System and method for mornitoring construction sites

Abstract

A construction site monitoring system according to one embodiment of the present invention may include at least one sensor among a UWB sensor and an IMU sensor, at least one anchor device installed according to installation information generated at the construction site and acquiring sensor data detected by the at least one sensor, a tag device attached to a worker performing work at the construction site and moving according to the worker's movement, a manager device, and a control server that generates installation information for the anchor device according to the type of the construction site, a building or structure installed at the construction site, or the type of work performed by the worker, and when it is determined that the at least one anchor device is installed according to the generated installation information, the control server that monitors the status information of the tag device based on sensor data received from the at least one anchor device.

Description

Technology Field

[0001] The present invention relates to a system for monitoring smart safety and construction management at a construction site based on IoT, and a method of operation in said system. Background Technology

[0002] When performing work (e.g., maintenance, hazardous area exploration, etc.) at a general work site (e.g., construction site, inside a warehouse), an anchor device equipped with sensor equipment may be installed to verify the safety of the worker and the results of the work, and communication may be performed between the anchor device and the device of the worker performing the work.

[0003] While GPS (Global Positioning System) communication can be performed to verify the location of equipment or workers at a work site, conducting such communication in underground or indoor spaces can result in signal blockages caused by building walls, ceilings, or structures, making it difficult to monitor those areas. Furthermore, even at outdoor work sites, GPS communication reveals limitations that make precise monitoring difficult due to its margin of error. The problem to be solved

[0004] Accordingly, the present invention aims to provide an IoT-based construction site monitoring system and method that utilizes UWB technology to monitor safety and construction management at various sites (e.g., construction sites) in areas where GPS signals do not reach, by significantly reducing the number of anchor devices required for system configuration through UWB sensors and measurement algorithms capable of measuring over 100m, and by recording work and screens at designated locations through a tag device that outputs an alarm in a hazardous area and an image sensor of said anchor device and transmitting them to a manager. means of solving the problem

[0005] A construction site monitoring system according to one embodiment of the present invention, proposed to solve the aforementioned problems, may include at least one sensor among a UWB sensor and an IMU sensor, at least one anchor device installed according to installation information generated at the construction site and acquiring sensor data detected by the at least one sensor, a tag device attached to a worker performing work at the construction site and moving according to the worker's movement, a manager device, and a control server that generates installation information for the anchor device according to the type of the construction site, a building or structure installed at the construction site, or the type of work performed by the worker, and when it is determined that the at least one anchor device is installed according to the generated installation information, monitors the status information of the tag device based on sensor data received from the at least one anchor device.

[0006] A method for monitoring a construction site by a control server of a construction site monitoring system according to one embodiment of the present invention may include: generating installation information on at least one anchor device on the construction site for acquiring sensor data related to the construction site based on the type of the construction site, a building or structure installed at the construction site, or the type of work performed by the worker; receiving sensor data based on communication between a tag device attached to a worker performing work at the construction site and moving according to the worker's movement and the at least one anchor device installed according to the installation information; and monitoring status information including the positioning of the tag device based on the received sensor data.

[0007] A construction site monitoring system according to another embodiment of the present invention may include a plurality of anchor devices installed according to installation information generated at the construction site and acquiring sensor data and images related to the construction site; a tag device attached to a worker performing work at the construction site and moving according to the worker's movement; a drone that moves around an area of ​​the construction site and acquires images of the construction site; a manager device; and a control server that controls the drone to take images while moving along a first path corresponding to characteristic information of the construction site among a plurality of predetermined paths, and when the captured images acquired while moving along the first path are received from the drone, performs rendering on the received images to acquire a rendered image, compares the rendered image with the characteristic information to update the characteristic information, changes the installation information according to the updated characteristic information to generate installation information, transmits the installation information to the manager device so that at least one anchor device is installed according to the installation information, and when it is determined that at least one anchor device is installed according to the installation information, monitors the status information of the tag device based on sensor data and images received from at least one anchor device. there is.

[0008] In one embodiment, the characteristic information of the construction site may include information about the type of the construction site, the building or structure installed at the construction site, or the type of work performed by the worker. Effects of the invention

[0009] The construction site monitoring system according to the present invention has the effect of enabling position positioning across the entire area of ​​the construction site regardless of vertical / horizontal directions by changing the installation of the anchor device according to the characteristics of the construction site, and allowing the anchor device to be installed in a location that avoids the shadow area even if signal shadowing occurs due to structures.

[0010] In addition, the anchor device of the construction site monitoring system according to the present invention utilizes a UWB sensor capable of measuring 120m, enabling positioning over a large area with fewer sensors and performing positioning in areas with complete GPS blind spots. The anchor device is manufactured as a battery-powered mobile anchor rather than a separate fixed anchor, which allows for low-cost and compact production while facilitating easy installation and relocation.

[0011] In addition, the construction site monitoring system according to the present invention allows a worker to check notifications regarding hazardous areas through a tag device, thereby enabling safe work performance. Furthermore, the tag device can be attached not only to the worker but also to materials, providing the effect of enabling identification of the location and movement paths of both the worker and the materials.

[0012] The effects of the present invention are not limited thereto, and various effects will be described in detail below with reference to each embodiment. Brief explanation of the drawing

[0013] FIG. 1 is a diagram illustrating the configuration of an IoT-based construction site monitoring system according to one embodiment of the present invention. FIG. 2 is a block diagram illustrating the configuration of an anchor device according to one embodiment of the present invention. FIG. 3 is a drawing illustrating an anchor device installed at a construction site according to a construction site monitoring system according to one embodiment of the present invention. FIG. 4 is a drawing illustrating an example in which the installation positions of a plurality of anchor devices on a construction site monitoring system are changed according to the difference in the shape / position of structures installed at a construction site according to one embodiment of the present invention. FIG. 5 is a diagram showing the coordinates of a plurality of anchor devices and tag devices that are reinstalled according to a construction site monitoring system according to one embodiment of the present invention. FIG. 6 is a diagram illustrating a pre-set hazardous area of ​​a construction site in a construction site monitoring system according to one embodiment of the present invention. FIGS. 7 and 8 are drawings illustrating the configuration of an application screen displayed on a manager device in a construction site monitoring system according to an embodiment of the present invention. FIG. 9 is a drawing illustrating a plurality of anchor devices installed on the side of a building at a construction site according to a construction site monitoring system according to one embodiment of the present invention. FIG. 10 is a drawing illustrating a bundle of anchor devices installed at a construction site according to a construction site monitoring system according to one embodiment of the present invention. FIG. 11 is a drawing illustrating a new anchor device installed to create a sensing area with an existing anchor device at a construction site according to a construction site monitoring system according to an embodiment of the present invention. FIG. 12 is a flowchart illustrating the construction site monitoring operation of a control server in a construction site monitoring system according to one embodiment of the present invention. Specific details for implementing the invention

[0014] The technology described below is subject to various modifications and may have various embodiments, and specific embodiments are illustrated in the drawings and described in detail. However, it should be understood that the technology described below includes all modifications, equivalents, and substitutions that fall within the spirit and scope of the technology.

[0015] Terms such as first, second, A, B, etc., may be used to describe various components, but such components are not limited by said terms and are used solely for the purpose of distinguishing one component from another. For example, without departing from the scope of rights of the technology described below, the first component may be named the second component, and similarly, the second component may be named the first component. The term "and / or" includes a combination of multiple related described items or any one of the multiple related described items. For example, "A and / or B" may be interpreted to mean "at least one of A or B." Additionally, " / " may be interpreted as "and" or "or."

[0016] In terms used in this specification, singular expressions should be understood to include plural expressions unless the context clearly indicates otherwise, and terms such as “comprising” should be understood to mean that the implemented features, number, step, operation, component, part, or combination thereof exist, and not to exclude the existence or addition of one or more other features, numbers, steps, operations, components, parts, or combinations thereof.

[0017] Before providing a detailed description of the drawings, it is to clarify that the classification of components in this specification is merely based on the primary function each component is responsible for. That is, two or more components described below may be combined into a single component, or a single component may be divided into two or more components based on more subdivided functions. Furthermore, each component described below may additionally perform some or all of the functions of other components in addition to its own primary function, and it goes without saying that some of the primary functions of each component may be exclusively performed by other components.

[0018] Furthermore, in performing the method or operation, each process constituting the method may occur differently from the specified order unless a specific order is clearly indicated in the context. That is, each process may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

[0019] FIG. 1 is a diagram illustrating the configuration of an IoT-based construction site monitoring system according to one embodiment of the present invention.

[0020] Referring to FIG. 1, a construction site monitoring system may include an anchor device (100), a tag device (200), a control server (300), and a manager device (400). The anchor device (100) and the tag device (200) may be placed at a construction site (10).

[0021] According to one embodiment of the present invention, the construction site (10) may include a place where a building, such as a building, facility, structure, or structure is scheduled to be constructed or has been completed. According to an embodiment of the present invention, the construction site (10) may be defined or classified as spatial information related to geographical location, area, elevation, and topography as a target for design and construction.

[0022] In one embodiment, the anchor device (100), tag device (200), control server (300), and manager device (400) may be computing devices capable of communicating data and / or network communication with each other or between at least one device and another device.

[0023] According to one embodiment of the present invention, the anchor device (100) can be installed / placed at various locations on a construction site as at least one device. For example, the anchor device (100) can be mounted on a structure in which height, position, direction, or sensing angle is adjusted, and can be installed so that the installation location is adjusted according to the control of the control server (300) or fixed at a location designated by a worker or manager.

[0024] For example, when fixed at a position designated by a worker, the control server (300) generates setting values ​​for the optimal position, direction, and sensing angle, and can provide the generated setting values ​​to the worker or manager through the manager device (400) as setting information for the anchor device (100) for the construction site (10).

[0025] According to an embodiment of the present invention, the anchor device (100) may include a UWB sensor and / or an IMU sensor, and in particular, since the UWB sensor according to an embodiment of the present invention can measure heights of 100m or more, it can sense at least one side of a high-rise building at a construction site (10).

[0026] According to one embodiment of the present invention, a tag device (200) is a device for a worker, which detects sensor data using various sensors and can transmit safety or construction management data related to a specific construction site (10) to a control server (300) and / or a manager device (400) using the detected sensor data. For example, the tag device (200) may be a wearable device that is attached to the worker's body (e.g., head, wrist, neck) in the form of clothing (e.g., helmet, vest, watch, glasses, necklace) in a form convenient for the worker to check the data received by the tag device (200).

[0027] According to one embodiment of the present invention, the sensor of the tag device (200) may include at least one sensor among a position sensor, a motion sensor, an acceleration sensor, a gesture sensor, a proximity sensor, a gyroscope, and a compass for determining the position or movement of a worker.

[0028] In addition, according to another embodiment of the present invention, the tag device (200) may be attached to a worker as well as to materials loaded in a warehouse, and may be used to track the location or movement (or path) of the materials.

[0029] According to one embodiment of the present invention, a tag device (200) may include a UWB sensor and / or an IMU sensor, detect sensor data from the UWB sensor and / or IMU sensor, and transmit it to a control server (300) and / or a manager device (400).

[0030] In another embodiment, the tag device (200) may transmit second sensor data by at least one of the above-described sensors, in addition to first sensor data detected through a UWB sensor and / or an IMU sensor, to a control server (300) and / or a manager device (400), either individually or in combination.

[0031] According to an embodiment of the present invention, communication between the anchor device (100) and the tag device (100) can be utilized for positioning of a worker or a work location.

[0032] For example, when a tag device (200) transmits sensor data generated by identifying at least one anchor device (100) to a control server (300) and / or a manager device (400), the control server (300) and / or the manager device (400) can determine the location of the tag device (200). At this time, the control server (300) and / or the manager device (400) can determine the location of the tag device (200) based on at least one of the following: location information where the anchor device (100) is installed, information about the construction site (10), and design / construction information such as the height and width of the building.

[0033] As another example, based on at least one sensor data generated through identification of the tag device (200) by the anchor device (100) and identification of the tag device (200) by another anchor device, the control server (300) and / or the manager device (400) may determine the location of the tag device (200).

[0034] In one embodiment, the tag device (200) may include a device (e.g., speaker, microphone, or vibration device) for receiving a command or notification from a control server (300) and / or a manager device (400) and for inputting or outputting the received command or notification as various forms of data (e.g., voice, vibration).

[0035] For example, when the tag device (200) receives a command from a manager from a control server (300) and / or a manager device (400), it can convert the received command into voice data and output it through a speaker so that a worker can confirm the command.

[0036] As another example, the tag device (200) may directly receive and output a manager's command as voice from the manager device (400) so that the operator can confirm the command.

[0037] In one embodiment, the received command may be related to construction work, such as instructing the manager to move to a specific area, request work at a specific location, or request rework.

[0038] In one embodiment, the received notification may be a notification indicating that the tag device (200) is located in a pre-designated hazardous area or a specific area of ​​the construction site (10). The hazardous area may be a communication dead zone where similar structures are repeated, such as an underground parking lot, making it difficult for a worker to identify a specific area, or where the communication signal with the manager device (400) is measured to be less than a designated value. Additionally, the specific area may include an area where, when working on a high-rise building at a large construction site (10), each floor is made up of the same structure, making it difficult for a worker to identify a specific area.

[0039] According to one embodiment of the present invention, a control server (300) can generate installation information for installing an anchor device (100) at a construction site (10) based on spatial information of the construction site (10). The installation information may be referred to as placement information or design information of the anchor device (100).

[0040] Specifically, the control server (300) can generate map information matched to the construction site (10) based on design / construction information for the building of the construction site (10), current status information such as materials, structures, and natural environment of the construction site (10) input from the manager through the manager device (400), and information on the type and number of anchor devices (100) and the type and number of tag devices (200) set in the manager device (400).

[0041] For example, the control server (300) can map the space of the entire construction site (10) and create a virtual 3D building on the map information, while reflecting the height and area information of the building. In addition, the control server (300) can reflect information on geographical features such as materials, structures, trees, and nearby roads of the construction site (10) on the map information as current status information.

[0042] According to an embodiment of the present invention, the control server (300) can identify a senseable range value based on the type of the anchor device (100) and the tag device (200), and determine a final range value by correcting the identified senseable range value based on the status information. That is, the above-described topographical feature information, such as materials, structures, trees, and nearby roads, is a factor that causes an error during sensor measurement or limits the senseable range of the sensor data, and the control server (300) can reflect a pre-set sense limiting weight for each topographical feature information in determining the final range value.

[0043] According to an embodiment of the present invention, the control server (300) can determine the number of installations of the anchor device (100) and / or tag device (200) and the installation area based on the final determined sensing range value, the number of the anchor device (100) and tag device (200), and design / construction information such as the height and width of the building.

[0044] For example, the control server (300) can determine to install one anchor device (100) when it is possible to sense the tag device (200) on the building with one anchor device (100) and the positioning of the tag device (200) is easy, and can determine at least one candidate installation area for the anchor device (100) based on the design / construction information of the building.

[0045] To this end, in one embodiment, the map information can divide the construction site (10) into a grid of pre-set units, and the installation candidate area of ​​the anchor device (100) can be determined as at least one of the divided grids.

[0046] The control server (300) can generate optimal installation information based on a pre-set construction schedule and process information among at least one candidate installation area of ​​the anchor device (100). That is, the control server (300) can identify at least one of the location, height, direction, and type of process required of the worker who attaches the tag device (200) on the building where the tag device (200) is located, based on the pre-set construction schedule and process information on the design / construction information of the building described above, and can generate optimal installation information for the anchor device (100) based on this. Here, the installation information may include the type, number, location, and installation period of the anchor device (100).

[0047] Subsequently, the control server (300) may change the pre-set installation information based further on the data received from the tag device (200). The installation information may include the position / height for each of the plurality of anchor devices (100) installed at the construction site (10), and the setting values ​​for the angle or direction for sensing the tag device (200).

[0048] According to one embodiment of the present invention, the control server (300) communicates with the devices of the construction site monitoring system and can control the overall operation within the construction site monitoring system. For example, the control server (300) can determine the installation information of the anchor device (100) and provide a guide to the manager device (400) so that the anchor device (100) is installed based on the installation information.

[0049] For example, the control server (300) determines the location information of the tag device (200) or the status information of the construction site (10) based on sensor data received from the anchor device (100) installed according to the installation information, and transmits the determined location information and status information to the manager device (400) so that a worker can check the location of the tag device (200) or the status information of the construction site (10) in real time. As another example, the control server (300) may receive sensor data generated by sensing the anchor device (100) installed according to the installation information from the tag device (200), and position the tag device (200) based on this.

[0050] The control server (300) determines the location information of the tag device (200) or the status information of the construction site (10), and transmits the determined location information and status information to the manager device (400) so that the worker can check the location of the tag device (200) or the status information of the construction site (10) in real time.

[0051] According to one embodiment of the present invention, a manager device (400) may include a processor, a communication module for receiving data from a control server (300), and a display for displaying the received data. Additionally, an application for communicating with the control server (300) is installed in the manager device (400), and the application may be used to control the display of data received from the control server (300).

[0052] A control server (300) and / or an administrator device (400) according to an embodiment of the present invention may generate a first circle with a diameter or radius of the distance between an anchor device (100) and a tag device (200), and a second circle with a diameter or radius of the distance between another anchor device and a tag device (200). Additionally, by obtaining the intersection point of the first circle and the second circle as coordinates, the location and movement of the tag device (200) can be identified.

[0053] According to one embodiment of the present invention, the construction site monitoring system may further include at least one drone (not shown). For example, the drone may move over an area of ​​the construction site (10) and acquire images of the construction site (10).

[0054] According to one embodiment of the present invention, a control server (300) can store information on a plurality of predetermined paths for the drone. Subsequently, the control server (300) can control the drone to move to a first path among the plurality of paths that corresponds to characteristic information of the construction site (10).

[0055] According to one embodiment of the present invention, the drone may include a LIDAR (light detection and ranging) or a camera and may take images while moving under the control of the control server (300). Subsequently, when the control server (300) receives the captured images obtained while moving along the first path from the drone, it may perform rendering on the received images to obtain a three-dimensional rendered image.

[0056] According to one embodiment of the present invention, the control server (300) can update the characteristic information by comparing the rendering image with the characteristic information. The control server (300) can store the updated characteristic information and subsequently change the installation information according to the updated characteristic information. The characteristic information of the construction site (10) may include information regarding the type of the construction site (e.g., commercial building, apartment complex / interior (room, kitchen, living room), warehouse), area direction (e.g., front, back, left and right sides), buildings installed at the construction site (e.g., apartment), structures (e.g., building protrusions, green spaces of the apartment complex, forests, degree of land slope), or the type of work performed by the worker (e.g., horizontal movement, side painting).

[0057] FIG. 2 is a block diagram illustrating the configuration of an anchor device according to one embodiment of the present invention.

[0058] Referring to FIG. 2, the anchor device (100) may include a processor (110), an input / output module (120), a communication module (130), and a sensor module (140).

[0059] According to one embodiment of the present invention, the processor (110) can control the configuration of the overall anchor device (100) to perform a series of operations for collecting data at a construction site and transmitting it to a control server (300).

[0060] According to one embodiment of the present invention, the input / output module (120) may include devices (e.g., speaker, microphone, vibration device) for inputting and outputting various types of data (e.g., voice data, vibration data).

[0061] According to one embodiment of the present invention, a communication module (130) communicates with a control server (300) that controls a construction site monitoring system through various wireless communications (e.g., short-range communication, cellular network) and can transmit various data within the construction site monitoring system to the control server (300). Subsequently, the control server (300) determines information regarding safety or construction management at the construction site based on the received data and can transmit the determined information to a tag device (200) or a manager device (400).

[0062] According to one embodiment of the present invention, the sensor module (140) may include at least one sensor for detecting user movement (e.g., touch sensor, motion sensor, (a) acceleration sensor, gesture sensor, proximity sensor), a sensor for acquiring image data (e.g., image sensor, infrared / ultraviolet sensor), or a sensor for acquiring position / altitude information (e.g., UWB (ultra wideband) sensor, IMB (inertial measurement unit), depth sensor, gyroscope, compass (magnetic field) sensor).

[0063] According to one embodiment of the present invention, the sensor module (140) can acquire image data at the location where the sensor module (140) is installed, or detect sensor data related to user movement at the time when the image data is acquired. Subsequently, the anchor device (100) can transmit the acquired image data to the control server (300) in real time, or store the data for a certain period and transmit it to the control server (300) at regular intervals.

[0064] According to one embodiment of the present invention, when an anchor device (100) is first operated at a specific location, the anchor device (100) can detect location / altitude information and transmit it to a control server (300). Subsequently, the control server (300) can determine whether the anchor device (100) is installed according to pre-set installation information based on the location / altitude information.

[0065] The functions and operations of the anchor device (100) and each component, as referenced in FIG. 2 above, can also be applied to the tag device (200).

[0066] FIG. 3 is a drawing illustrating an anchor device installed at a construction site according to a construction site monitoring system according to one embodiment of the present invention.

[0067] In FIG. 3, an example is illustrated in which an anchor device of a construction site monitoring system is installed when a building (31) is being constructed at a construction site (30).

[0068] In particular, in the left side of FIG. 3, an example is illustrated in which an anchor device (100) is installed within the construction site (30) to sense an object on a building (31) of height 100m at the construction site (30), but is installed within a predetermined distance from the building (31).

[0069] Referring to the right side of Fig. 3, in the construction site monitoring system, depending on the type of work on the building (31), anchor devices (101-104) may be installed horizontally relative to each other at each corner of the construction site (30).

[0070] According to one embodiment of the present invention, the control server (300) can set the anchor devices to be arranged horizontally or vertically depending on the type of method for monitoring the construction site. For example, for a rectangular construction site such as the interior of a building or a multi-unit dwelling (e.g., an apartment), the control server (300) can set the height of the multiple anchor devices to be the same value so that the multiple anchor devices are arranged horizontally. That is, the control server (300) can determine the installation location of the anchor device (100) and the anchor device (101, 102, 103, 104) based on design / construction information for such a construction site (30) and / or building (31), and can generate installation information based thereon.

[0071] FIG. 4 is a drawing illustrating an example in which the installation positions of a plurality of anchor devices on a construction site monitoring system are changed according to the difference in the shape / position of structures installed at a construction site according to one embodiment of the present invention.

[0072] Referring to FIG. 4, two anchor devices (101, 102) may be installed at a construction site (10) according to the layout information of a building (41) or a structure (42).

[0073] To this end, the control server (300) can generate installation information including the number, type, and location of anchor devices required for the monitoring system based on spatial information of the construction site (10) and design / construction information of the building (41) and / or structure (42).

[0074] The construction site (10) of Fig. 4 is exemplified as having an anchor device (101) and an anchor device (102) installed according to the installation information.

[0075] In one embodiment, the anchor device (101, 102) can generate sensor data by identifying the tag device (200) and transmit the detected sensor data to the control server (300).

[0076] In another embodiment, the tag device (200) may generate sensor data by identifying the anchor device (101, 102) and transmit the detected sensor data to the control server (300).

[0077] According to another embodiment of the present invention, if the control server (300) cannot detect the location of the tag device (200) through sensor data received from the anchor device (101, 102) or if the tag device (200) is obscured by a building (41) or structure (43) at the construction site (40), the control server (300) can update the installation location of the previously installed anchor device (101, 102).

[0078] That is, the control server (40) can generate installation information including the number, type, and location of anchor devices required for the monitoring system based on spatial information of the construction site (40) and design / construction information of the building (41) and / or structure (43).

[0079] At this time, the control server (40) stores first installation information for anchor devices (101, 102) that were used during the construction of a building (41) at the construction site (10), and for the construction of the building (41) at the construction site (40), it may generate second installation information in which the first installation information is updated based on the first installation information.

[0080] According to one embodiment of the present invention, a control server (300) can determine a sensing area, which is the maximum area capable of detecting sensor data for each of the anchor devices (101, 102), in order to update the installation location of the anchor devices (101, 102), and can determine the location coordinates of a first sensing area where the multiple sensing areas of the multiple anchor devices (101, 102) overlap. Subsequently, the control server (300) can arbitrarily set the position, height, direction, or angle of each of the anchor devices (101, 102) to set the installation location of the anchor devices (101, 102) that matches the first sensing area, so that the tag device (200) is detected in the first sensing area. To update the above installation location, the control server (300) can identify the area, height, and angle information from the anchor device (101, 102) of the structure (41) of the construction site (40), and can generate the above installation location based on this.

[0081] Specifically, the control server (300) may determine that a communication blind spot is formed by a structure (43) at the construction site (40), and that the tag device (200) is not identified by the sensors of the anchor devices (101, 102). In this case, the control server (300) may reset the position or height of the anchor devices (101, 102) so that the tag device (200) is located in the updated first sensing area.

[0082] According to one embodiment of the present invention, a control server (300) can check reinstallation information of an anchor device (101, 102) including the reset position or height. At this time, the control server (300) may directly control the anchor device (101, 102) so that the anchor device (101, 102) is moved according to the reinstallation information, or transmit the reinstallation information to an administrator device (400) so that the anchor device (101, 102) is manually controlled by the administrator. Subsequently, the control server (300) may receive position or height information adjusted according to the reinstallation information from the anchor device (101, 102) and determine whether the anchor device (101, 102) has been installed according to the reinstallation information. Alternatively, the control server (300) may determine whether the anchor device (101, 102) has been installed according to the reinstallation information based on the identification status of the tag device (200).

[0083] In the above, an embodiment for updating the installation information of the anchor device (101, 102) based on the area where the anchor device (101, 102) senses the tag device (200) has been described, but the embodiment of the present invention is not limited thereto, and the control server (300) may update the installation information of the anchor device (101, 102) by determining whether at least one of the anchor device (101) and the anchor device (102) is identified in the tag device (200) based on the installation information of the anchor device (101) and the anchor device (102).

[0084] In FIG. 4, according to the updated installation information of the right side compared to the left side, the installation information of the anchor device (101) has moved closer to the building (41), and the installation information of the anchor device (102) has moved to a position a certain distance away from the structure (43) as the position of the structure (42) has changed to be like the structure (43).

[0085] FIG. 5 is a diagram illustrating the coordinates of a plurality of anchor devices and tag devices that are reset according to a construction site monitoring system according to an embodiment of the present invention.

[0086] Referring to FIG. 5, in a construction site monitoring system, the control server (300) can generate reinstallation information to reset the positions of a plurality of anchor devices (101, 102) according to the location of a building (41) or structure (42) of the construction site (50), and provide guide information to the manager device (400) so that the positions and heights of the plurality of anchor devices (101, 102) are set according to the reinstallation information.

[0087] The anchor device (101, 102) installed according to the above reinstallation information can form a first sensing area (51) for identifying the tag device (200).

[0088] According to one embodiment of the present invention, a control server (300) may generate installation information for a plurality of anchor devices (101, 102) to form a first sensing area (51) in which the sensing areas of a plurality of anchor devices (101, 102) overlap with one another, and a structure (42) is not located in the overlapping area. For example, the control server (300) may check the x, y coordinates (e.g., (x', y')) of the anchor devices (101, 102) on a plane in which the first sensing area (51) is formed as the installation information, and set the installation information for the anchor devices (101, 102) so that the first sensing area (51) including the coordinates is formed.

[0089] According to one embodiment of the present invention, although it has been described that the position of the anchor device (101, 102) is changed according to the design / structural information of the building (41) or structure (42) of the construction site (50), it is obvious that information for setting the height, direction, or angle of the anchor device (101, 102) according to various types of structures or the position of the structures may be included in the installation information.

[0090] FIG. 6 is a diagram illustrating a pre-set hazardous area of ​​a construction site in a construction site monitoring system according to one embodiment of the present invention.

[0091] Referring to FIG. 6, the control server (300) of the construction site monitoring system can pre-set a certain area of ​​a specific construction site (60) as a danger area (61). For example, the control server (300) can check the sensing area of ​​each anchor device (101, 102) installed at the construction site (60) and set a specific area among the sensing areas where the signal value of the sensor data is less than a specified value as a danger area (61).

[0092] According to one embodiment of the present invention, a control server (300) can verify coordinate information ((a1, b1), (a2, b2), (a3, b3), (a4, b4)) constituting the danger area (61) and transmit the coordinate information to a tag device (200) or a manager device (400). Subsequently, the control server (300) receives location information of the tag device (200) in real time, and if it determines that the location information of the tag device (200) corresponds to or is located adjacent to the coordinate information of the danger area (61), it can transmit danger area notification information to the tag device (200) or the manager device (400) indicating that the tag device (200) is located inside or adjacent to the danger area (61).

[0093] According to one embodiment of the present invention, when the tag device (200) receives the danger area notification information, it may output data (e.g., sound or vibration) through an input / output device (e.g., speaker, vibration device) to enable the user of the tag device (200) to recognize that the user is located inside or adjacent to the danger area (61).

[0094] According to one embodiment of the present invention, the manager device (400) displays the location of the real-time tag device (200) on the map image along with the map image of the construction site (60) through an application installed inside, and if the tag device (200) is located inside or adjacent to the danger area (61), the danger area notification information can be displayed on the map image.

[0095] FIG. 7 is a diagram illustrating the configuration of an application screen displayed on a manager device in a construction site monitoring system according to one embodiment of the present invention.

[0096] Referring to FIG. 7, when a pre-installed application is executed in the manager device (400), a construction site monitoring screen (700) can be displayed through the application. On the construction site monitoring screen (700), monitoring data collected for a specific construction site can be displayed.

[0097] According to one embodiment of the present invention, a construction site monitoring screen (700) may include an area (710) for controlling the location or height of an anchor device (100) or a tag device (200) by inputting a location, an area (720) for displaying the real-time location of the tag device (200), an area (730) for storing a location file or displaying a list of stored location files, an area (740) for receiving image data of a designated anchor device among the anchor devices (100) in real time and live streaming and displaying the image data, an area (750) for displaying sensor data detected in real time from the anchor device (100), an area (760) for controlling the operation of starting or stopping camera recording through the image sensor of the anchor device (100), and an identifier (770) on a map image where the location of the real-time tag device (200) is displayed.

[0098] According to one embodiment of the present invention, when an administrator inputs a value for an anchor device (100) or a tag device (200) in an area (710), the control server (300) may send a notification commanding the installation information of the anchor device (100) to be changed according to the value input by the administrator or to move to the tag device (200) according to the value.

[0099] FIG. 8 is a diagram illustrating the configuration of an application screen displayed on a manager device in a construction site monitoring system according to one embodiment of the present invention.

[0100] Referring to FIG. 8, when a map image (800) of a specific construction site (80) is displayed through a pre-installed application in the manager device (400), an image including location information can be tagged and displayed on the map image (800).

[0101] According to one embodiment of the present invention, when a construction site (80) is a place where the same structure is repeated, such as an underground parking lot, the control server (300) can control the anchor device (100) so that an image captured from the structure or a sensed object is displayed on a map image so that a worker or manager can accurately determine the location of a specific structure.

[0102] According to one embodiment of the present invention, a control server (300) receives an image or sensed object containing location information captured from a plurality of anchor devices installed at the construction site (80), and can control the manager device (400) so that the image is tagged and displayed at a location on the map image corresponding to the location information. For example, when a specific location is selected by a manager, an image / object tagged at that location may be displayed.

[0103] FIG. 9 is a drawing illustrating a plurality of anchor devices installed on the side of a building at a construction site according to a construction site monitoring system according to one embodiment of the present invention.

[0104] According to one embodiment of the present invention, when a worker performs work (e.g., painting, repair) on the side of a building (92), such as at a construction site (90), the worker's tag device (200) can be moved on the side. Additionally, FIG. 9 shows that a construction site (90) and a construction site (91) with a different topographical elevation are connected adjacently, so that the sensing range of the anchor device can be affected by spatial information and topographical information.

[0105] In one embodiment, the control server (300) can generate installation information including the type, number, and location of anchor devices based on spatial information of the construction site, topographical information, and information about the worker's process (side work). In particular, according to an embodiment of the present invention, the control server (300) can reflect the construction site (91) as topographical information based on the construction site (90). For example, the construction site may include terrain with elevation differences rather than flat land, and when multiple buildings are constructed on the terrain, identifying which of the multiple buildings a worker is working on and in which area of ​​the building being worked on is a very important issue for safety management and monitoring of detailed processes. A control server (300) according to an embodiment of the present invention recognizes the construction site (91) as a topographic feature based on the construction site (90), reflects it as a factor for determining the sensing range of the anchor device (100) and / or tag device (200), and determines the final sensing range, thereby determining installation information of one or more anchor devices.

[0106] Referring to FIG. 9, the control server (300) can generate installation information to monitor the tag device (200) moving on the side of the building (23) so that the anchor device (101-103) is installed at the bottom and top points of the building (92) and at the bottom point of the adjacent building (93) adjacent to the building (92). Afterward, the control server (300) can transmit the generated installation information to the anchor device (101-103) to control the anchor device (101-103) to move its position according to the installation information, or transmit it to the manager device (400) so that the manager can directly change the position of the anchor device (101-103) according to the installation information.

[0107] FIG. 10 is a drawing illustrating a bundle of anchor devices installed at a construction site according to a construction site monitoring system according to one embodiment of the present invention.

[0108] According to one embodiment of the present invention, at a construction site (10), a worker's tag device (200) moves, and as a bundle anchor device (105) receives a signal from the tag device (200), a control server (300) and / or a manager device (400) can monitor the status of the tag device (200).

[0109] Specifically, as the anchor device (105) identifies the tag device (200), it transmits information about it to the control server (300), and the control server (300) calculates / extracts the coordinates of the tag device (200), and the result can be monitored by the manager device (400).

[0110] Referring to FIG. 10, as the worker moves along the outer wall of the building (41), the tag device (200) attached to the worker can move. As the worker approaches the structure (42), the anchor device (101) can sense the tag device (200), but a shadow area caused by the structure (42) at the location of the anchor device (105) may occur, causing a problem with the communication status between the tag device (200) and the anchor device (105).

[0111] In one embodiment, the bundle anchor device may be a device comprising at least two anchor devices, and the control server (300) checks the communication status between the bundle anchor device (105) and the tag device (200), and if the confirmed communication status does not satisfy a specified condition, it may activate or deactivate at least one of the anchor devices of the bundle anchor device (105), or generate installation information with an updated angle or direction.

[0112] Referring to FIG. 10, if the control server (300) determines that the communication status between the anchor device (100) and the tag device (200) does not satisfy a specified condition, it can generate installation information to set the type of anchor device (105) that satisfies the communication status of the condition to a bundle anchor device. Subsequently, the control server (300) can transmit the generated installation information to the manager device (400) to guide the manager to install the bundle anchor device (105) according to the installation information.

[0113] According to another embodiment of the present invention, the communication status may change in real time due to environmental factors such as current illumination, weather, and structure (22), and the control server (300) may generate installation information to install the anchor device as a bundle of anchor devices (105) based on a pre-set process at the construction site (10).

[0114] For example, the bundle anchor device (105) may be an anchor device equipped with multiple sensors such that a number of UWB sensors are included. The bundle anchor device (105) has the advantage of enabling precise sensing even when the sensing range is limited due to factors in terrain information and when the tag device (200) is moved.

[0115] According to one embodiment of the present invention, the bundle anchor device (105) may be composed of a plurality of anchor devices and a support that allows the position / height of the plurality of anchor devices to be controlled at once. For example, the angle / direction of activation or deactivation, or sensing for each of the plurality of anchor devices, may be controlled according to the installation information.

[0116] FIG. 11 is a drawing illustrating a new anchor device installed to create a sensing area with an existing anchor device at a construction site according to a construction site monitoring system according to an embodiment of the present invention.

[0117] Referring to FIG. 11, if the control server (300) determines that it is difficult to determine the position for a specific direction (e.g., y-axis) because a plurality of anchor devices (101, 102) installed at a construction site (11) are adjacent to each other and positioned horizontally, it can generate installation information to additionally install new anchor devices (106, 107).

[0118] For example, if the distance between the anchor device (101) and the anchor device (102) is set as the width, and the movement of the worker's tag device is scheduled only in the vertical direction on the building (111), precise sensing of the worker's y-axis height information is required. In addition, if the distance between the anchor device (101) and the anchor device (102) is maintained as the working range and the worker performs work along the left-right reciprocating and descending paths, coordinate tracking according to the left-right movement and descending is required.

[0119] According to one embodiment of the present invention, a control server (300) can generate installation information for a new anchor device (106) by fixing the x-axis value and changing only the y-axis value in the installation information of a previously installed anchor device (101, 102). Subsequently, the control server (300) can transmit the installation information with only the y-axis value changed to a manager device (400) so that the manager can install the new anchor device (106) according to the generated installation information.

[0120] In another embodiment, the control server (300) may generate installation information for an anchor device (107) to track the next left-right reciprocating and descending path when the work along the left-right reciprocating and descending path that the anchor device (106) can sense is completed between the anchor device (101) and the anchor device (102), and the work for another area of ​​the building (111) is scheduled in advance.

[0121] FIG. 12 is a flowchart illustrating the construction site monitoring operation of a control server in a construction site monitoring system according to one embodiment of the present invention.

[0122] Referring to FIG. 12, in operation S110, the control server (300) can check the anchor device (100) installed according to the previously generated installation information at the construction site (10). The installation information may include setting values ​​for the position, height, angle, or direction of each of the plurality of anchor devices.

[0123] In operation S120, the control server (300) may change the installation information according to the type of construction site or work. For example, if the type of construction site is a multi-unit dwelling and the tag device is working on a specific floor, the control server (300) may generate the second installation information so that the plurality of anchor devices (100) are installed at each corner of the construction site at the same height. The second installation information may be updated installation information for the installation information of operation S110.

[0124] According to one embodiment of the present invention, when the tag device (200) is moved between the building and the structure, the control server (300) determines characteristic information of the structure, including the size or location of the structure at the construction site, and can generate the second installation information based on the characteristic information of the structure.

[0125] According to one embodiment of the present invention, a control server (300) can determine a plurality of sensing areas for the plurality of anchor devices (100), which is a distance at which maximum sensor data can be received from the plurality of anchor devices (100), and can generate the second installation information so that the tag device (200) is sensed within a first sensing area where all of the plurality of sensing areas overlap. For example, when the tag device (200) is working on the side of the building, the control server (300) can generate the second installation information so that the plurality of anchor devices (100) are positioned at the top and bottom of the building or at the top and bottom of a building adjacent to the building so that the plurality of anchor devices (100) sense the side of the building.

[0126] According to one embodiment of the present invention, among the plurality of anchor devices (100), a specific anchor device (100) may be a bundle anchor device (105) comprising at least two anchor devices. At this time, the control server (300) checks the communication status between the bundle anchor device (105) and the tag device (200), and if the confirmed communication status does not satisfy a specified condition, it may activate or deactivate at least one of the bundle anchor devices (105), or generate third installation information to control the angle or direction.

[0127] According to one embodiment of the present invention, if the control server (300) determines that at least two anchor devices (101, 102) among the plurality of anchor devices (100) are positioned parallel to each other at a distance less than specified, it can fix the value of the parallel axis of the at least two anchor devices (101, 102) in the first installation information and change the value of the other axis to generate the fourth installation information.

[0128] In operation S130, the control server (300) can control the anchor device (100) so that the installation of the anchor device (100) is changed according to the changed installation information.

[0129] According to one embodiment of the present invention, when the control server (300) changes the installation information or creates new installation information, it can transmit the changed or created installation information to the manager device (400) to guide the user of the manager device (400) to change the installation of the plurality of anchor devices (100) according to the changed or created installation information.

[0130] According to another embodiment of the present invention, in order for the control server (300) to control the change of installation of the plurality of anchor devices (100), the anchor device (100) may have a motor added, such as a gimbal, so that the installation may be changed by being controlled remotely at a desired angle.

[0131] Afterwards, when the control server (300) receives a notification from the manager device (400) indicating that the installation of the plurality of anchor devices (100) is completed, it can determine whether the installation of the plurality of anchor devices (100) has been changed according to the changed or generated installation information.

[0132] In operation S140, the control server (300) can monitor the status information of the tag device (300) based on data received from the anchor device (100).

[0133] According to one embodiment of the present invention, if the control server (300) determines that the tag device (200) is not detected by the sensing area according to the changed / generated installation information, it may repeatedly perform the aforementioned operations S110 to S140 to change the installation information again or generate new installation information. Subsequently, the control server (300) may control the installation of the anchor device (100) according to the changed or generated installation information, and the collection of sensor data related to the tag device (200) from the anchor device (100) to perform a monitoring operation.

[0134] Embodiments according to the present invention may be implemented by various means, for example, hardware, firmware, software, or a combination thereof. In the case of implementation by hardware, one embodiment of the present invention may be implemented by one or more ASICs (application specific integrated circuits), DSPs (digital signal processors), DSPDs (digital signal processing devices), PLDs (programmable logic devices), FPGAs (field programmable gate arrays), processors, controllers, microcontrollers, microprocessors, etc.

[0135] In addition, in the case of implementation by firmware or software, an embodiment of the present invention may be implemented in the form of a module, procedure, function, etc., that performs the functions or operations described above, and may be recorded on a recording medium readable through various computer means. Here, the recording medium may include program instructions, data files, data structures, etc., either alone or in combination. The program instructions recorded on the recording medium may be those specifically designed and configured for the present invention, or they may be those known and available to those skilled in the art of computer software. For example, the recording medium includes magnetic media such as hard disks, floppy disks, and magnetic tapes; optical recording media such as CD-ROMs (Compact Disk Read Only Memory) and DVDs (Digital Video Disks); magneto-optical media such as floptical disks; and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, and flash memory. Examples of program instructions may include machine code, such as that generated by a compiler, as well as high-level language code that can be executed by a computer using an interpreter, etc. Such hardware devices may be configured to operate as one or more software modules to perform the operation of the present invention, and vice versa.

[0136] In addition, the device or terminal according to the present invention may be driven by instructions that cause one or more processors to perform the functions and processes described above. For example, such instructions may include interpreted instructions, such as script instructions like JavaScript or ECMAScript instructions, executable code, or other instructions stored on a computer-readable medium. Furthermore, the device according to the present invention may be implemented in a distributed manner across a network, such as a server farm, or may be implemented on a single computer device.

[0137] Additionally, a computer program (also known as a program, software, software application, script, or code) mounted on a device according to the present invention and executing a method according to the present invention may be written in any form of a programming language, including a compiled or interpreted language or an a priori or procedural language, and may be deployed in any form including a standalone program or a module, component, subroutine, or other unit suitable for use in a computer environment. A computer program does not necessarily correspond to a file in a file system. A program may be stored in a single file provided to a requested program, or in multiple interacting files (e.g., a file storing one or more modules, subprograms, or parts of code), or in a part of a file containing other programs or data (e.g., one or more scripts stored within a markup language document). A computer program may be deployed to be executed on multiple computers or a single computer located at one site or distributed across multiple sites and interconnected by a communication network.

[0138] Although the drawings have been described separately for the sake of convenience of explanation, it is also possible to design a new embodiment by combining the embodiments described in each drawing. Furthermore, the configuration and method of the embodiments described above are not limited to the application of the present invention; rather, all or part of the embodiments may be selectively combined to allow for various modifications of the described embodiments.

[0139] Furthermore, although preferred embodiments have been illustrated and described above, this specification is not limited to the specific embodiments described above. Various modifications are possible by those skilled in the art without departing from the essence claimed in the claims, and such modifications should not be understood individually from the technical spirit or perspective of this specification. Explanation of the symbols

[0140] 100-107: Anchor device 110: Processor 120: I / O module 130: Communication module 140: Sensor module 200: Tag device 300: Control Server 400: Manager device 10, 11, 30, 40, 50, 60, 80, 90, 91: Construction site

Claims

Claim 1 A construction site monitoring system comprising: at least one anchor device including at least one sensor among a UWB sensor and an IMU sensor, installed according to installation information generated at the construction site, and acquiring sensor data detected by the at least one sensor; a tag device attached to a worker performing work at the construction site and moving according to the worker's movement; a manager device; and a control server that generates installation information for the anchor device according to the type of the construction site, a building or structure installed at the construction site, or the type of work performed by the worker, and, when it is determined that the at least one anchor device is installed according to the generated installation information, monitors the status information of the tag device based on sensor data received from the at least one anchor device. Claim 2 A construction site monitoring system according to claim 1, wherein the control server, when the installation information is generated, transmits the generated installation information to the manager device so that the at least one anchor device is installed by a user of the manager device according to the generated installation information, and upon receiving a notification from the manager device indicating that the installation of the at least one anchor device is completed, determines whether the at least one anchor device has been installed according to the generated installation information. Claim 3 A construction site monitoring system according to claim 1, wherein the installation information includes a set value for the position, height, angle, or direction of at least one anchor device. Claim 4 A construction site monitoring system according to claim 1, wherein the at least one anchor device comprises a first anchor device and a second anchor device, and the control server generates installation information such that the first anchor device and the second anchor device are installed at the same height at the construction site based on the width and height of the apartment building when the type of the construction site is an apartment building and the tag device is located at a predetermined height on the apartment building according to the work of a specific floor of the worker. Claim 5 A construction site monitoring system according to claim 1, wherein the control server determines characteristic information of the structure, including the size or location of the structure at the construction site, when the tag device is moved between the building and the structure of the building, and generates installation information based on the characteristic information of the structure. Claim 6 A construction site monitoring system according to claim 5, wherein the at least one anchor device comprises a first anchor device and a second anchor device, and the control server determines a sensing area in which each of the first anchor device and the second anchor device can receive sensor data, and generates installation information such that the tag device is sensed within a first sensing area in which each of the sensing areas overlaps. Claim 7 A construction site monitoring system according to claim 1, wherein the construction site includes a first construction site and a second construction site adjacent to the first construction site, and the at least one anchor device includes a first anchor device and a second anchor device, and the control server generates installation information such that when the tag device is working on the side of the building at the first construction site, the at least one anchor device senses the side of the building at the first construction site, the first anchor device is installed in one area of ​​the top or bottom of the building at the first construction site, and the second anchor device is installed in one area of ​​the top or bottom of the building at the second construction site. Claim 8 A construction site monitoring system according to claim 1, wherein the at least one anchor device comprises a first anchor device and a second anchor device, and the second anchor device is a bundle anchor device comprising at least two anchor devices, and the control server checks the communication status between the bundle anchor device and the tag device, and if the checked communication status does not satisfy a specified condition, activates or deactivates at least one of the bundle anchor devices or generates installation information with an updated angle or direction. Claim 9 A construction site monitoring system according to claim 1, wherein the at least one anchor device comprises a first anchor device and a second anchor device, and the control server, when it determines that the first anchor device and the second anchor device are positioned parallel to each other at a distance less than specified, fixes the value of the axis to which the first anchor device and the second anchor device are parallel in the installation information and changes the value of the other axis to generate installation information for a third anchor device. Claim 10 A construction site monitoring method performed by a control server of a construction site monitoring system, comprising: generating installation information on at least one anchor device on the construction site for acquiring sensor data related to the construction site based on the type of the construction site, the type of building, structure, or work performed by a worker installed at the construction site; receiving sensor data based on communication between a tag device attached to a worker performing work at the construction site and moving according to the worker's movement and the at least one anchor device installed according to the installation information; and monitoring status information including the positioning of the tag device based on the received sensor data. Claim 11 A construction site monitoring method according to claim 10, further comprising: an operation of transmitting the generated installation information to a manager device so that the at least one anchor device is installed according to the generated installation information when the above installation information is generated; and an operation of determining whether the at least one anchor device has been installed according to the generated installation information when a notification indicating that the installation of the at least one anchor device has been completed is received from the manager device. Claim 12 A construction site monitoring method according to claim 10, further comprising the operation of generating the installation information to include a setting value for the position, height, angle, or direction of the at least one anchor device. Claim 13 A construction site monitoring method according to claim 10, wherein the at least one anchor device comprises a first anchor device and a second anchor device, and the operation of generating installation information comprises, when the type of the construction site is a multi-unit dwelling and the tag device is located at a predetermined height on the multi-unit dwelling according to the worker's work on a specific floor, the operation of generating installation information such that the first anchor device and the second anchor device are installed at the same height at the construction site based on the width and height of the multi-unit dwelling. Claim 14 A construction site monitoring system comprises: at least one anchor device installed according to installation information generated at the construction site and acquiring sensor data and images related to the construction site; a tag device attached to a worker performing work at the construction site and moving according to the worker's movement; a drone that acquires images of the construction site while moving around the area of ​​the construction site; and a manager device. A construction site monitoring system comprising: a control server that controls the drone to move along a first path corresponding to characteristic information of the construction site among a plurality of predetermined paths and captures an image; upon receiving the captured image acquired while moving along the first path from the drone, performs rendering on the received image to obtain a rendered image; compares the rendered image with the characteristic information to update the characteristic information; changes the installation information according to the updated characteristic information to create installation information; transmits the installation information to the manager device so that at least one anchor device is installed according to the installation information; and when it is determined that at least one anchor device is installed according to the installation information, monitors the status information of the tag device based on sensor data and images received from the at least one anchor device; wherein the characteristic information of the construction site includes information regarding the type of the construction site, buildings or structures installed at the construction site, or the type of work performed by the worker.

Images