57 results about "Safety zone" patented technology

The application discloses a path optimization method and device and intelligent driving equipment, and relates to the technical field of automatic driving. The path optimization method comprises the following steps: acquiring an initial path, motion state information and obstacle information of a vehicle. According to the motion state information, a bounding box of each path point of the initial path is constructed, and a plurality of bounding boxes form a safety area of the vehicle. Based on the safety area and the obstacle information, a reference point of an obstacle is calculated. A multi-objective optimization function including a smoothing cost item, a path keeping cost item and an obstacle guiding cost item is constructed. A plurality of constraint conditions are constructed, and the plurality of constraint conditions include a position constraint, a starting point constraint, an end point constraint and a curvature constraint. The multi-objective optimization function and the plurality of constraint conditions are input into a nonlinear solver for solving, and an optimized path is output. The safety, smoothness and robustness in a complex environment are realized.

This invention discloses a universal mobile carrier navigation control method that integrates safety zone and pedestrian density, belonging to the field of intelligent navigation and safety control technology. This method constructs a multi-layered digital navigation map under a unified coordinate system; it acquires real-time pedestrian density and environmental data around the carrier through a sensor network and cloud interface; in normal mode, it plans conventional paths to avoid high-density pedestrian traffic based on a safety-first principle; when the carrier malfunctions or triggers an emergency signal, the system automatically switches to an emergency avoidance mode, selects the nearest avoidance area that meets safe stopping conditions, and controls the carrier to move along the avoidance path and complete a precise stop. This invention has strong versatility and is applicable to various carriers such as aircraft, ground vehicles, robots, and ships, significantly reducing the safety risks in the operation of urban mobile carriers.

This invention discloses a method, system, and electronic device for automatically switching safe zones. The method mainly includes six steps: map information acquisition, device location acquisition, device location determination, distance calculation, safe zone selection, and safe zone display. It can acquire environmental information to create a map, each map can include multiple safe boundaries, enabling switching between different safe boundaries. It also stores and updates each map piece of information, allowing for the reuse of safe boundary information within the map. The advantages of this invention lie in the reuse of safe boundaries within the same real-world space, eliminating the need for frequent setup. A single map can contain multiple safe boundaries, achieving seamless switching between different maps and safe boundaries, thus improving the user experience.

This invention discloses a control method and system for stage equipment, comprising: establishing a global spatial coordinate system with the starting point of the slide rail as the origin and calibrating the static coordinates and geometric center coordinates; real-time acquisition of pressure distribution data and motion feature sets; performing Fourier transform on the pressure distribution data to generate a smooth pendulum length and obtaining the audience's center of gravity offset and offset direction; generating a safety zone based on the motion speed and smooth pendulum length, and generating a vertex coordinate sequence based on the center of gravity offset and offset direction; publishing the vertex coordinate sequence to each peripheral device based on a publish-subscribe mechanism, and obtaining the verification distance between each peripheral device and the boundary of the safety zone; comparing the verification distance with preset warning thresholds and emergency thresholds to generate control commands; and performing differentiated control on the mobile platform based on the control commands. This invention achieves unified safety interlocking between the mobile platform and peripheral devices, solving safety problems caused by the high center of gravity of standing audiences, edge gathering, and individual inertia differences.

The application discloses a kind of golf leading type follow control system based on multi-modal monitoring, including multi-modal acquisition module, data pre-processing and confidence estimation module, target identity correlation module, scene semantic identification module, leading type target point generation and path planning module, behavior state machine control module, dynamic safety zone generation module, abnormal degradation and recovery module, display and interaction module and data closed loop optimization mechanism.The beneficial effects of the present application are: compared with prior art, through the multi-modal fusion of vision+wireless+trajectory consistency test, the robustness of following is greatly improved, and the complex scene is adapted.Combined with hole sequence semantics, leading type guidance is realized, and the efficiency of sports and venue is improved.Meanwhile, the site rules are integrated to ensure compliance, the dynamic safety zone is generated according to the user state to strengthen the swing safety, the explainable abnormal degradation mechanism is equipped to improve the practicability, and the scene adaptability of the equipment can be continuously enhanced through the use of feedback closed loop optimization model.

This application provides a method, device, and storage medium for generating a low-altitude aircraft takeoff and landing area. The low-altitude aircraft arrival and departure area includes a touchdown / takeoff positioning circle, a safety zone, and an obstacle restriction zone. The obstacle restriction zone is funnel-shaped and includes a conical platform area and a cylindrical area connected in sequence. The method includes: acquiring the aircraft's technical parameters; determining the minimum outer circle diameter of the aircraft based on the technical parameters; and determining the areas of the touchdown / takeoff positioning circle, the safety zone, and the obstacle restriction zone based on the minimum outer circle diameter and a preset geometric ratio. The preset geometric ratio is the ratio between the diameter of the touchdown / takeoff positioning circle, the ring width of the safety zone, the bottom diameter of the conical platform area, and the top diameter of the conical platform area. By using the minimum outer circle diameter of the aircraft as the core, the area of ​​the low-altitude aircraft arrival and departure area is determined, resulting in a reasonable layout, saving area, and improving space utilization.

The application discloses a biological remote vehicle early warning method and vehicle, the method comprises the following steps: acquiring the positioning data of the vehicle and the perception data of the vehicle periphery in multiple dimensions, and determining the target safety area of the vehicle according to the positioning data and the perception data; and identifying the living target in the vehicle periphery based on the perception data; generating the moving track of the living target according to the position data of the living target, and analyzing the moving trend and behavior characteristics of the living target based on the moving track; comparing the feature data of the living target with the preset authorized feature library to determine the authorized level corresponding to the living target; generating the corresponding early warning control instruction according to the authorized level corresponding to the living target, the moving trend, the behavior characteristics and the boundary of the target safety area, and executing the early warning action matched with the early warning control instruction. The technical scheme provided by the application can reduce the false alarm rate of the biological remote vehicle alarm.

The utility model discloses an obstetrical nursing enclosure, including fender assembly for limiting infant sleep position, including fender main part, fender main part is right triangle prism structure, and the inclined surface of fender main part is provided with the blocking part, and the sidewall of fender main part is inlayed and is provided with the enclosure mounting hole. The utility model's enclosure assembly passes through the design of the up and down movement of screw column in sliding mouth, can fast regulation height, and the enclosure of lowering in daytime is convenient for nursing personnel to arrange bed, feed or check infant, and the enclosure of lifting in night ensures safety. Compared with traditional fixed height enclosure, the device can realize function switching without disassembling, and the operation is simple and direct, and knob control does not need additional tool, and is suitable for hospital, confinement center and other high frequency nursing scene. The limiting function of fender assembly further reduces the hindrance in the nursing process, ensures infant in the safety area, significantly improves the nursing efficiency, reduces the operation burden of medical staff or parent, and satisfies the diversified nursing demand.

The aim is to allow video confirmation at the control center as needed, even when security is deactivated, while respecting user privacy. [Solution] The security system 100 includes an imaging device 10 that captures images of a predetermined security area S, a security device 30 that acquires images from the imaging device 10, a security terminal 50 that requests the security device 30 to display the images and displays the images when the request is approved, and a user terminal 60 that receives an image display signal indicating that the security terminal 50 has displayed the images. When the security device 30 approves the security terminal's request to display the images, it transmits the images to the security terminal 50 and also transmits an image display signal to the user terminal 60.

This invention belongs to the field of building emergency evacuation technology, specifically disclosing a method for the safe evacuation of personnel in deep underground buildings and their clusters, combining vertical and horizontal elements. Based on the concept of a shared safety zone in deep underground buildings, it proposes a method for three streams of people to evacuate simultaneously in the stairwell in an "upward-downward-upward" manner. The building is divided into three evacuation spaces of equal level (upper, middle, and lower), with two evacuation direction conversion points and one shared safety zone. Personnel in the upper evacuation space evacuate upwards to the ground via the nearest evacuation direction conversion point. Personnel in the middle and lower evacuation spaces evacuate via the second evacuation direction conversion point, leading to the shared safety zone. This provides a deep underground building cluster technology with an infinitely scalable and resilient evacuation network, forming a new design and planning method. The advantages of this invention are: extremely compressed total evacuation time, significantly improved reliability of underground spaces under extreme disasters, and the realization of intensive and sustainable development.

The invention relates to a method, operator assisting device, computer program and computer program product for assisting an operator during 'autonomous operation of a vessel (V1) as well as to a vessel comprising such an operator assisting device, where the vessel (V1) is controlled to move according to a present control scheme in a present passage along a route in a body of water and the method comprises displaying at least one safety zone (SZ) associated with an entity in or of the body of water, which safety zone the vessel (V1) should not enter, which displaying is related to the present passage of the vessel and triggered by at least one primary display trigger condition associated with the body of water and influencing the operation of the vessel (V1) based on the at least one safety zone.

The application discloses a model robot guidance control method and system based on a contact cone, which comprises the following steps: acquiring contact information, modeling contact cone geometric constraints based on the contact information, and dividing a gripping safety zone; geometrically discretely sampling the contact cone, acquiring a sampling direction set, mapping the sampling direction set into an embedding vector, splicing the embedding vector, and acquiring a contact cone geometric token; fusing multi-modal information and the contact cone geometric token, inputting the fusion result into a preset architecture, and generating an action sequence; updating the contact information in real time, re-modeling the contact cone geometric constraints according to the updated contact information, and generating a new round of contact cone geometric tokens. The application realizes the generation and stable control of the physical feasibility guidance of the robot by structurally coding the contact cone geometric constraints in contact mechanics through discrete direction sampling and introducing VLA.

A method for minimally invasive laser ablation of a target tissue within a patient while sparing tissue within a safety zone proximate to the target tissue, comprising: guiding a laser fiber within a patient with a guidance tool; measuring a temperature within the target tissue and the safety zone based on an invasive and a non-invasive thermal sensor; computing a thermal profile in conjunction with a real-time tissue image adapted for guidance of the laser fiber with the guidance tool within the patient; and controlling a laser to deliver energy through the laser fiber, to deliver a minimally therapeutic ablation therapy to the target tissue while ensuring that the safety zone is maintained in a non-ablation condition, based on at least a treatment plan, the measured temperature, and the thermal profile.

Systems and methods for generating safety zones for a mobile robot are described. These systems and methods may include receiving information about a cart or attachment to be used on the mobile robot, such as the cart's size and the number of supports. Furthermore, the systems and methods may include generating safety zones based on the type of mobile robot and the information about the cart or attachment. Finally, the systems and methods may include operating the mobile robot based on the safety zone, such that if an object is detected within the safety zone, a controlled stop of the mobile robot is triggered.

This invention provides a method, device, equipment, medium, and product for predicting dam deformation at multiple monitoring points and providing early warning of safety zones based on a spatially weighted graph structure. It relates to the field of artificial intelligence technology. The method includes: acquiring deformation data and environmental data from multiple monitoring points of the target dam; constructing a spatial correlation weight matrix and graph structure for the target dam based on the spatial coordinate information of each monitoring point; and inputting the deformation data, environmental data, spatial correlation weight matrix, and graph structure into a pre-trained dam deformation prediction model to obtain the dam deformation prediction result at future times. Through this method, the model can accurately simulate the spatiotemporal coordinated changes in the dam deformation process, thereby generating more accurate dam deformation prediction results, improving the model's prediction accuracy and robustness, and enabling high-precision prediction of dam deformation, which is beneficial for subsequent dam risk early warning and operation and maintenance optimization.

This invention relates to the field of industrial automation technology, specifically disclosing a fault prevention and diagnosis control system for tunnel boring machines (TBMs) based on the Kuanghong intelligent mining platform. The system utilizes the Kuanghong operating system to achieve spatiotemporal synchronous acquisition and fusion of data from multiple heterogeneous sensors, constructing a multi-dimensional state sequence including equipment operating parameters and health indicators. Based on historical data, a probabilistic world model is established to predict state transition probability distributions and quantify uncertainties. Safe zones are defined according to uncertainties, and the safety of actions is verified through multi-step rolling prediction. A safety constraint strategy optimization algorithm is used to iteratively update the decision-making strategy, and online learning mechanisms are combined to dynamically update model parameters. This invention solves the problems of insufficient data fusion, lagging fault prediction, and inadequate exploration of action safety in existing technologies. It achieves accurate perception of the TBM's operating status, early warning of faults, and safe autonomous decision-making, improving equipment operating reliability and maintenance efficiency.

In one illustrative example, a controller may operate to send a request message towards a user equipment (UE) which operates to communicate traffic in a session in a mobile network. In response, the controller may receive, from a user plane function which anchors the session of the UE, a response message which includes an identifier of the user plane function. The controller may verify whether a zone or security level value that is assigned to the user plane function matches a zone or security level value that is assigned to the UE. If the controller identifies a discrepancy between the zone or security level values, the controller may provide a notification indication to indicate the discrepancy. The UE may be an industrial Internet of Things (IIoT) device and the zone or security level values may be based on International Electrotechnical Commission (IEC) 62443.

This invention discloses an active collision avoidance method for offshore wind turbine monopile foundations, aiming to provide a method that combines the advantages of active collision avoidance early warning with passive collision avoidance, thus providing better protection for offshore wind turbine monopile foundations. Potential collision objects are classified and identified: if the potential collision object is not a ship, a collision limit safety zone S1 is defined within the monitoring range; if the potential collision object enters the collision limit safety zone S1, the water level is determined and a collision avoidance device is deployed. If the potential collision object is a ship, the collision limit safety zone S1, a key monitoring area S2, and a tracking and identification area S3 are defined within the monitoring range. The ship's trajectory is predicted, and a risk assessment of the collision between the ship and the wind turbine monopile foundation is performed. A collision early warning threshold is generated, and the risk assessment result is compared with the collision early warning threshold; it is determined whether the collision early warning threshold is exceeded; if the threshold is exceeded, an alarm is issued and monitoring continues.

The application discloses a safe physical human-computer interaction control method, a terminal and a medium. The method comprises the following steps: generating a desired trajectory of a rendered virtual interaction dynamic according to an interaction control equation of a robot and a human and an interaction force; shaping the generated desired trajectory according to a safety limit to obtain a safety reference trajectory; and issuing the safety reference trajectory to a robot controller for execution. The application solves the problem that traditional interaction control (admittance / impedance) cannot generally meet speed and position safety constraints. Speed limiting avoids the robot running too fast to affect interaction safety and comfort, and ensuring that the robot does not exceed the position constraint can avoid the collision between the robot and the environment, and also ensure that the human-computer interaction process does not exceed the set safety area, greatly improving the safety in physical human-computer interaction.

This invention relates to the field of fluid data analysis technology, specifically to a numerical simulation analysis method for the inlet and outlet characteristics of a water hammer-resistant air valve. This method acquires the spatiotemporal evolution data of the pressure field on the surface of a float under set apparent liquid phase velocity and gas content conditions, constructs a pressure spatiotemporal matrix, and extracts the pressure distribution order coefficient through singular value decomposition. Based on the changing trend of this coefficient, it identifies the Venturi strong adsorption state and records the maximum order coefficient of the process. Simultaneously, combining the relative time lag between the actual closing time of the float and the theoretical arrival time of the pure liquid phase, the working state of the air valve is divided into a substantially safe zone, a sub-safe zone, or a dangerous zone. Finally, the apparent liquid phase velocity corresponding to the boundary between the safe zone and the sub-safe zone is used as the engineering critical velocity. This method overcomes the limitations of traditional force analysis, effectively identifies stable adsorption structures from turbulent noise, accurately warns of hidden risks, and significantly improves the reliability of water hammer protection design.

The application discloses a kind of service supervision and automatic settlement method based on hardware trusted root.The system carries out hardware level signature and time authentication to key operation by mobile terminal hardware security area, generates tamper-proof trusted evidence chain;Through the preset sliding time window, the physical consistency test is carried out to the data of depth fusion GPS and inertial sensor, and the biological characteristics in the safety area are introduced as the final basis for decision when detecting abnormality, to realize active depth risk control;Synchronization model based on atomic operation log and logic serial number is used to ensure the strong consistency of offline business.Finally, according to the evidence chain and risk control result, the compliance settlement of the licensed payment institution is completed.

The present application relates to the technical field of rail transit vehicle door safety control, and discloses a high-speed rail sliding door safety control method and device integrated with a TOF camera, comprising a door opening and closing unit, a depth data acquisition unit, a safety area setting unit, a motion state sensing unit, an in-area detection unit, an out-of-area intention detection unit, a time sequence verification unit and a control execution unit; the depth image of the door area is acquired by the TOF camera, a dynamic safety area is set in combination with the door closing path, whether there is a person or object in the area is detected in the door closing process, the target outside the area is tracked across frames to determine the intention of getting on or off, and the door is controlled to stop closing after the track rationality of the detection result is analyzed in combination with the time sequence verification, so that the active identification and protection of the target that has entered or is about to enter the dangerous area are realized.

Systems and methods for creating safe zones at a facility using mobile robots are provided. In one form, the system may include a facility having a path and a guidance system for facilitating movement along the path, and a mobile robot configured to move along the path. Each mobile robot may include a mobility system for each mobile robot to move along the path and an extendable and retractable member for engaging supports of adjacent paths. The system may further include a support with a receiving portion that receives the extendable and retractable member of the mobile robot. In this system, a blocking position may be defined, wherein the receiving portion has received the extendable and retractable member of the mobile robot, thereby restricting the movement of the mobile robot and preventing other mobile robots from passing along the path occupied by the mobile robot at the blocking position.

The application relates to the technical field of mobile robot navigation, and discloses a mobile method of a self-moving device, the device and a storage medium. The method comprises the following steps: controlling the self-moving device to travel, and acquiring the current position of the self-moving device in the process of traveling; if the self-moving device identifies a first obstacle under the condition that a first preset condition is met between the current position and a safe area in a map, determining whether the first obstacle and a second obstacle in the map are the same obstacle; and if it is determined that the first obstacle and the second obstacle are the same obstacle, controlling the self-moving device to ignore the first obstacle and continue traveling. The technical scheme in the application improves the intelligence and user experience of the device, reduces the false obstacle avoidance behavior in the known passable area of the user, and ensures that the device can efficiently travel in the safe area.

In an approach to improve improving impact prevention in both manual and autonomous vehicles embodiments of the present invention generate a knowledge corpus based on data collected, from one or more internet of thing (IoT) sensors, associated with one or more predetermined risk factors of one or more predefined risks over time. Further, embodiments receive from the one or more IoT sensors input data to observe a vertical space above a vehicle and identify an object in a predetermined area based on the received input data and the knowledge corpus. Additionally, utilize the knowledge corpus and the input data to generate a risk score for the identified object and responsive to the risk score being above a predetermined threshold, embodiments issue a command for the vehicle to continue to drive or to progress to a predetermined safe zone.

This utility model relates to an online monitoring and environmental optimization system for cable trenches, belonging to the field of program control or liquid level control technology. The system mainly comprises an uninterruptible power supply, an industrial-grade PLC controller, a core detection module, and an actuator. It monitors the liquid accumulation in real time using distributed capacitive level gauges, collects environmental parameters using infrared gas detectors and temperature probes, and generates a water level distribution image using a two-dimensional laser scanner mounted on a moving slide rail. The controller uploads multi-source data to the power plant's DCS system via a core switch, establishes a safety level model based on liquid level and gas concentration, and delineates hazardous, warning, and safe zones, automatically triggering explosion-proof water pumps to drain accumulated water or explosion-proof fans to ventilate. Combined with industrial Ethernet communication, it achieves real-time monitoring, accurate imaging, and proactive optimization of environmental parameters in cable trenches, effectively preventing equipment failures caused by toxic gas explosions and water accumulation, and improving the operational safety of underground cable facilities.

This invention discloses a positive pressure explosion-proof method, comprising: S1: after purging the positive pressure chamber of the mobile device, initializing the pressure difference of the positive pressure chamber to P0; S2: acquiring the explosion-proof status information of the mobile device; if the mobile device is in a safe zone, then execute S3; if it is not in a safe zone, then execute S4; S3: determining whether the gas environment in which the mobile device is located is safe; if safe, determining whether the pressure difference is less than P0, if less, restoring the pressure difference to P0; if unsafe, controlling the mobile device to stop moving and issuing an alarm; S4: acquiring the current temperature T of the positive pressure chamber. current and the natural logarithm of the current pressure difference lnP current Based on the current temperature T current and the natural logarithm of the current pressure difference lnP current Obtain the natural logarithm of the current predicted pressure difference, lnP. predict Permissible deviations and remaining explosion-proof usable time predict S5: lnP based on the natural logarithm of the current predicted pressure difference. predict Permissible deviations and remaining explosion-proof usable time predict It determines whether to cut off the power to the mobile device, whether to immediately return to a safe area, and whether to notify of any abnormalities. Its prediction of remaining explosion-proof availability time is more accurate.

This application discloses a method, system, equipment, medium, and product for target detection in rail transit construction safety areas, relating to the field of rail transit safety. The method includes: acquiring image data of a rail transit construction safety area and preprocessing it to determine the preprocessed image data; inputting the preprocessed image data into a lightweight backbone network to extract multi-scale feature information; performing multi-scale feature fusion and context aggregation on the multi-scale feature map to determine the multi-scale features after context aggregation; inputting the multi-scale features into an enhanced detection head to determine the target detection result; parsing and post-processing the multi-scale prediction result to generate target information; mapping the target information to a rail transit construction safety area model; and determining whether a safety warning mechanism is triggered based on the spatial relationship between the target and the safety area boundary. This application can improve the detection accuracy and robustness of multi-category, multi-scale targets in complex construction scenarios.

The application provides a crop grabbing mechanical arm control system and control method fusing mixed reality, and belongs to the technical field of robot control, and comprises the following steps: a mixed reality head-mounted display end collects real environment images of an operator's visual angle and tracks hand posture data; when in a working mode, it is judged whether the right hand is located in a safety area; if yes, the position change amount, posture information and the interdigital distance of the thumb and the index finger of the right hand are acquired and sent to the mechanical arm; the mechanical arm end maps the received information into incremental control instructions for the end and open-close control instructions for the clamping jaw; the mechanical arm end is provided with a clamping jaw with a tactile sensor, the sensor acquires micro tactile signals during crop grabbing, feeds back micro deformation of the clamping jaw fingertips to the operator, maps into three levels of tactile interaction prompt information, and based on the head-mounted display, the visual field is superimposed, so that the operator can intuitively feel the tactile information during crop grabbing by the mechanical arm clamping jaw. The application can control the mechanical arm.