1447 results about "Field working" patented technology

The present invention is a portable device that a computer can boot from, containing a prefabricated independent operating system environment which is engineered from the ground up to prioritize security while maximizing usability, in order to provide a safe, reliable and easy to use practical platform for high risk applications. An embodiment of the present invention may temporarily transform an ordinary computer into a naturally inexpensive logical appliance which encapsulates a turn-key functional solution within the digital equivalent of a military grade security fortress. This allows existing hardware to be conveniently leveraged to provide a self contained system which does not depend on the on-site labor of rare and expensive system integration and security experts.

Portable x-ray devices and methods for using such devices are described. The devices have an x-ray tube powered by an integrated power system. The x-ray tube is shielded with a low-density insulating material containing a high-Z substance. The devices can also have an integrated display component. With these components, the size and weight of the x-ray devices can be reduced and the portability of the devices enhanced. The x-ray devices also have an x-ray detecting means that is not structurally attached to the device and therefore is free standing. Consequently, the x-ray devices can also be used as a digital x-ray camera. The portable x-ray devices are especially useful for applications where portability is an important feature such as in field work, remote operations, and mobile operations such as nursing homes, home healthcare, or teaching classrooms. This portability feature can be particularly useful in multi-suite medical and dental offices where a single x-ray device can be used as a digital x-ray camera in multiple offices instead of requiring a separate device in every office.

The invention relates to a BIM (Building Information Model)-based pipe prefabrication method, which comprises the followingsteps: (1) performing three-dimensional modeling, i.e., converting a two-dimensional design drawing into a corresponding BIM three-dimensional model; (2) performing collision detection, i.e., performing collision detection on the three-dimensional model by using a pipeline model-based collision detection algorithm until the collision result is zero collision, and outputting a final three-dimensional model; (3) prefabricating and pretreating, i.e., numbering all pipe sections in the three-dimensional model according to an assembly sequence and outputting and printing a prefabrication drawing and a numbering result; and (4) prefabricating, i.e., manufacturing a pipe prefabricated part according to the prefabrication drawing and the numbering result. Compared with the prior art, the pipe prefabrication method has the advantages that the prefabrication accuracy can be improved, the field working efficiency is improved and the like.

The invention discloses a wireless routing-inspection system and a routing-inspection management method. The system comprises passive radio frequency cards arranged on fixed points, intelligent mobile terminals and a system platform, wherein each intelligent mobile terminal comprises an NFC module and a control module, each NFC module is used for collecting ID codes of the corresponding passive radio frequency card, each control module is used for receiving the collected ID codes, generating routing-inspection information and sending the routing-inspection information to the system platform, and the system platform outputs the routing-inspection information in real time. According to the wireless routing-inspection system and the routing-inspection management method, front-end field work information collection is conducted through the intelligent mobile terminals, information transmission is conducted through a GPRS/WIFI network, the system is simple in configuration, real-time routing-inspection supervision without distance limit is achieved, meanwhile, wiring is not demanded, and the disadvantages that wiring is large in work amount and high in cost are improved.

The system includes a field working station and a remote service center. The field working station runs the OPC data collection module and the network data releasing module conforming to TCP/IP protocol by using the OPC data collection and network data releasing application program, and is connected to the field control center through OPC interface. The remote service center runs the network terminal module conforming to TCP/IP protocol, the remote OPC server module and the remote control module supporting OPC interface by using network terminal application program and the remote OPC service application program. The network communication terminal module receives the field data released by the network data releasing module, and then releases the received data to the remote OPC service module by which the data is transmitted to the remote monitoring module.

Equipment failures are diagnosed using an integrated approach of case-based reasoning (CBR) and statistical reliability analysis. The method outputs a single list of suggested failed components, ranked by an overall probability of failure, and their associated past solutions from the case base. The overall probability of failure is calculated using the combined logic of case based reasoning and statistical reliability analysis. The method is typically used in a real-time decision support system to aid equipment diagnosis by a maintenance technician working in the field.

The present invention relates to pipeline prefabrication and installation technologies, in particular to a BIM (Building Information Modelling) technology based municipal pipeline factory prefabrication and installation method. The method comprises the following steps of step 1, three-dimensional modeling: performing municipal pipeline three-dimensional modeling in each specialty of buildings by using Revit MEP software; step 2, scheme optimization: performing comparative analysis on different schemes according to the established three-dimensional integrated pipeline model, and selecting an optimal arrangement scheme; step 3, collision detection: performing collision detection on the three-dimension model by using a pipeline model based collision detection algorithm, and outputting a final three-dimension model until a collision result is zero collision; step 4, preprocessing of prefabrication processing: performing numbering on all pipe sections in the three-dimensional model according to an assembly sequence, and outputting and printing a prefabrication processing diagram and a numbering result; and step 5, prefabrication processing: manufacturing pipeline preforms according to the prefabrication processing diagram and the numbering result. The method has the advantages that the precision of prefabrication processing can be improved, the field working efficiency can be improved, and the like.

The invention discloses an existing bridge quick BIM modeling system and method. The three-dimensional laser scanning technology serves as a bridge three-dimensional geometric data acquisition tool, and the limitation of passive ranging in traditional close-range photogrammetry, namely limitation of natural light conditions, is overcome. In actual application examples, by comparing a BIM model built through three-dimensional scanning and an actual building, it is found that the similarity between the BIM model and the actual building can reach 90% or above. A full-color-point cloud model is obtained through the three-dimensional scanning technology, a vivid and fine virtual model can be generated through three-dimensional entity modeling software processing, the method can be used for webpage real-time publish and sharing, and the cooperative work efficiency is improved. The whole BIM modeling process is convenient, quick and precise, as for small-and-medium-sized bridges, it takes a few hours from field work scanning to building of the whole BIM model, and model errors can be controlled at the millimeter level.

The invention discloses a lean production management kanban system and an application method. The system mainly comprises machine table kanban, comprehensive kanban, a data collector, an industrial personal computer, a server, kanban system software, a call broadcast system, and a special local network. The system has the effects of real-time transmission of production information, transparent management and guarantee of production field work order, and is an effective tool for realizing lean production accurate management.

The invention provides a 1000kV ultrahigh voltage alternating current non-contact-type electroscopy and an electroscope thereof, the hardware part of the electroscope consists of a signal acquisition module, a signal amplification module, a signal processing module, an analog-to-digital conversion and data processing module and an alarm module, the software part thereof is divided into five stages comprising self-check, pre-check, checkup, comparison and alarm; after the self-check is passed and time delay of 3 seconds elapses, a value, which is obtained by performing a data acquisition in 10KHz frequency on the electric field intensity of the working location, is regarded as a reference value for the electroscopy, the inventive reference value is an electric field value of the on-site working location, which effectively enhances the use range and accuracy of the electroscope; the invention implements the electroscopy in terms of field intensity curves of space electric fields and gives a reflection of the size of the electric field via the frequency velocity of acoustic, optical signals for the alarm, which effectually eradicates the interferences from adjacent charged equipment and settles the difficult problem of inferior repetitiveness and low accuracy of the electroscopy result which is resulted from the interference with the space field intensity by charged bodies of the adjacent measured equipment.

The invention relates to a method for geological navigation and mapping by using an Andriod flat panel or a mobile phone and belongs to the technical field of geological survey. The method is based on an Andriod operating system and consumes a less memory, the device is convenient to carry, user groups are many, and the device is low in price and easy to popularize; a GIS+GPS integration technology is utilized, and the field navigation and positioning is more accurate after coordinate processing; a two-dimensional or three-dimensional geological information GIS database that can be updated dynamically is established, geological recording information comprises audio and video information, the field operation is visual and simple, the content level is clear, no repetition or omission occurs, a previous pure recording mode of character and photo information is changed, the field working efficiency is improved, the blank of field engineering geological mapping system quality control procedures is filled through synchronous communication with rear experts, a working plan can be adjusted timely, and field geological mapping target is clearer.

A foldable implement frame is foldable about multiple axes to provide a compactly folded implement. The implement is foldable from a wide, field working position to a relatively narrow position for transport between fields, along roadways, and through field gates or storage doors. The frame is generally comprised of a center frame section that may be hitched to a prime mover, a pair of inner frame sections, and a pair of outer frame sections. The outer frame sections may be folded about their connections to the inner frame sections, and the inner frame sections are foldable about their connections to the central frame section. The central frame section may be rotated to rotate the inner and outer frame sections forward to an upright position, and the inner and outer frame sections may then be folded forward to fold the frame into a narrow position for transport and/or storage.

The invention relates to a transformer oil chromatographic detection system and a detection method thereof, comprising a monitoring module, a detection module, a control module, an acquisition and conversion module, a data management module and a data analysis module; wherein, the monitoring module is connected with the detection module, the control module is separately connected with the monitoring module, the detection module and the acquisition and conversion module, the acquisition and conversion module is connected with the detection module, the detection module is connected with the acquisition and conversion module and the data management module in turn, the data management module is connected with the data analysis module and the data analysis module is operated by a user. Aiming to engineering rescue vehicles, the invention applies a self-made source gas, an automatic control function of quantitative oil-taking, a high effect vacuum degassing and an integrated technology of oil-taking, degassing and detection, thus reducing the volume, saving the source and shortening the detection and analysis circle. The invention can be fixed neatly on a car and is suitable to field work for timely discovering the power transformer latent fault and effectively tracking.

The invention relates to the field of travelling of vehicles, and discloses a height adjustment device for a vehicle chassis. The height adjustment device comprises a frame which is fixedly connected with the vehicle chassis (10), and a support rod (4) is fixedly connected with a vehicle axle (6) in the vertical direction, wherein a parallelogram linkage mechanism is connected between the frame and the support rod (4); and the height of the frame in the vertical direction relative to the position of the wheels can be adjusted. With the adoption of the height adjustment device, the height of the vehicle chassis (10) can be automatically adjusted, the adjustment range is beyond the diameter of a tire of the wheel, the height of the vehicle chassis (10) is increased, and the trafficability for the vehicles are greatly changed, so as to adapt to the operation requirements of high-stalk crops on farmland machinery, the height of the vehicle chassis (10) also can be reduced, so as to adapt to the requirements of the crops during the initial growth period and the requirements of short crops on the field work, and the running stability of the vehicle at a high speed is also improved. The invention further provides a vehicle adopting the height adjustment device for the vehicle chassis.

The invention discloses an on-line monitoring device and method for the corona discharge of an ultra-high voltage power transmission line. The on-line monitoring device comprises a sensor unit, a signal conditioning unit, a signal processing unit, a wireless communication unit, an upper computer monitoring unit, a system failure diagnosing unit and a system power supply unit. The on-line monitoring method comprises the following steps of: carrying out signal acquisition for the field working state of power transmission equipment by the sensor unit; transforming data types through the signal conditioning unit to obtain a useful signal which can be identified by a CPU (Central Processing Unit) of the signal processing unit; sending the processed data to the wireless communication unit through a serial port by the signal processing unit; and receiving the data and carrying out failure diagnosis by an upper computer server so as to give the current operation state of the equipment, equipment parameters and a failure diagnosis result.

The invention discloses a horizontal drilling real-time seismogeology comprehensive guiding method. The method comprises the following steps that (1) three-dimensional prestack time deepened seismic data are explained in a known oil and gas field work zone, and an initial guiding model of a well to be drilled is obtained; (2) lithological, electrical and seismic reflection characteristics of marker beds, a target oil and gas layer and adjacent stratums in the oil and gas field work zone are determined; (3) before a forward drilled well enters the target, the velocity field is updated in real time, and an improved guiding model of the forward drilled well is obtained; (4) when the forward drilled well encounters one marker bed and is about to enter the tarter, the altitude depth of a target-entering point of the forward drilled well is predicted, and trajectory optimization before target entering is conducted; (5) after the forward drilled well enters the target, the velocity field is updated again, and thus the newest guiding model is obtained; and (6) under the guidance of the newest guiding model, a horizontal section guiding is conducted by combining with practical drilling analysis. According to the seismogeology comprehensive guiding method capable of correcting the guiding model in real time, the effects that the horizontal well enters the target layer accurately and efficiently penetrates through the target layer can be guaranteed.

The invention discloses a grasping force active compliance control method of an apple picking robot tail end actuator, and belongs to the technical field of picking robot control. The grasping force control method is characterized in that a force sensor and an encoder arranged on the apple picking robot tail end actuator obtain the position transformation quantity and the acting force on a grasping object through collection; the displacement and the force obtained through collection are used as the input of a recursive least squares method recognizer of a variable forgetting factor; the rigidity coefficient of an impedance controller is subjected to on-line identification; the rigidity parameters of the impedance controller for adapting to different environment requirements are automatically regulated in real time according to the output result of a second-order impedance controller. The control method has the advantages that the grasping damage rate of a picking robot to apples can be effectively reduced; in addition, the anti-jamming capability of the robot during field work is improved.

An arrangement and a method for the automatic documentation of situations during fieldwork in which an operating parameter sensor records an operating parameter of an agricultural machine during field work or a crop sensor records a characteristic of the crop that is gathered or processed by the agricultural machine during the field work. A computer unit generates a triggering signal with the appearance of a pre-specified condition of the received signals of the operating parameter sensor or crop sensor. The computer unit is connected with an image recording device for the generation of an image signal by the agricultural machine or its surroundings. As a reaction to a triggering signal, image signals are stored in a geo-referenced manner and sent to a distant site over a transmission path.

The invention relates to the field of construction site surveying and provides a construction site surveying method combining surface laser radar and oblique photography, comprising: S1, acquiring radar data; S2, acquiring oblique photography data; S3, introducing a laser point cloud model and a three-dimensional real scene model into a three-dimensional platform for processing, and allowing the processed information to be used in construction site design; S4, drawing a tomographic map and section of a construction site based on laser point cloud data to provide geographic data for working site design. A construction site surveying system combining surface laser radar and oblique photography is provided, comprising a surface laser scanner, a flight platform, a processing module and a camera mounted on the flight platform. The construction site surveying method and system combining surface laser radar and oblique photography have the advantages that the ground laser radar and oblique photography are combined, technical advantages are mutually complemented, manual measurement can be replaced, fine working site surveying can be achieved under high quality and high precision, field work is greatly decreased, surveying period is greatly shortened, and significant technical and social benefits are provided; rich information is acquired and is recorded via equipment, and data can be back-tracked at any time.

The invention relates to a geologic field information collection system. The collection system is designed by adopting a platform-based concept and integrates a project management module, a GPS (global positioning system) module, a geologic compass module, an image system module and a character system module, collection is performed by dividing geologic field sources into points, lines and planes, and information of geologic medium sources like geologic points, fault points, hydrologic points, drill holes, fractures, measured formation sections and pits is output in the form of geologic field information collection card module pieces and Excel data files respectively, so that requirements on filing of original data are met, direct utilization of geologic field information is realized, and integration of outdoor work and indoor work is realized. The collection system comprises a system function module, a geologic field information collection card module and a data output module. By the system, the geologic field information can be collected quickly and accurately; efficiency of field work and data accuracy are improved by providing functions of quick GPS positioning, a measuring ruler, an angulometer, a geologic compass and the like.