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36 results about "Vertical control" patented technology

Horizontal and Vertical Control. Horizontal and vertical control are developed to create a framework around which other surveys can be adjusted. These control surveys are used for accurate mapping projects in the construction of underground utility systems, roadways, power lines, tunnels, and many other high precision projects.

Tunnel traffic control method and system for multi-mode traffic variable analysis

The invention discloses a tunnel traffic control method and system for multi-mode traffic variable analysis, and relates to the field of general control or regulation systems, and the method comprises the steps: obtaining vehicle operation state information and pollutant concentration distribution data, determining a pollutant generation region based on a vehicle state, and calculating a concentration gradient value and a diffusion rate value. And analyzing the concentration change trend according to the spatial-temporal distribution relationship, and dividing a vertical control region. And setting initial operation parameters of the jet fan in a preset adjustment range and a step length according to the pollutant distribution characteristics of each area. And monitoring area concentration distribution in real time, when a target area exceeds the standard, dynamically adjusting fan parameters of the area and an adjacent area to preset values, and setting illumination parameters of illumination equipment in the vertical control area according to pollutant concentration distribution characteristics. By implementing the method, the accuracy of tunnel partition environment parameter adjustment can be improved.
Owner:CHINA CONSTR EIGHTH BUREAU TESTING TECH CO LTD

TRD equipment construction vertical control method and system based on digital twinning

The invention discloses a TRD equipment construction vertical control method and system based on digital twinning, and relates to the technical field of TRD equipment construction control, and the method comprises the steps: creating a three-dimensional dynamic twinning body which is in fidelity synchronization with TRD equipment and a construction geological environment; connecting physical perception execution equipment, and driving the digital twin model to update synchronously; calling a vertical state sensing module, and identifying a hierarchical vertical state by using a preset vertical tolerance threshold; and carrying out strategy matching search, feeding back a vertical control adjustment strategy, and carrying out real-time operation response on TRD equipment. The technical problems that in the prior art, in traditional TRD equipment construction, perpendicularity control is prone to being affected by geological environment changes and equipment operation data feedback lag, so that equipment control precision is low, and construction quality is unstable are solved, accurate control over TRD equipment construction perpendicularity is achieved, and the construction quality is improved. And the construction quality and the equipment operation stability are improved.
Owner:XUZHOU JINGAN HEAVY IND MFG CO LTD

An automatic mapping device and method for land surveying

PendingCN122349192Aavoid pollutionRealize heat dissipation cleaning functionStructural engineeringMachine
The application relates to the technical field of land surveying, and discloses a land surveying automatic mapping device and method, which comprises a machine body assembly, a foot stand assembly is installed at the bottom of the machine body assembly, a protection mechanism is further arranged at the outer side of the machine body assembly, the protection mechanism comprises cover plates, the cover plates are movably installed on the machine body assembly, the cover plates are mutually spliced to form a cover body, the machine body assembly is located in the cover body, a dust suction box is further arranged in the protection mechanism, dust adhered to the machine body assembly in the cover body is sucked and removed, a limiting air blowing mechanism is further installed on the foot stand assembly, the machine body assembly comprises a base plate, the foot stand assembly is installed at the bottom of the base plate, a horizontal adjusting mechanism is installed on the base plate, an installation plate is installed on the horizontal adjusting mechanism, a machine body is installed on the installation plate, a front display screen is arranged at the front side of the machine body, a horizontal control screw is arranged on the machine body, and a vertical control screw is arranged on the machine body, so that the machine body is protected and dust is sucked.
Owner:SHANDONG GANTU GEOGRAPHIC INFORMATION CO LTD

Comprehensive operation vehicle, control method and system thereof and machine readable storage medium

The invention belongs to the technical field of engineering operation machinery, and particularly relates to a comprehensive operation vehicle, a control method and system thereof and a machine readable storage medium. According to the control method, the horizontal control distance and the vertical control distance of the rod grabber are determined by obtaining the distance between the rotation center line of a chassis and the center axis of a base hole in the horizontal direction and the distance between the bottom of a rod piece and the bottom of the base hole in the vertical direction; and then the rod grabbing device is controlled to move downwards by a vertical control distance, and it is guaranteed that the horizontal actual distance between the grabbing axis of the rod grabbing device and the rotation center line is the horizontal control distance in the moving process, so that the rod piece can smoothly enter the base hole after reaching the position over the base hole, and then the construction efficiency of rod erecting operation is improved.
Owner:CHANGSHA ZOOMLION FIRE FIGHTING VEHICLE

Electromagnetic chuck table board detection device

The utility model belongs to the technical field of detection tools, and particularly relates to an electromagnetic chuck table board detection device which comprises two clamping seats, a tension detector and two proximity switches, one side of each clamping seat is fixedly connected with a vertical control block, one side of each vertical control block is slidably connected with a synchronous block, and the synchronous blocks are connected with the tension detector. One side of each vertical control block is fixedly connected with one vertical control block, the other side of each vertical control block is slidably connected with a limiting block, the two limiting blocks slide in the two synchronous blocks respectively, one side of each synchronous block is fixedly connected with a horizontal positioning rod, and the outer side of each horizontal positioning rod is slidably connected with a linkage seat. Through cooperation of the vertical control block, the horizontal positioning rod and other parts, when a worker carries out magnetic force detection on the electromagnetic chuck table board, the detection positions can be accurately controlled, so that the intervals of the detection positions are kept the same, the uniformity of magnetic force detection on the table board is ensured, the tension is kept at the same angle, and the working efficiency is improved. Therefore, the detection effect on the magnetic force of the table board is finally ensured.
Owner:XIXIA LELIJIA HYDRAUMATIC TECH CO LTD

A vertical drilling device for pole erection and its drilling control method

This invention discloses a vertical drilling device for pole erection and its drilling control method, comprising a first boom and a second boom hinged together. The rear end of the first boom is hinged to a slewing platform, and the front end of the second boom is hinged to a drilling rig. A first hydraulic cylinder is hinged between the first boom and the slewing platform, and a second hydraulic cylinder is hinged between the first boom and the second boom. A first tilt sensor is installed on the first boom, and a second tilt sensor is installed on the second boom. The drilling device is mounted on an excavator via the slewing platform. The tilt sensors measure the tilt angle of the two boom sections and provide real-time feedback to the controller. A vertical control method automatically achieves the coordinated movement of the two boom sections. The operator only needs to operate one handle to automatically lower the drill rod vertically, effectively reducing the complexity of operating the drilling device. Due to the automatic control of the drilling device, construction efficiency and the verticality of the hole during drilling are effectively improved. This invention effectively achieves its objectives of reducing operational difficulty, improving drilling efficiency, and enhancing drilling quality.
Owner:STATE GRID HUNAN ELECTRIC POWER COMPANY LIMITED +3

Measuring device and testing method for deflection angle of inclined vertical control surface of large aircraft

The invention belongs to the technical field of aircraft system assembly and measurement, and relates to a large aircraft inclined vertical control surface deflection angle measuring device and a testing method. The device is fixedly installed based on a control surface suspension support arm and a control surface suspension of an aircraft body, when the aircraft is subjected to inertial motion of a control surface, the whole device moves along with the aircraft, the measurement result is not influenced, and meanwhile, in order to solve the problems of non-direct angle measurement and errors and mistakes caused by conversion, a method of directly measuring the rotation angle of the control surface is adopted. Therefore, the purpose of stably, effectively, simply, conveniently and quickly measuring the deflection angle of the control surface is achieved.
Owner:AVIC GENERAL HUANAN AIRCRAFT IND CO LTD

Flight control method, unmanned aerial vehicle, electronic device and medium

A flight control method, a drone, an electronic device, and a medium. The method comprises: obtaining terrain information (101) corresponding to a flight mission area of ​​the drone; obtaining current ground altitude information of the drone (102); and adjusting a vertical speed control parameter (103) of the drone based on the terrain information and the ground altitude information. The drone is able to adjust its ground altitude relative to the ground or an operating object in a timely manner, thereby ensuring a ground-simulating effect, avoiding risks caused by vertical control lag of the drone, and improving the safety and efficiency of drone operations.
Owner:SZ DJI TECH CO LTD

Method for creating projection on surface of real-world object

The invention relates to a method for creating undistorted projections on the surface of real-world objects in the case of artistic lighting of buildings, structures and similar objects, and in the case of light markings at industrial facilities and on civil objects. The method comprises performing geodetic measurements of the objects and their spatial surroundings to create a vertical control network, performing photogrammetric measurements or laser scans of the real-world objects to be projected thereon and objects in their spatial surroundings, creating a 3D model of the real-world objects, during the rendering process, real-world objects are referenced to a given coordinate system, a projection zone is determined and calculated, the position of the projector is calculated, taking into account the position of an object in the space surrounding that blocks the path of the projection beam from the projector to the object on which it is to be projected. The method includes creating a model of a "source (projector)-screen" system using coordinates obtained in a 3D modeling process, transmitting a projected image onto a gobo picture, installing a projector according to coordinates of a virtual projector in the 3D model of the real-world object, placing the picture with the image into the projector, and projecting the image onto a surface of the real-world object.
Owner:FALCON IP-CHAIN FZCO

Fabricated rapid construction platform for bridge and control method therefor

Provided is a fabricated rapid construction platform for a bridge, including a fixing frame, an upper-layer tubular pile position control structure, a lower-layer tubular pile position control structure, and a console, the fixing frame includes a bottom rail platform, supporting posts, a top operation platform, and several supporting legs; the upper-layer tubular pile position control structure and the lower-layer tubular pile position control structure are provided between the bottom rail platform and the top operation platform; the upper-layer tubular pile position control structure includes two sub-structures arranged symmetrically about the central axis of a second through hole, and each sub-structure includes a braking device, a vertical control arm, and a horizontal control arm. The lower-layer tubular pile position control structure includes an annular frame, a revolution driving device, and four lower control arms.
Owner:GUANGXI TRANSPORTATION SCI & TECH GRP CO LTD

Data monitoring-based pressure-sensitive adhesive online production analysis method and system

The present application relates to the technical field of pressure sensitive adhesive production monitoring, and particularly relates to a pressure sensitive adhesive online production analysis method and system based on data monitoring. The method comprises the following steps: deploying a coating data monitoring network on a coating production line; synchronously obtaining coating real-time monitoring data containing coating thickness data and coating pressure data online through the coating data monitoring network; performing horizontal and vertical decoupling analysis and pressure disturbance feature based on the coating thickness data in the coating real-time monitoring data, then determining the defect source type, and generating corresponding vertical control instructions, horizontal control instructions or step-by-step cooperative control instructions according to the defect source type, so as to realize real-time automatic control of the horizontal and vertical thickness of the wide-width pressure sensitive adhesive coating. The present application realizes accurate determination of the defect source through online correlation diagnosis of the coating thickness and process pressure data, so as to complete real-time regulation of the horizontal and vertical thickness.
Owner:SHENZHEN ANPIN SILICONE MATERIAL +1

Middle vertical drilling mechanism and using method

The invention discloses a centrally-mounted vertical drilling mechanism and a using method, and relates to the technical field of drilling mechanisms, the centrally-mounted vertical drilling mechanism comprises a lower cover plate, a front cover is arranged at the top of the lower cover plate close to the left side, a rear cover is arranged at the top of the lower cover plate close to the right side, antennas are arranged at the tops of the front cover and the rear cover, and a chassis is arranged at the bottom of the lower cover plate; crawlers are arranged on the front side and the rear side of the chassis, a plurality of thrust wheels are arranged at the positions, close to the center, of the front side and the rear side of the chassis, and real-time vertical control (+ / -0.5-degree precision) of a drill bit on a dynamic sloping field is achieved through a sensing-decision-execution closed-loop framework based on a multi-sensor fusion active vertical control system. Compared with the prior art, the scheme solves the three bottlenecks of insufficient manual operation precision (+ / -10 degrees), mechanical adjustment delay (gt, 3 seconds) and open-loop control failure in a breakthrough manner.
Owner:SHANXI AGRI UNIV

Control Method, Controller, Device and Engineering Equipment for Outriggers of Engineering Equipment

The present invention relates to the technical field of construction machinery, and discloses a control method, a controller, a device and a construction equipment for the outriggers of construction equipment. The construction equipment includes a boom and outriggers, and the control method includes: in response to a received outrigger control instruction, obtaining the attitude of the boom, wherein the outrigger control instruction includes a horizontal control instruction for swinging or extending / retracting the outrigger and a vertical control instruction for adjusting the elongation of the outrigger; obtaining the force state of the outrigger corresponding to the outrigger control instruction; and restricting the vertical control and horizontal control of the corresponding outrigger when the attitude is that the boom is not fully retracted and the force state is that the force value is greater than a preset threshold. It can avoid the safety hazards caused by the outrigger valve responding to the outrigger control instruction, use the machine to make judgments and restrictions, avoid human subjective judgments and unrestricted operations, the reliability of the equipment control response is higher, improve the operation safety of the equipment, and meet the requirements of the industry standards for the operation safety of the equipment.
Owner:ZOOMLION HEAVY INDUSTRY SCIENCE AND TECHNOLOGY CO LTD

Marine aggregate and division all-in-one machine

The invention relates to the technical field of grain detection and sampling, in particular to a marine aggregate and division all-in-one machine which comprises a sampling assembly and a division assembly, the sampling assembly comprises a grain pile base and an aggregate sampling rod, a control bearing seat is arranged at the upper end of the grain pile base, and a telescopic arm assembly is rotationally arranged at the upper end of the control bearing seat; the telescopic arm assembly comprises a supporting sleeve beam, a first telescopic arm and a second telescopic arm, when the device is used for collecting and dividing, the device is lifted to be placed above grains of a ship, and then multi-point grain collecting and sampling are achieved through the telescopic arm assembly and the vertical control assembly of the sampling assembly; meanwhile, the device is placed on grains, the influence of damage to an aggregate sampling rod caused by ship floating can be avoided, the sampling efficiency and quality of division can be rapidly improved in cooperation with treatment of a stirring frame and two conical center cylinders in the division link after material collection, and operation is free of worry and convenient.
Owner:ZHOUSHAN ENTRY-EXIT INSPECTION & QUARANTINE BUREAU COMPREHENSIVE TECH SERVICE CENT +1

Downward-inserting perpendicularity control device for H-shaped steel in equal-thickness cement-soil wall

The utility model relates to a device for controlling the downward insertion perpendicularity of H-shaped steel in an equal-thickness cement soil wall, which comprises a fixed clamping seat, a level bubble arranged on the fixed clamping seat, a plurality of adjustable supporting legs arranged at the bottom of the fixed clamping seat, a positioning base arranged on the fixed clamping seat, the positioning base is provided with a plurality of clamping holes used for containing H-shaped steel fixing clamps and enabling the H-shaped steel fixing clamps to be in a vertical state, and the size of an inner cavity of each H-shaped steel fixing clamp is the same as the size of the section of H-shaped steel to be inserted into the equal-thickness cement-soil wall. The H-shaped steel positioning device has the beneficial effects that the H-shaped steel can be accurately positioned in the equal-thickness cement-soil wall, the inserting perpendicularity of the H-shaped steel in the equal-thickness cement-soil wall is effectively improved, the longitudinal and transverse deviation and the perpendicularity of the H-shaped steel are accurately controlled, and the perpendicularity of the inserted section steel meeting the requirements of specifications is not larger than 1 / 250.
Owner:MCC SOUTHERN CITY CONSTR ENG TECH CO LTD +1

Elevator control cabinet with insulation function

The utility model discloses an elevator control cabinet with an insulation function, and aims to solve the technical problems that in the prior art, when an equipment frame is replaced or maintained, the whole control cabinet often needs to be disassembled, inconvenience is caused, and potential safety hazards possibly occur in the operation process. The elevator control cabinet comprises a vertical control cabinet, two sealing cabinet doors capable of being opened and closed are arranged on one side of the vertical control cabinet, and an electric leakage detector is arranged on the outer side of the vertical control cabinet; the movable rectangular clamping blocks are arranged at the four end corners in the vertical control cabinet, the rectangular equipment frame is arranged among the multiple rectangular clamping blocks, the rectangular equipment box is arranged on the other side of the vertical control cabinet, the rectangular equipment frame can be effectively clamped, the vertical control cabinet can flexibly adapt to rectangular equipment frames of different models, stable installation of the vertical control cabinet is ensured, and the service life of the vertical control cabinet is prolonged. And an insulating rubber material is arranged in the rectangular clamping block, so that the insulating efficiency is greatly improved.
Owner:HUZHOU WEIMAN INTELLIGENT SCIENCE & TECHNOLOGY CO LTD

Building waterproof roll construction device

The invention relates to a building waterproof roll construction device. The device comprises a bearing box; the laying mechanism is used for storing, laying and scattering waterproof coiled materials; the moving mechanism is used for realizing automatic movement of the bearing box along the top surface and the side surface of the building outer wall; the moving mechanism comprises a horizontal control assembly used for achieving movement of the bearing box along the top face of the outer wall of the building. The vertical control assembly is used for achieving movement of the bearing box along the side face of the building outer wall; the horizontal control assembly comprises a horizontal rail parallel to the top face of the building outer wall and a horizontal power part used for controlling the bearing box to automatically move along the horizontal rail. And the horizontal connecting part is used for realizing the connection between the horizontal power part and the bearing box. After the laying direction is converted, the effect of automatically and intelligently laying the waterproof coiled materials on the top face and the side of the building outer wall is achieved.
Owner:WUHAN TIANJIU CONSTR ENG CO LTD

Compact layered water intake tower convenient to overhaul

The compact layered water intake tower comprises a working chamber of a vertical structure, the top of the working chamber is connected with a control chamber, the side surface of the working chamber is connected with a lug room, and the interior of the working chamber is connected with a water diversion treatment section; the control room is provided with opening and closing equipment, the working room comprises an upper-layer water taking section, a middle-layer water taking section and a lower-layer water taking section, and an orifice is formed in the right side of the working room and higher than the upstream water level A vertical control gate groove is formed in the working chamber and is in sliding fit with the control gate; a plurality of access doors are vertically formed in the surface of one side of the working chamber; the device solves the technical problems that in the prior art, too many service gates of a water intake tower are arranged in the horizontal direction, equipment in a working room is not arranged compactly, the service gates are too large in size and inconvenient to overhaul, the trash holding structure is incomplete, and large potential safety hazards exist, the ball valves are used for replacing emergency gates, and the function of convenient and fast installation is achieved; and when an accident occurs, the ball valve can be rapidly and emergently closed, and danger is avoided.
Owner:CHINA THREE GORGES UNIV

Control method and control device of unmanned vehicle, electronic equipment and storage medium

The invention relates to the technical field of vehicles, and discloses an unmanned vehicle control method and device, electronic equipment and a storage medium, and the method comprises the steps: responding to a received starting control signal sent by a mobile terminal, and waking up a controller system of a target vehicle; parameter information of the target vehicle is obtained from the controller system, and whether the target vehicle meets control conditions or not is judged according to the parameter information; in response to the condition that the target vehicle meets the control condition, generating an enable signal, and feeding back the enable signal to the mobile terminal; wherein the enable signal is used for unlocking a control function of the mobile terminal; and in response to the received vehicle control signal sent by the mobile terminal, controlling the attitude of the target vehicle according to the vehicle control signal. According to the method, longitudinal, transverse and vertical control of the vehicle can be achieved, a user can observe the terrain outside the vehicle and accurately control the driving path of the vehicle, wrong operation caused by the limited sight line and the view blind area is avoided, and the user can better enjoy the pleasure of driving.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD +1

Intelligent control method and device of in-mold injection molding up and down material automatic machine

The disclosure provides an intelligent control method and device for an in-mold injection molding up-down machine, relating to the technical field of injection molding control. The method comprises: conveying a quantitative raw material to an injection molding machine through an up-loading automatic machine; constructing a device correlation space; constructing a vertical verification space and distributing a vertical detection sensor; setting down-loading machine control data; controlling the movement of the down-loading machine, generating a vertical control instruction after the vertical verification of the grabbing unit is passed; controlling the vertical landing of the grabbing unit and performing contact detection on the grabbing unit; triggering a cooperative control instruction; synchronously controlling the ejection device and the grabbing unit to perform down-loading grabbing, and completing down-loading control. The present disclosure can solve the technical problems of high safety risks, long injection molding cycle and low efficiency in the prior art due to manual up-down loading and low up-down loading efficiency, achieve the goal of improving the efficiency of injection molding up-down loading, and achieve the technical effects of reducing the injection molding cycle, improving the efficiency and reducing the safety risks.
Owner:JIAXING DEXIN ELECTRONIC TECH CO LTD

Aircraft constraint system for I-shaped orbit constraint and flight constraint method for limiting trajectory

The invention discloses an aircraft restraining system restrained by an I-shaped track and a flight restraining method used for limiting the track. The I-shaped track comprises a track top plate, a track bottom plate and a middle vertical plate. Each set of control surface adjusting device comprises a height constraint adjusting mechanism and a direction constraint adjusting mechanism; horizontal control surfaces on two sides of the aircraft at the same spanwise position are correspondingly connected with a set of height constraint adjusting mechanism, and a vertical control surface is connected with one or two sets of direction constraint adjusting mechanisms; the height and direction restraining and adjusting mechanism and a track structure on one side of the I-shaped track form a floating connecting structure; in the process that the aircraft flies along the I-shaped track, the horizontal control surface is driven by the height constraint adjusting mechanism to deflect, and the vertical control surface is driven by the direction constraint adjusting mechanism to deflect, so that reverse acting force is generated, and the relative distance between the aircraft and the I-shaped track is kept within a preset range. The problems existing in a traditional ground traffic transportation form and an eVTOL transportation form are solved.
Owner:CHINA HELICOPTER RES & DEV INST

Method and device for calibrating pose of ball camera at fully mechanized coal mining face

The application provides a kind of ball machine camera pose calibration method and device of fully mechanized working face, method includes: pixel level multi-target identification is carried out to original sampling image, and multiple target semantic annotation image is obtained, the angle calculation of horizontal direction and vertical direction is carried out to the target component marked respectively, and sampling horizontal rotation angle and sampling vertical pitch angle are obtained;According to sampling horizontal rotation angle, sampling vertical pitch angle and sampling posture parameter, pose calibration function is constructed, and the pose calibration of target horizontal rotation angle to be calibrated and target vertical pitch angle to be calibrated is carried out, horizontal control instruction value and vertical control instruction value are generated, the coordinate system mapping relationship directly established with the structure of fully mechanized working face as reference is established, and the calibration result can be self-adaptive to the dynamic change of working face advancing and equipment moving, and full-automatic pose calibration can be realized only by relying on the image shot by camera itself, which provides accurate and reliable basic support for coal winning machine following machine control, intelligent inspection and other applications.
Owner:XIAN HUACHUANG INTELLIGENT CONTROL AUTOMATION CONTROL SYSTEM CO LTD

Determination method and system of prediction speed model, storage medium and equipment

The embodiment of the invention provides a method and system for determining a prediction speed model, a storage medium and equipment, and relates to the field of oil exploration seismic data processing, and the method comprises the steps: obtaining a plurality of speed model labels through controlling a speed longitudinal control line to slide up and down on a VSP zero offset speed model; performing ray tracing forward modeling on the speed model label to obtain corresponding first arrival travel time data; marking the respective corresponding first arrival travel time data through each speed model label, and constructing a training data set; training an initial neural network model through the training data set to obtain a target neural network model which is qualified in training; and inputting the actual first arrival travel time data into the target neural network model for speed model prediction, and obtaining a predicted speed model corresponding to the actual first arrival travel time data. According to the method, the prediction precision of the target neural network model is improved.
Owner:CHINA NAT PETROLEUM CORP +2

A hydraulic climbing formwork intelligent control system and its climbing method

This invention discloses an intelligent control system and climbing method for hydraulic climbing formwork, relating to the field of hydraulic climbing technology for curved bridge tower concrete structures. It includes a BIM model, a vertical movement control module for the formwork, a horizontal control module for the formwork, and a hydraulic servo system. The BIM model is used to query the coordinates of key points on the main tower segment to be climbed, and simultaneously configures preset joint variables during formwork movement to drive automatic climbing. The vertical control module monitors whether the joint variable movement status meets preset requirements during formwork movement, and adjusts the joint variable parameters according to the actual status of the "formwork status monitoring" module to ensure the vertical movement and positioning of the formwork. This intelligent hydraulic climbing formwork control system establishes a main tower formwork angle control function based on design drawings, and establishes a function with height as the independent variable for each adjustable arc formwork and rearward movement device, outputting the adjustment amount of each adjustment system to achieve automatic matching of the formwork shape and high structural construction accuracy.
Owner:CHINA CONSTR FOURTH ENG DIV CORP LTD +1

Method and system for extracting behavior features of monitoring video based on spatio-temporal graph convolution network

The present application belongs to the technical field of computer vision and image data processing, and relates to a monitoring video behavior feature extraction method and system based on a space-time graph convolution network. The method comprises the following steps: first, extracting human body skeleton key points from the monitoring video and performing scale normalization based on the torso length; second, calculating a vertical control deviation value reflecting the degree of vertical gravity control loss of the human body and a trajectory oscillation entropy reflecting the degree of disorder of the motion trajectory; third, using the vertical control deviation value and the trajectory oscillation entropy to construct an adaptive weight function to generate a behavior anomaly weighting coefficient; and finally, weighting the to-be-identified skeleton features using the behavior anomaly weighting coefficient and inputting the space-time graph convolution network for identification. The present application can effectively distinguish behaviors that are similar in spatial geometric shape but different in physical nature, thereby reducing the false positive rate in industrial scenarios.
Owner:ANYU HEZHONG TECH CO LTD

Vertical control method for ultra-deep foundation pit slot milling machine

The invention provides a vertical control method for an ultra-deep foundation pit slot milling machine, and belongs to the technical field of vertical control of slot milling machines. During the working period of the ultra-deep foundation pit slot milling machine, a control system of the ultra-deep foundation pit slot milling machine collects basic parameters and data; the control system of the ultra-deep foundation pit slot milling machine constructs a deviation risk prediction model; the control system of the ultra-deep foundation pit slot milling machine implements a real-time self-adaptive adjustment mechanism; and the control system of the ultra-deep foundation pit slot milling machine performs prediction model self-updating and feedback optimization. By means of the method, the detection frequency can be dynamically adjusted according to the soft soil characteristics, the construction state and the deviation trend, automatic encryption is achieved in deviation sensitive intervals such as 20-30 m, the number of invalid detection times is reduced by 30% compared with fixed frequency detection, and meanwhile the deviation omission ratio is reduced to 5% or below.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD

Wheel-legged unmanned platform longitudinal-vertical control method, system and device

The application discloses a longitudinal-vertical control method, system and device for a wheel-legged unmanned platform, and relates to the field of unmanned platform control. The method comprises the following steps: determining an equivalent passive damping system; constructing a longitudinal dynamics system of a wheel-legged system and a vertical dynamics model of the wheel-legged system; respectively acquiring longitudinal key responses and vertical key responses; establishing longitudinal control targets according to the longitudinal key responses; establishing vertical control targets according to the vertical key responses; determining a longitudinal-vertical control target function of the wheel-legged system; determining an active controller based on the longitudinal dynamics system of the wheel-legged system and the vertical dynamics model of the wheel-legged system by using an active control algorithm according to the target function; and equivalently converting the longitudinal active control force and the vertical active control force into joint torque of each wheel leg for control. The application can reduce the vibration negative effect of the unmanned platform caused by large road excitation, and improve the driving safety and stability of the wheel-legged unmanned platform.
Owner:BEIJING INST OF TECH

Vision-based unmanned aerial vehicle autonomous obstacle avoidance and dynamic landing method and system

The application discloses a kind of unmanned aerial vehicle autonomous obstacle avoidance and dynamic landing method and system based on vision.The method comprises the following steps: collecting environment image, identifying landing platform and obstacle and tracking and positioning landing platform;Based on obstacle information, threat assessment is carried out, and environment state description is generated by encoding vision and threat information;Based on landing platform position, reward information is constructed, and environment state description is input into autonomous decision network, after feature fusion of reward information and environment state description in horizontal control sub-network, horizontal motion decision is output, and vertical control sub-network outputs vertical motion decision;According to motion decision, control instruction is generated, unmanned aerial vehicle is controlled to avoid obstacle and land to landing platform.The application converts vision information into structured state description by threat assessment mechanism, and guides decision process by fusing reward information and state features, realizes autonomous obstacle avoidance and accurate landing in complex environment.
Owner:XIAN UNIV OF TECH

Deep complex tectonic zone structure simulation method and device

The invention provides a deep complex tectonic zone structure simulation method and device. According to the seismic data of the target area, determining boundary condition parameters and structural evolution stage division information; determining construction loading control parameters according to the boundary condition parameters; obtaining a target simulation stratum of each stage according to the structural evolution stage division information; according to the structure loading control parameters, the transverse control module and / or the longitudinal control module are / is controlled to carry out corresponding extrusion operation on the target simulation stratum of each stage so as to simulate and form a target structure belt of each stage; and a data acquisition module is used for acquiring stress response data and tectonic deformation image data of a target tectonic zone at each stage in the extrusion process, determining stratum response characteristics under the loading of the target simulated stratum structure, and determining an evolution process of the stratum and mechanical control characteristics of the stratum according to the stratum response characteristics. Therefore, the tectonic evolution process is more accurate and controllable, and the consistency of a simulation result and actual geological evolution is improved.
Owner:CHINA UNIV OF PETROLEUM (BEIJING)

Vehicle driving control methods, devices and storage media

This application discloses a vehicle driving control method, device, and storage medium, belonging to the field of vehicle control technology. The method includes: acquiring video images of the road ahead of the vehicle; extracting edge information of the vehicle ahead from the video images, including the bottom edge line of the vehicle ahead; calculating the vertical displacement of the bottom edge line of the vehicle ahead; determining the degree of potholes in the road ahead based on the vertical displacement, including no potholes, slight potholes, and severe potholes; and adjusting the vertical control of the vehicle in response to whether the pothole degree is slight or severe. This allows for advance preparation for potholes on the road ahead, enabling the vehicle to predict and adapt to the degree of potholes, thereby improving the safety and stability of the vehicle when driving on pothole-prone roads while controlling costs and energy consumption.
Owner:CHERY AUTOMOBILE CO LTD