96 results about "Vehicle detector" patented technology

An intelligent traffic management device for optimizing traffic flow at one or more intersections using reinforcement learning, comprising: a central control unit housed in a weatherproof enclosure and mounted on a structural support near an intersection; a sensor interface operatively connected to a variety of multimodal sensors, including at least radar-based vehicle detectors, inductive loop sensors embedded in the road surface, infrared pedestrian detection detectors, and high-resolution optical imaging modules; a powerful embedded computing unit consisting of a multi-core processor and a GPU configured for on-device inference; a reinforcement learning engine embedded in the computing unit, comprising a deep reinforcement learning model trained to map environmental states defined by traffic-related sensor inputs to optimized action policies for traffic light control; a signal actuation module electrically connected to traffic signal controllers, with action policies outputting signal phase durations and transitions in real time; a communications module supporting wireless connectivity and configured for device-to-device communication and cloud synchronization; a policy synchronization module configured to perform federated learning-based updates of model parameters by exchanging gradient weights or distilled traffic state vectors with neighboring intelligent traffic management devices deployed in a traffic network; where the reinforcement learning engine continuously observes traffic state vectors consisting of vehicle counts, average speeds, queue lengths, and pedestrian activity, and dynamically updates the policy to maximize cumulative traffic throughput and minimize average delay.

A method to prevent intoxicated operation is described. The method includes providing instructions to a vehicle user to position a vehicle user body portion posture in a predefined alignment. The method further includes obtaining the vehicle user body portion posture from a first vehicle detector, and determining whether the vehicle user body portion posture is in the predefined alignment. The method includes activating a plurality of vehicle visual indicators to illuminate in a predefined manner when the vehicle user body portion posture is in the predefined alignment. The method further includes providing instructions to the vehicle user to move vehicle user eyes to track the plurality of vehicle visual indicators, and obtaining a vehicle user eye movement from a second vehicle detector. The method further includes determining whether the vehicle user eye movement meets a predetermined condition, and actuating a control action accordingly.

The invention discloses a road traffic inspection method and system based on big data processing, and particularly relates to the technical field of road inspection. Multi-source data such as a floating car Beidou, a car detector, an accident platform, a structure sensor and weather are accessed in real time and cleaned uniformly, and multi-dimensional indexes of congestion, accidents, road surfaces, structures and environments are constructed; dynamically dividing each kilometer of road section into 1-4 levels of risks; according to a grading result, introducing three factors including a risk change rate, a last inspection interval and an emergency, and calculating a dynamic inspection priority of each road section in real time; and finally, by using an improved VRPTW-PW algorithm, generating a routing inspection path with the shortest driving and the highest priority under the constraints of vehicle endurance and real-time road conditions. The system comprises a multi-source data fusion module, a dynamic grading module, a frequency tuning module, a path planning module and a closed-loop feedback module, the hidden danger discovery rate can be remarkably increased, the empty driving rate is reduced, and the precision and intelligence of road inspection are achieved.

A map generation apparatus including an in-vehicle detector detecting a situation around a subject vehicle and a microprocessor. The microprocessor is configured to perform extracting feature points from detection information detected by the in-vehicle detector, selecting first feature points from the feature points, calculating three-dimensional positions of the first feature points included in each of a plurality of the detection information while estimating a position or posture of the in-vehicle detector based on the plurality of the detection information, and generating a map including information of the three-dimensional positions of the first feature points. The microprocessor is configured to perform the selecting including selecting the first feature points other than a feature point of a predetermined landscape feature from the feature points, and the generating including adding information on a position of a second feature point not selected among the feature points to the map.

The invention discloses an infrared vehicle detection adversarial patch generation method based on a particle swarm optimization algorithm, and belongs to the technical field of infrared image processing and security attack. The method comprises the following steps of: firstly, performing vehicle segmentation on an input infrared image by using an image segmentation model to obtain an accurate vehicle segmentation mask for positioning a subsequent patch; thirdly, initializing an adversarial patch according to the segmentation mask, inputting the adversarial patch into an infrared vehicle detection model (such as YOLOv5) for detection, and generating a preliminary adversarial sample; then, defining a new loss function, and optimizing the generated adversarial patch by minimizing the confidence score of a detector on the patch, so as to enhance the attack effect; and finally, iteratively optimizing the position and the shape of the patch by adopting an improved particle swarm optimization (PSO) algorithm in combination with a shape optimization module so as to maximize the attack success rate, and ensuring the robustness and the adaptability of the patch in a real environment in combination with an expectation transformation (EOT) technology. According to the method, the attack success rate of the infrared vehicle detector is remarkably improved, and an innovative and efficient solution is provided for attack resistance of the infrared vehicle detector.

The invention discloses a configurable dynamic vehicle-mounted dimming method and system for tunnel lamp illumination, and the method comprises the following steps: dividing a target tunnel into a plurality of dimming sections, further dividing a dimming loop in each dimming section, and carrying out the deployment of an illumination unit and an incoming vehicle detector based on a division result; a dimming counting interval of a logic level is constructed, a dynamic mapping relation is established between the dimming counting interval and a dimming loop of a physical level, and the dimming counting interval is a minimum logic unit used for vehicle tracking and counting; an independent vehicle counter is configured for each dimming counting interval, and a counting updating rule is set; configuring a security policy for counting function activation and dimming execution; and responding to the triggering of the coming vehicle detector, updating the vehicle count in the dimming counting interval in real time, and adjusting the brightness of the dimming loop based on the security policy. Compared with the prior art, the configurable dynamic vehicle-mounted dimming method and the configurable dynamic vehicle-mounted dimming system have remarkable progress in the aspects of energy conservation and safety.

1. The name of the design product: vehicle detector. 2. The use of the design product: vehicle detector for parking lock. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The utility model relates to a high-precision vehicle detector for motor vehicle detection, and aims to solve the technical problems that a light source and a detector of an infrared vehicle detector are blocked by dust at present, so that signal transmission is insensitive, the detection precision and sensitivity of the infrared vehicle detector are influenced, manual cleaning by personnel is needed, and the operation is troublesome. A transparent detection window is installed at one end of the stand column, a protection mechanism is arranged at the end, away from the transparent detection window, of the stand column and comprises an arc-shaped cover installed on the outer side of the stand column, and one end of the arc-shaped cover is provided with an opening. The brush roller can rotate automatically, the cleaning effect of the brush roller on the transparent detection window is improved, the cleaned brush roller is rotationally arranged in the arc-shaped cover, and the situation that the brush roller is exposed to the outer side and adsorbs a large amount of dust to affect the cleaning effect of the brush roller and the transparent detection window is avoided through cooperation with the shielding plate.

1. The name of the design product: vehicle detector. 2. The use of the design product: used for diagnosing and calibrating the advanced driver assistance system of the vehicle, and four-wheel positioning of the vehicle, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The utility model discloses a front railing machine collision prevention device which comprises a shell, a rotating motor is installed on the outer surface of the shell, symmetrical first bearings are embedded in the inner wall of the shell, the inner rings of the two first bearings are jointly connected with a worm, and the output end of the rotating motor is connected with one end of the worm through the first bearings. According to the anti-collision device of the front railing machine, the worm can be driven to rotate through the rotating motor, the worm is meshed with the worm gear, the worm gear drives the baffle to ascend and descend, a vehicle is blocked, the anti-collision device has the self-locking performance, when damage occurs, the stop lever cannot automatically fall, and when the vehicle is detected through the microwave infrared vehicle detector, the anti-collision effect is good. When it is dark, the power supply assembly supplies power to the light bar, and the light-operated switch controls the light bar to light automatically, so that a driver can clearly see whether the stop lever is lifted or not, and the stop lever is prevented from being collided by mistake.

The application discloses a physically realizable constrained vehicle target anti-recognition method and system and a storage medium, and belongs to the field of adversarial attacks of deep learning methods, and the method comprises the following steps: in the training stage, a remote sensing image of an adversarial target vehicle in a physical world is acquired; the generation position and size of an adversarial block in the remote sensing image are determined; a corresponding random initial adversarial block is generated according to the generation position and size of the adversarial block, so that an adversarial sample image is obtained; the adversarial sample image is input into a vehicle detection network, the color composition of the adversarial block is trained, and the training is stopped until the loss converges or the set number of training times is reached, and a trained adversarial block is output; in the prediction stage, the trained adversarial block is used for physically realizable constrained vehicle target anti-recognition. The method has physical realizability and high applicability, can be applied to appearance protection processing of special vehicles against deep neural network vehicle detectors, and enhances the concealment of the special vehicles when facing the deep neural network vehicle detectors.

The utility model provides a kind of low altitude security spectrum unmanned aerial vehicle detector, including substrate, the top of the substrate is fixedly installed with box, the bottom of the box is fixedly installed with positioning mechanism, the moving end top of the positioning mechanism is fixedly installed with buffer clamp group, the top of the positioning mechanism is fixedly installed with detector body by buffer clamp group clamping installation, the back upper end of the box is fixedly installed with hinged part, the main buffer spring of the buffer clamp group, side buffer spring and damper of the device adopt synergistic effect, can effectively absorb and slow down the vibration generated in the jolt of transportation or use, avoid detector body damage, make up the deficiency of prior art without buffer structure, ball on side clamping plate and bearing plate, not only reduce clamping friction damage, also auxiliary adjustment detector position, enhance clamping stability, provide reliable protection for detector body, satisfy the demand of actual application to stable protection.

The present invention relates to an improved router data device of roadway equipment that mainly provides all roadway equipment with functions to receive and record the return data transmitted from roadway equipment, such as vehicle detector, changeable message sign, automatic vehicle identification, traffic signal controller, electronic tag and other devices within a specific area, through such an improved router data device that uploads the return traffic data to a management platform center side for analyzing the state of the roadway equipment. The present invention provides effective security monitoring on the roadway equipment, increases the availability and maintenance efficiency of the roadway equipment.

The utility model belongs to the technical field of car washers, and particularly relates to a car washer air compressor automatic start-stop control device which comprises a car washer, a car detector is arranged at one end of the car washer and used for detecting whether a car exists in the car washer or not, and an air compressor is arranged at the other end of the car washer and used for detecting whether the car exists in the car washer or not. The air compressor comprises an air storage tank and a motor, a pressure sensor is arranged at an outlet of the air storage tank and used for monitoring the pressure value of the air storage tank in real time, and the air compressor further comprises a controller used for receiving signals of the pressure sensor and a vehicle detector. According to the scheme, invalid starting and stopping are effectively reduced, and frequent starting of the air compressor caused by chronic air leakage is avoided through double-condition judgment of pressure and the vehicle state; meanwhile, the service life of equipment is prolonged, the action times of components such as a motor, a contactor and a valve are reduced, and the estimated service life is prolonged by 30%-50%.

The application discloses a traffic intersection traffic light control method, including collecting real-time data, presetting pedestrian quantity range, presetting vehicle flow length range, calculating special vehicle intersection, special vehicle active regulation communication light, traffic accident dredging. The application obtains the latitude and longitude coordinate information of the special vehicle position and the latitude and longitude coordinate information of the intersection center position captured by the corresponding Beidou positioning equipment of the vehicle detector through the signal control machine, calculates the special vehicle driving path intersection, controls the traffic signal lamp of the special vehicle driving direction intersection to be green by the signal control machine, timely opens the green channel for the special vehicle, provides more efficient and safe driving route for the special vehicle, improves the emergency response speed and rescue efficiency; according to the vehicle flow and the pedestrian flow, the traffic intersection traffic light is regulated, the change of the traffic flow can be responded in real time, and the road traffic capacity and the traffic management level are improved.

A vehicle driving control system including a vehicle detector to detect a target vehicle and calculate position information and movement information on the target vehicle, a lane detector to recognize a lane in which a subject vehicle is traveling and to calculate lane information on the lane, and a determiner to determine cut-in or cut-out of the target vehicle based on relative movement between the subject vehicle and the target vehicle in a horizontal direction or change in a length of the lane.

The invention relates to the technical field of air pollution dust removal, in particular to an efficient rotary dust removal device for steel scrap cutting in a steelmaking workshop, which comprises a mounting frame, a dust removal box is fixedly connected to the top of the mounting frame, a dust removal pipeline is arranged at the bottom of the dust removal box, a rotating mechanism is arranged at one end of the dust removal pipeline, and the rotating mechanism comprises a communicating pipe. The top of the communicating pipe is communicated and fixedly connected to the dust removal pipeline through a first flange plate; by arranging the rotating mechanism, a second motor is started, an output shaft of the second motor drives a second gear to rotate, the second gear drives a first gear to rotate, the first gear drives a second flange plate to rotate, the second flange plate drives a dust removal air pipe and a dust removal cover to rotate, and the dust removal cover rotates according to needs; and dust can be effectively removed in a rotating radius area, and whether a crane is lifted to approach or not can be detected through a crane detector, so that the function of automatically avoiding the lifting crane is realized.

This utility model relates to the field of vehicle inspection technology and provides an automatically positioning vehicle detector device, including a support plate with a sliding groove and a cavity. A screw is rotatably mounted on the inner wall of the sliding groove, with one end of the screw extending into the cavity. A slider is threaded onto the screw and slidably connected to the inner wall of the sliding groove. An electric slide rail is fixedly mounted on the top of the slider, and a housing is fixedly mounted on the sliding block of the electric slide rail. A camera for detecting the underside of a vehicle is fixedly mounted on the top of the housing. The automatically positioning vehicle detector device provided by this solution solves the technical problem that existing detectors, when detecting the underside of a vehicle, cannot mark and locate problem areas, resulting in additional time spent locating the specific damage location in subsequent processing, thus reducing repair efficiency.

The present invention relates to a cloud-based roadway equipment monitoring system that mainly provides and constructs a plurality of servers to receive and record the return data transmitted from all roadway equipment, such as vehicle detector, changeable message sign, automatic vehicle identification, traffic signal controller, electronic tag and more, within a specific area through a router monitoring data device that replaces the existing internet-connected router-modem devices. The present invention can monitor, record, and prevent hacker invasion to enhance the availability of devices of the roadway equipment and help the traffic control center to clarify responsibility of equipment vendors.

The present invention relates to a router monitoring data device of roadway equipment that mainly provides all roadway equipment with functions to receive and record the return traffic data transmitted from a plurality of roadway equipment, such as vehicle detector, changeable message sign, automatic vehicle identification, traffic signal controller, electronic tag and other devices within a specific area through such a router monitoring data device that uploads the return traffic data to a management platform center side for analyzing the state of the roadway equipment. The present invention provides effective security monitoring on the roadway equipment, prevents attack from hackers, and averts the content of return traffic data transmitted by the roadway equipment from being tampered.

1. The name of this design product: Vehicle detector. 2. Purpose of this design product: used as a vehicle detector. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

To provide a technology that allows a staff member to visually confirm the state of a first vehicle detector S1 by displaying the state of the first vehicle detector S1 every time a vehicle passes. [Solution] A vehicle detector status detection system according to an embodiment comprises a vehicle detector, a lane server, and a lane monitoring control device, wherein the vehicle detector comprises a communications control unit that transmits detection results including optical axis sensor information from an optical axis sensor that detects vehicles, and tread sensor information including sensor information acquired from a tread sensor, direction of travel, and number of axles, the lane server comprises a communications control unit that transmits the detection results and vehicle information including a serial number that uniquely identifies the vehicle, and the lane monitoring control device comprises a status information generation unit that generates status information representing the status of the optical axis sensor and tread sensor based on the vehicle information, and a display control unit that controls the status information to be displayed on a display together with the serial number.

The utility model discloses an infrared vehicle detector which comprises a stand column shell, an infrared detection module is arranged in the stand column shell, a glass window is arranged on the front face of the stand column shell, a fixing frame is arranged on the inner side of the glass window, and the fixing frame is used for fixing the infrared detection module and enabling the infrared detection module to be close to the glass window. A side opening door is arranged on one side face of the stand column shell, a first brim window structure is arranged on the side opening door, and a second brim window structure is arranged on the other side face of the stand column shell. The infrared detection module is close to a glass window, the initial emission distance of a light source is reduced, the problems of light source refraction and receiving are effectively solved, the detection effect of a vehicle is improved, the device can be suitable for high and low temperature environment operation, the overall operation is more stable, the installation and maintenance cost is reduced, and the appearance is neat and attractive. And the hardware equipment investment and implementation cost of an enterprise in intelligent and informatization project construction are reduced.

The utility model relates to a parking stall lock technical field, specifically disclose a kind of suspension type parking stall lock, comprising: lock body, install in the upper space of parking stall, for blocking or limiting vehicle to enter parking stall;Driving mechanism, the driving mechanism is installed on the garage above parking stall, and it is flexibly connected with lock body by connecting piece, so that its lock body is hung in the upper space of parking stall;Vehicle detector and siren;The driving mechanism includes the signal receiver for controlling start, and the signal transmitter compatible with signal receiver;The utility model starts siren after detecting vehicle to enter parking stall by vehicle detector, to remind driver to move car or remote call property or parking stall owner to handle parking stall being occupied;And lock body is hung in the upper space of parking stall by driving mechanism through connecting piece, can avoid being influenced by parking stall ponding.

To preferentially search for vehicles similar to a vehicle that a user has used before.SOLUTION: A vehicle search device 26 includes: a reception unit 34 for receiving a request to use a vehicle 18 from a user; and a search unit 36 for searching for a vehicle to use, including re-arrangement of search results, on the basis of use request information (first information) regarding a request to use the vehicle 18 received by the reception unit 34 and use record information (second information) regarding the vehicle 18 that a user has previously used.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of vehicle detection, in particular to a vehicle detector with fault detection output, which comprises a vehicle fault detection structure box, a driving motor is fixedly mounted on the inner side of the vehicle fault detection structure box, a pinion is fixedly mounted at the output end of the driving motor, and a bull gear is meshed with the side edge of the pinion. An output shaft is fixedly installed at the axis position of the large gear, the output shaft is fixedly installed on the inner side of the vehicle fault detection structure box and rotationally penetrates through the lower side of the vehicle fault detection structure box, and a stabilizing sleeve is fixedly installed at the bottom of the vehicle fault detection structure box and rotationally arranged on the outer side of the output shaft in a sleeving mode. A torsion detection mechanism is arranged on the outer side of the output shaft; the torsion detection mechanism comprises a rotating speed sensor and a torsion sensor. Through the arrangement of the torsion detection mechanism, whether the looseness resistance of the vehicle connecting bolt is qualified or not can be accurately detected, potential safety hazards caused by looseness of the bolt are avoided, and the safety performance of a vehicle is improved.

The application relates to a port scheduling simulation system and method considering automatic driving precision regulation and control, and the method comprises the following steps: S1, setting a vehicle detector in the simulation system, the vehicle detector being used for detecting vehicles entering a work point in real time; S2, setting a vehicle queue of a quay crane / yard crane loading and unloading service, and simulating a first-come-first-served service mode; S3, starting simulation, recording vehicle states and work equipment states at the end of each simulation step; S4, setting or removing a vehicle path in the simulation system; S4, setting / removing a parking line in the simulation system, so that parking work simulation is realized; S5, taking the vehicle states and the work states as inputs, and performing single-step solving of a model; and S7, taking a scheduling algorithm to be evaluated as an input of the simulation system, and performing joint simulation with the simulation system. Compared with the prior art, the application can accurately simulate an automatic container port work scene, so that the scheduling algorithm can be evaluated and tested, work efficiency is improved, and operation cost is reduced.

A vehicle driving control system including a vehicle detector to detect a target vehicle and calculate position information and movement information on the target vehicle, a lane detector to recognize a lane in which a subject vehicle is traveling and to calculate lane information on the lane, and a determiner to determine cut-in or cut-out of the target vehicle based on relative movement between the subject vehicle and the target vehicle in a horizontal direction or change in a length of the lane.

The utility model relates to the field of dust removal, and discloses a fixed-point unloading area wet dust removal system which comprises a trapping cover, a wet dust remover, a fan, a chimney, a closed chamber, an electric roller shutter door, a dry fog dust suppression system, an electric control air valve, a vehicle detector, a visual sensor and a PLC (Programmable Logic Controller) which are connected in sequence, the closed chamber is arranged outside the discharging area in a surrounding mode, the electric roller shutter door is arranged on the closed chamber, a dry fog spray head of the dry fog dust suppression system is arranged in the closed chamber, the electric control air valve is arranged on a ventilation pipeline connecting the collecting cover and the wet dust remover, and the vehicle detector is arranged outside the closed chamber and located below the electric roller shutter door. The visual sensor is arranged outside the closed chamber and located above the electric roller shutter door, the signal input end of the PLC is in communication connection with the vehicle detector and the visual sensor, and the signal output end of the PLC is in electric signal connection with the dry fog dust suppression system and the electric control air valve. The dust concentration at the inlet of the dust removal system can be reduced, and the energy consumption of the dust removal system can also be reduced.

1. Name of the product in this design: Vehicle detector (125). 2. Purpose of this design: to control the drop of vehicles at parking lot gates and prevent them from being smashed, as well as to trigger signals in other scenarios. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1. 5. This is demonstrated through the submitted 3D and 4D diagrams, omitting the left and right views.