76 results about "Driving test" patented technology

The invention relates to a contact type large heterotypic glass gabarit detection device and a method based on rotary-straight line motion. The device comprises a computer and a test desk which is used for arranging detected heterotypic glass and can do straight line motion and rotary motion. The computer is connected with a motion control card through a bus line. The motion control card is connected with a connection board through an I / O interface. The connected board is connected with a straight line motion servo driver, a rotary motion servo driver and a displacement sensor. The straight line motion servo driver is connected with a first servo motor which does carry out the straight line motion on the driving test desk. The rotary motion servo driver is connected with a second servo motor which does the rotary motion on the driving test desk. The displacement sensor is used to detect the displacement of a contact wheel which maintains contact with the heterotypic glass gabarit. The device utilizes the contact wheel to collect the information of the glass gabarit, considers the motion states of the test desk and the contact wheel, combines the real time positions of sampling points gained from the rotary motion and straight line motion, calculates and fits the data in computer, and gets the gabarit curve of the heterotypic glass. The device does not need template, takes up small space, has simple structure and low cost, and is convenient to be used.

The invention provides a method for evaluating efficiency of a hybrid traffic system under the participation of an autonomous vehicle. The method comprises steps of building an autonomous vehicle behavior model, a microcosmic vehicle following model under the condition of a mixed flow, and a regional traffic capacity and road network bearing capacity model through taking the operation demands of the autonomous vehicle in the mixed flow as research cuts-in; analyzing the mixed traffic flow macroscopic law and the vehicle microscopic traffic behavior uncertainty, and constructing a mixed traffic flow index evaluation system under different environment scenes. The method is advantaged in that research entry points of the automatic driving mixed flow are comprehensive, and systematic theoretical reference and guidance on the traffic control level are provided for vehicle launching, testing and the like of an automatic driving test field; the model theory in the system engineering is fully utilized to construct the overall efficiency model of the hybrid traffic system, the quantized data structure can better respond to automatic driving participants in the vehicle-road cooperative network, and a better reference basis is provided for traffic decision makers when the traffic decision makers carry out traffic control modes.

The invention provides an SCANeR-based automatic driving simulation test model construction method, which comprises the following steps of S1, deconstructing and reconstructing scene data, and extracting scene feature elements; S2, carrying out static scene editing according to the scene feature elements; S3, performing dynamic scene editing according to the scene feature elements; S4, interactingthe content in the step S2 and the content in the step S3 in SCANeR, and constructing a virtual driving test scene; and S5, determining whether a test condition is met or not, and if not, returning to the step S2; if so, starting testing. According to the SCANeR-based automatic driving simulation test model construction method of the invention, in combination with cloud computing, high-precisionmaps, virtual reality and other technologies, driving scene virtual simulation can extend tests to more application scenes, and therefore, the SCANeR-based automatic driving simulation test model construction method has a great acceleration propulsion effect on the research and development of automatic driving functions of L2 and above.

The invention discloses a port-environment-oriented man-machine hybrid automatic driving test method and a test platform thereof. On the basis of SCANeR, a vehicle driving environment required by a test is created; a vehicle model is established according to vehicle parameters, the detection of a simulation sensor is far away from a virtual vehicle-mounted sensor system, and whether the vehicle model can sense the road environment, plan a driving route automatically, and control the vehicle to reach a predetermined target through the vehicle-mounted sensor system of the vehicle model is detected in a virtual vehicle driving environment, and the boundary of the automatic driving function is verified. The vehicle model and the vehicle-mounted sensing system are virtualized, and virtual testing is firstly carried out; in a virtual test, real-time man-machine switching driving modes can be realized through a driving simulator, so that the vehicle driving safety is improved. Moreover, automatic driving trajectory planning, trajectory tracking and execution controller performance of the vehicle model under different traffic scenes can be virtualized according to test requirements in thevirtual test, so that the test cost is effectively reduced, and test efficiency is improved.

The present invention discloses a method for minimization of drive tests, a method for collecting terminal information, a terminal, and a network element, which belongs to the field of communication technologies. The method includes: in a process of activating a minimization of drive tests MDT task, checking, by a network element, a consent type of a user corresponding to a selected terminal; sending a MDT task activation command to the selected terminal according to a check result of the consent type; after receiving measured data reported by the selected terminal, performing an operation according to a check result of the consent type. In embodiments of the present invention, check on user consent is implemented in a network detection process, thereby avoiding a case that a user equipment is forced to report personal information without permission of the user and improving the user experience.

A method of providing location option control for Minimization of Drive Test (MDT) in LTE systems is provided. In one embodiment, a UE or an eNB receives an MDT location request that comprises an MDT location option configuration having one or more location options. The UE or eNB determines a first location option based on the MDT location option configuration and initiates positioning for MDT measurements, reporting, and logging according to the first location option. In one novel aspect, each location option is associated with a priority. In addition to MDT measurements, reporting, and logging, a UE determines the best positioning procedure from a list of available location options. In one novel aspect, under a specific positioning objective, the UE prioritizes the list of available location options based on the signal strength and / or quality of cellular and WLAN signals.

The invention discloses a detection method for the driving state of a vehicle. The detection method comprises the following steps: determining whether the moving speed of the vehicle is lower than a threshold of a parking speed; determining whether the moving speed of the vehicle is lower than a threshold for driving monitoring, and if so, executing a mileage acquisition step, or if not, executinga trajectory acquisition step; determining whether the vehicle is in a moving speed according to the data of a mileometer, and if so, executing the trajectory acquisition step; acquiring a GPS movingtrajectory within preset time, determining whether the GPS moving trajectory is continuously forwarding, and if so, executing a second determination step; and determining whether the direction of theGPS moving trajectory is consistent with the orientation of the head of the vehicle. The invention also provides an electronic instrument and a computer-readable storage medium. The detection methodfor the driving state of the vehicle in the invention determines the current driving state of the vehicle by combining GPS data and the data of the mileometer, so the accuracy of the driving state ofthe vehicle is improved, and the misjudgement rate of a driving test evaluation system is reduced.

Disclosed are a method and device for determining user equipment (UE) positioning information during a minimum drive test (MDT) process to ensure that during the MDT realization process, the acquisition of the UE position information is not limited by the positioning capabilities of a network positioning server or the UE, that is, a network side can determine the UE position information required by the MDT without the positioning support function of the positioning server and the UE. The method of the present invention for determining the user equipment (UE) positioning information during a minimum drive test (MDT) process comprises: selecting a UE in a connected state, and determining an MDT measurement result corresponding to the UE (S101); determining the UE positioning information, and adding the UE positioning information to the MDT measurement result corresponding to the UE (S102).

The present invention discloses an intelligent driving test data remote monitoring system. The system comprises a signal emission device, and an environmental perception module, a motion control module, a behavior decision module and a route planning module are arranged in order at the top portion of the signal emission device; the signal emission device is electrically connected with the environmental perception module, the motion control module, the behavior decision module and the route planning module; the top portions of the environmental perception module, the motion control module, thebehavior decision module and the route planning module are provided with a storage box; the storage box is internally provided with a storage card; the bottom portion of the signal emission device isprovided with a monitoring center, and the signal emission device is electrically connected with the monitoring center. The intelligent driving test data remote monitoring system can transmit data tothe monitoring center in real time and can perform data analysis, and therefore, the intelligent reconstruction speed is increased and the research cost is reduced.

The invention discloses a mechanical power flow closed intersecting shaft bevel gear drive test bench. The mechanical power flow closed intersecting shaft bevel gear drive test bench comprises an electromagnetic speed regulating motor, a speed reducer I, a speed reducer II, a shaft system, a loading device, a coupling group, a test bevel gear module and a base; the speed reducer I, the speed reducer II, the loading device and the test bevel gear module are connected with the coupling group through the shaft system; the speed reducer I and the speed reducer II are fixed to the base; the speed reducer I, a coupling IV, the test bevel gear module, a coupling V, the speed reducer II, the coupler II, the loading device and the coupling I form a mechanical closed system; power outputted by the electromagnetic speed regulating motor is only used for overcoming frictional resistance in a system and replenishing various losses; a rotation angle adjustment device can perform performance test of different bevel gears, and therefore, with multi-purpose performance realized, the utilization rate of the bench can be improved.

Embodiments of the present invention provide a Minimizing Drive Test (MDT) logging measurement method and device. The method includes: generating MDT logging measurement configuration information; and sending the MDT logging measurement configuration information to an active User Equipment (UE) and / or an idle UE according to a predetermined rule. Through the solutions provided in the embodiments of the present invention, a commercial UE in an existing network may be utilized to assist in locating a network problem, thus reducing a Drive Test (DT) overhead.

The invention discloses a method for testing data return, wherein the method is used for improving stability of data return. The method comprises: automatic drive test terminal equipment carries out testing on a wireless mobile network so as to obtain testing data; the automatic drive test terminal equipment detects whether a local area network is connected or not; and when the local area network is connected, the automatic drive test terminal equipment returns the obtained testing data to a background server by the local area network. In addition, the invention also discloses an apparatus for realizing the above-mentioned method.

The invention discloses a vehicle control device and a system for driving test and driving training, which belong to the technical field of vehicle control. The system includes a power supply module, a front-end machine, a back-end machine, and an audio / video collector, a vehicle state collector, an ultrasonic detector, a driving information collector and a vehicle positioning component which are connected with the back-end machine. The front-end machine is in data connection with the back-end machine. The power supply module is connected with the internal power supply of a vehicle, is arranged in the trunk of the vehicle, and supplies power to all devices. The problem that the vehicle computer and the function equipment of the driving test and driving training vehicle in the prior art are scattered and large and have a single function, low operation efficiency and high failure rate is solved.

The invention discloses a tester capable of simulating a track in a braking state. The tester comprises a length-adjustable horizontal test bed, a test wheel provided with a braking system, a drivingmotor system, a guide driven wheel system, a guide cross beam capable of guiding the driving direction and adjusting the height through auxiliary motors, a precipitation cycle simulating system and atemperature control system. The tester is reasonable in structure design, compact in mounting, simple and easy to operate and good in use effect, can simulate the stress condition in the braking stateduring vehicle driving and can simulate the stress condition of a track plate under the variable load action, the actual problem that existing track instruments can only simulate stress of the trackplate in the vertical force state when crank connecting rods are used for driving test wheels to run can be effectively solved, a reliable tool is provided for detection of high-temperature performance of bituminous mixture test pieces and can be used as a tool for indoor scientific research.

The embodiment of the invention discloses an automobile maintenance period operation method and a vehicle-mounted intelligent operation system. The method comprises the steps that the engine type andthe lubricating oil type selected by an automobile manufacturer and / or a terminal user are / is obtained; according to four key oil change index limit values of a lubricating oil technology, a driving test of urban road conditions and / or a global light vehicle unified test driving cycle WLTC simulation bench method are / is used for measuring and calculating the service life of lubricating oil when the lubricating oil works, and the service life is input into vehicle-mounted hardware; and thus, the vehicle-mounted intelligent operation system calculates the remaining service life of the lubricating oil according to the engine type, the driving working condition and the lubricating oil running time and evaluates the automobile maintenance period. Therefore, the remaining service life of the lubricating oil and the automobile maintenance period are evaluated accurately and conveniently according to the automobile engine type, the automobile running working condition and the lubricating oil running time.

The invention discloses an intelligent driving test system for road testing of a driver and a working method. The intelligent driving test system comprises a sensing module, a decision making module and an execution module. The sensing module comprises an information fusion processor, a laser radar, a millimeter-wave radar, an ultrasonic radar, a camera and a high-precision GPS, wherein the laserradar, the millimeter-wave radar, the ultrasonic radar, the camera and the high-precision GPS are connected with the information fusion processor. The decision making module comprises a vehicle-mounted computer, a vehicle-mounted communication module, a voice module and a data recording unit; the vehicle-mounted computer is connected with the information fusion processor, the vehicle-mounted communication module, the voice module and the data recording unit; the execution module comprises a steering control module, a braking control module and a driving control module; and the steering controlmodule, the brake control module and the drive control module are respectively connected with the vehicle-mounted computer and the data recording unit. Collection of surrounding environment information of the intelligent examination vehicle in the road test state is achieved, operation prompting is conducted, emergency treatment is conducted when dangers are judged in advance, and driving safetyis guaranteed.

The invention discloses an automatic driving test system based on controllable traffic flow. The system comprises an automatic driving test vehicle; a simulated traffic flow bottom plate; and a control platform which comprises a server side unit and a client side unit, the server side unit comprises a scene design module, and the client side unit comprises a scene plan module, a serial port communication module, a data analysis module, a real-time calculation module and an instruction processing module; during testing, the scene plan module sends parameters of a certain testing scene, the data analysis module analyzes and sends data, the real-time calculation module calculates result data and sends the result data to the instruction processing module, and the simulated traffic flow bottom plate is controlled to execute an instruction. The invention further discloses an automatic driving test method based on the controllable traffic flow, electronic equipment and a storage medium. According to the invention, a standardized test scene can be established by simulating different traffic flows, the quantitative test requirements of the automatic driving vehicle are met, and the comprehensiveness and reliability of the automatic driving vehicle test are improved.

The invention relates to a method and an apparatus for automatic condition checking of an elevator, wherein an elevator car (110) of the elevator is situated in a door zone of a first landing (122) inan elevator shaft (102) following an earthquake. The method comprising determining whether the load carried by hoisting ropes (134) is evenly distributed between the hoisting ropes by checking the status or measurement data of at least one rope tension measurement device (136). The test unit (150) determines whether the elevator car (110) is empty and conducts a drive test for the elevator car inorder to determine unimpeded access for the elevator car to other landings (121, 123). The elevator is returned to normal use, if the drive test indicates unimpeded access for the elevator car to theother landings.

Provided is a driving test information collecting and storing system which comprises a data collection unit, a data storage unit and a system hardware platform composed of a core module and an interface base plate. The data collection unit comprises devices to collect video information and audio information in real time. The data storage unit compresses different video and audio information collected by the collection unit in the driving test process and all related testee information, test score, tester information, test vehicle information and national standards or necessary real-time non-audio non-video test information and non-real-time test information prescribed in other requirements into a driver test process multi-information audio-video DEMSAV file. According to the system, storage archives of a testee are reduced to one file, convenience is provided for management and checking, it is ensured that consulting results of different information which needs to be recorded in the test process are kept synchronized in time and position after test, the confidential level of the test information is higher, the system is safe and reliable, and the public trust degree of monitoring is high.

The invention relates to a method for improving the safety of driving test information and enabling synchronized reproduction of the driving test information. The method comprises a collection step in which multi-channel audio information and video information are converted into single-channel audio information HAS and single-channel video information CVS respectively; a storage step in which all information collected in the collection step together with testee information forms a driver test process multi-information audio-video DEMSAV file including different information in the driving test process; and a synchronized reproduction step in which a player which can replay the different information in a synchronized reproduction manner is used to reproduce all information recorded by the driver test process multi-information audio-video DEMSAV file in the synchronized manner. The method ensures that consulting results of different information which needs to be recorded in the test process are kept synchronized in time and position after test, a traditional file storage method is optimized, the safety of driving test information is improved, and the testee information can be inquired more conveniently and more rapidly.

The invention relates to a device for predicting (10) a vigilance level of a driver, comprising a camera (11) for acquiring images of said driver, an image processing module (13.1) for characterizing, from the acquired images, physiological data of said driver, means for storing profiles of the change in electro-encephalographic and physiological data of a set of standard drivers, acquired in a synchronized manner in the course of driving tests during a calibration phase, and a detection module (13.2) capable of comparing the change in physiological data of said driver with the stored profiles of the change in physiological data in order to determine at least one profile satisfying resemblance criteria and performing a statistical prediction of the change in the vigilance level of said driver from the analysis of the stored profile of electro-encephalographic data corresponding to the profile of changes in physiological data having satisfied the resemblance criteria.

The invention discloses an early warning processing system and method for the instruction non-compliance rate of an automatic driving automobile based on vehicle-road cooperation. The early warning processing system comprises an Auto-DT automatic drive test system, a vehicle-road cooperation center and an automatic vehicle-mounted system. The Auto-DT automatic drive test system is used for collecting vehicle and road data information and performing denoising processing on the vehicle and road data information to obtain an effective invoking automatic vehicle data information base; the vehicle-road cooperation center is used for sending a driving instruction to an automatic automobile, calculating an automatic automobile instruction non-compliance rate and a traffic flow influence factor, and determining an automatic automobile violation grade and providing a specific processing scheme (deducting a corresponding integral and sending a corresponding level early warning prompt); and the automatic vehicle-mounted system is used for receiving the instruction and prompt information sent by the vehicle-road cooperation center and executing vehicle driving operation. According to the invention, the traffic intelligence and safety of the automatic driving special lane can be realized.

The invention discloses a method and device for indicating and reporting a measurement result. The method comprises the steps: user equipment receives a network side notification, a network side indicates that the user equipment reports a non-simultaneous minimum drive test measurement result in the notification; and the user equipment reports the non-simultaneous minimum drive test measurement result carried through a radio resource control signaling, and carries a sequence number of the reported non-simultaneous minimum drive test measurement result in the radio resource control signaling in all reported non-simultaneous minimum drive test measurement results. By using the invention, data loss of the non-simultaneous minimum drive test measurement results can be avoided.

An automated laser diode testing and burn-in system is disclosed. Initial device data is obtained by applying current to the device at room temperature and measuring the device parameters. The device is then subjected to a burn-in process at higher temperatures. Device performance is monitored throughout the burn-in process. Upon termination of the burn-in process the devices are cooled to room temperature and the post burn-in device power is measured again under the same test conditions. If the device parameters have changed by more than a particular amount the device is rejected. Otherwise, the device is accepted and installed in the next level assembly. The test system disclosed herein achieves significant advantages over prior art in cost and throughput by combining an easy to load laser test fixture with automatic device hold down feature, heating capability, computer program driven test protocol capable of performing initial laser measurements, calibrating each laser and photodetector pair, burn-in test, post burn-in measurements, failed device detection, storage of laser test history records and enabling remote access to such records. The invention eliminates the need for numerous labor intensive ergonomically difficult steps and costly test fixtures.

The invention provides a simulation scene generation method and device, computer equipment and a storage medium, and the method comprises the steps: obtaining accident road test data, and extracting vehicle state information, map information and motion information of traffic participants from the accident road test data; obtaining a manual driving moment according to the vehicle state information; taking the vehicle state information and the map information corresponding to the automatic driving state and the target driving period of the road test vehicle as first driving information, and taking the vehicle state information and the map information corresponding to the manual driving state of the road test vehicle as second driving information; the end time of the target driving time period is the manual driving time; according to the first driving information, the second driving information and the motion information of the traffic participant, whether an avoidance event occurs in the road test process is judged; and if yes, extracting a data fragment corresponding to the avoidance event from the accident drive test data, and generating an avoidance simulation scene based on the data fragment.

The invention discloses a method and a system for judging the face sight direction of an examinee in a driving test. The method comprises the following steps: acquiring an in-vehicle image of a driver seat area; detecting the in-vehicle image by utilizing the face target detection model, determining whether a face image exists or not, and if yes, inputting the face image into a face sight line direction classification model to calculate confidence coefficients of the face image in preset N types of face sight line directions respectively; and classifying the face image into a face sight line direction with the maximum confidence value. The system includes a memory for storing dataset computer program instructions, and a processor in communication with the memory. The processor executes the computer program instructions to perform the steps of the decision method. The technical scheme is mainly suitable for driving test subjects III, and can quickly and accurately make a judgment on the line-of-sight attention direction of a driver, uploads the judgment result to the scoring system, and assists an examiner to make a fair score.

The invention provides an image shunt display device and method applied to drive test of an auxiliary driving controller. The image shunt display device comprises a signal acquisition module which is used for acquiring a single-path coaxial video signal output by an auxiliary driving controller or an auxiliary driving camera; the signal conversion module is connected with the signal acquisition module and is used for dividing the single-path coaxial video signal into at least two paths of same coaxial video signals; and the signal output module is connected with the signal conversion module and is used for correspondingly outputting the at least two paths of same coaxial video signals to at least two electronic devices, so that the electronic devices can display or record the signals. According to the invention, the road test efficiency of the auxiliary driving controller can be improved, and the test burden of workers can be reduced.

The invention discloses a test bench and a test method of a chassis driving test of a robot. The test bench comprises a motor performance test unit, a landform test unit and a processing unit. The motor performance test unit comprises a first power test machine and a first transmission device. The first power test machine is connected to one end of the first transmission device. In use, the output shaft of a to-be-tested motor is connected to the other end of the transmission device. The landform test unit comprises a second power test machine and a second transmission device. The second transmission device comprises a landform transmission shaft and a landform sleeve. One end of the landform transmission shaft is connected to the second power test machine. The landform sleeve sleeves the landform transmission shaft. In use, the to-be-tested motor contacts the landform sleeve and is capable of driving the landform sleeve to rotate. The motor performance test unit and the landform test unit are in communication connection with the processing unit. According to the invention, a test and experiment bench is provided for testing, evaluation, optimization and reliability testing of the chassis driving system and a chassis comprehensive test system is established.

The present invention provides a method for a user equipment, UE, device to perform measurements in order to assess network performance, preferably minimization of drive test, MDT, measurements, the method comprising receiving configuration information at the UE, the configuration information providing information for controlling service specific measurements and for controlling tagging of measurement reports by the UE with at least one of a service flow identifier and an indication that the measurement relates to one of a single service data flow and a multiplicity of service data flows.