Intelligent detection device for autonomous driving system

Abstract

An intelligent detection device for an autonomous driving system is constructed based on an existing test dummy vehicle, a test platform, a linear drive system with a synchronous belt, and a motion vehicle. The device is constructed by arranging and combining a programmable logic controller (PLC), a lateral control module, and a longitudinal motion regulating component, replacing the wheels of the original motion vehicle with universal wheels. The longitudinal motion regulating component is parallel to the synchronous belt, and the lateral control module and the linear drive system are both informationally connected to the PLC and operate under the control of the PLC. The lateral control module is also provided with a follower component associated with the longitudinal motion regulating component. This invention completely overcomes the shortcomings of the prior art, such as the uncontrolled deviation of test dummy vehicles and the inability of test dummy vehicles to autonomously and controllably change their routes to meet the requirements of testing multiple performance indicators of autonomous driving systems. This device improves detection efficiency and provides better detection equipment for the development and improvement of autonomous driving systems.

Description

Technical Field

[0001] The present invention relates to a detection device, and in particular to an intelligent detection device for an autonomous driving system, belonging to the technical field of production and manufacturing of intelligent detection devices for autonomous driving systems. Background Art

[0002] With the development of communication technology, automation and intelligent technology, automated unmanned driving technology that integrates these high technologies has developed rapidly.

[0003] The realization of automated unmanned driving of motor vehicles depends on the automatic driving system installed on the vehicle. The development and research of the automatic driving system requires multiple, diverse and multi-subject tests and revisions before it can be gradually completed and improved. This includes the testing of important subject indicators such as the various emergency performance of the automatic driving system when a vehicle equipped with the automatic driving system faces a speeding motor vehicle. For the testing of these subject indicators, it is usually necessary to use an automatic driving system detection device to help complete the test.

[0004] Existing automatic driving system detection devices usually include:

[0005] The test platform and the test dummy vehicle also include a linear drive system and a motion cart. The test dummy vehicle is placed on the motion cart, and the motion cart is driven by the linear drive system to perform longitudinal linear motion. The various emergency performance indicators of the automatic driving system installed on the motor vehicle are tested through the movement of the test dummy vehicle.

[0006] When using existing autonomous driving system detection devices, the motion conditions of the test dummy vehicle have shortcomings, including:

[0007] The dummy test vehicle lost control and veered off course while driving at high speeds, causing it to deviate from the pre-set route. This ultimately prevented the inspected motor vehicle from obtaining complete and accurate test data on the performance indicators of its installed autonomous driving system, and thus from completing its inspection.

[0008] Secondly, when it is necessary to test the dummy car to produce a certain lateral offset during its movement in order to help the motor vehicle complete the detection of relevant performance indicators of its automatic driving system for situations such as lateral offset of the dummy car, since the dummy car in the existing automatic driving system detection device can only perform longitudinal linear motion under the drive of the linear drive system, it cannot directly help the inspected motor vehicle to complete the relevant tests. The only way is to move the automatic driving system detection device as a whole to make the dummy car change its route, thereby helping the inspected motor vehicle to complete the detection of relevant performance indicators of its automatic driving system. This is not only time-consuming and labor-intensive, affecting the test efficiency, but also unable to obtain detection data on the impact of the continuous change of the route of the dummy car on the automatic driving system, which makes it difficult to improve and perfect the automatic driving system. Summary of the Invention

[0009] To overcome the shortcomings of the prior art, the present invention provides an intelligent detection device for an autonomous driving system, the purpose of which is to:

[0010] The invention provides an intelligent detection device for an automatic driving system for a motor vehicle to perform performance testing on the automatic driving system installed therein, wherein the device has a test dummy vehicle that can not only perform high-speed stable straight-line motion along a predetermined route, but also change its route laterally or even continuously laterally as needed. The device satisfies the testing requirements for the automatic driving system's response performance to different driving states of the test dummy vehicle, meets the need for diversity of detection indicators of the automatic driving system on the basis of improving the testing efficiency and reliability of the testing device, and provides a guarantee for the research, development and improvement of the automatic driving system.

[0011] To achieve the above-mentioned object, the present invention provides the following technical solutions.

[0012] An intelligent detection device for an autonomous driving system is used to detect the performance of an autonomous driving system installed in a vehicle under test by moving a test dummy vehicle. In addition to the test dummy vehicle, the device also includes a test platform, a linear drive system with a synchronous belt, and a motion trolley. The test dummy vehicle is placed on the motion trolley, and the motion trolley is driven by the linear drive system to perform longitudinal linear motion. The device also includes:

[0013] A programmable logic controller, a lateral control module installed on the motion trolley, and a longitudinal motion regulating component installed on the test platform, wherein the wheels of the motion trolley are universal wheels, and the longitudinal motion regulating component is arranged in parallel with the synchronous belt in the linear drive system, wherein:

[0014] The lateral control module and the linear drive system are respectively in information communication with the programmable logic controller, and the lateral control module and the linear drive system respectively operate under the control of the programmable logic controller. The lateral control module is also provided with a follower component associated with the longitudinal motion regulating component and capable of moving on the longitudinal motion regulating component.

[0015] The lateral control module can maintain the current position of the follower component unchanged under the control of the programmable logic controller, and can make the moving vehicle move longitudinally along its original travel route on the test platform under the drive of the linear drive system through the follower component and the associated longitudinal motion regulating component; and

[0016] The lateral control module can also make its follower component move laterally under the control of the programmable logic controller, and the follower component that moves laterally can make the moving vehicle move laterally through the longitudinal motion regulating component associated with it, thereby changing the original travel route of the moving vehicle and moving longitudinally on the test platform according to the changed travel route under the drive of the linear drive system.

[0017] Further:

[0018] The lateral control module further includes a control motor and a lateral motion device connected to the follower member, wherein: the control motor is in information communication with the programmable logic controller and operates under the control of the programmable logic controller, and the control motor is used to drive the lateral motion device to move;

[0019] The movement of the lateral motion device drives the follower member to move in the vertical direction of the axis of the longitudinal motion regulating member.

[0020] Optional:

[0021] The lateral motion device is a screw including a screw rod and a screw nut, wherein:

[0022] The screw rod is installed on the moving trolley and is perpendicular to the axis of the longitudinal motion regulating component. The screw nut is connected to the follower component.

[0023] Further:

[0024] The lateral control module further includes a slide rail and a nut connector, wherein:

[0025] The slide rails are mounted on the moving trolley, and the slide rails are arranged on both sides parallel to the screw rod;

[0026] One side of the nut connector is connected to the lead screw nut, and the other side of the nut connector is connected to the follower component, and both ends of the nut connector are respectively buckled with the two slide rails located on both sides of the lead screw.

[0027] Optionally, there are multiple follower members, and the multiple follower members are distributed on the nut connector.

[0028] Optionally, the longitudinal motion regulating component is a longitudinal linear groove excavated on the test platform, or the longitudinal motion regulating component is a longitudinal linear guide rail provided on the test platform.

[0029] Optionally, the follower component is a slider or a rotating wheel, and the slider or the rotating wheel is arranged in the longitudinal linear groove, or the slider or the rotating wheel is clipped onto the longitudinal linear guide rail.

[0030] Further:

[0031] The linear drive system further comprises an active component and a driven component;

[0032] The active component and the driven component are respectively arranged on the test platform, and the active component and the driven component are respectively located at two ends of the longitudinal motion regulating component;

[0033] The synchronous belt is provided with a connection mechanism connected to the moving trolley. The synchronous belt is wound between the active component and the driven component, and the synchronous belt can move linearly between the active component and the driven component under the drive of the active component.

[0034] Further:

[0035] The active component includes a drive motor, a reducer and a driving wheel, wherein the drive motor is in information communication with the programmable logic controller and operates under the control of the programmable logic controller, the reducer has an input shaft connected to the drive motor, and the reducer has an output shaft connected to the driving wheel;

[0036] The driven component is provided with a steering wheel;

[0037] The synchronous belt is wound around the main wheel and the rotating wheel, and the connecting mechanism is a buckle arranged on the synchronous belt and capable of being engaged with the moving vehicle.

[0038] Optionally, the test dummy car is assembled by splicing foam material modules, and each foam material module that composes the test dummy car is marked with a number.

[0039] Compared with the prior art, the present invention has the following advantages and significant progress:

[0040] 1) The intelligent detection device for an automatic driving system provided by the present invention includes, in addition to the test dummy car, test platform, linear drive system and motion car already in the prior art, a programmable logic controller, a lateral control module installed on the motion car and a longitudinal motion regulating component installed on the test platform, wherein the wheels of the motion car are universal wheels, the longitudinal motion regulating component is parallel to the synchronous belt, the lateral control module and the linear drive system are respectively connected to the programmable logic controller for information and operate under the control of the programmable logic controller, and the lateral control module is also provided with a device associated with the longitudinal motion regulating component and can be mounted on the longitudinal motion regulating component. The moving follower component and the lateral control module can maintain the current position of the follower component unchanged under the control of the programmable logic controller, and can make the moving trolley move longitudinally along the original travel route of the moving trolley on the test platform under the drive of the linear drive system through the follower component and the associated longitudinal motion regulating component. The lateral control module can also make the follower component move transversely under the control of the programmable logic controller and make the moving trolley move transversely through the associated longitudinal motion regulating component, thereby changing the original travel route of the moving trolley and making the moving trolley move longitudinally along the changed travel route on the test platform under the drive of the linear drive system;

[0041] 2) The intelligent detection device for an autonomous driving system provided by the present invention can not only perform high-speed, stable linear motion along a predetermined route through the cooperation of a follower component and an associated longitudinal motion regulating component, but can also change its route laterally, or even continuously, as needed, under the control of a programmable logic controller through the cooperation of a lateral control module and the longitudinal motion regulating component. Therefore, it can meet the requirements for testing the response performance of the autonomous driving system to different driving states of the test dummy vehicle. On the basis of improving detection efficiency and the reliability of the detection device, it meets the needs of the autonomous driving system for a variety of detection indicators, providing a guarantee for the research, development, and improvement of autonomous driving systems.

[0042] 3) The intelligent detection device for an autonomous driving system provided by the present invention utilizes a follower component that cooperates with a longitudinal motion regulating component, allowing the moving vehicle equipped with a test dummy to consistently move in a straight line via a linear drive system. This completely overcomes the prior art problem of uncontrolled deviation during the movement of the test dummy, which results in the inability of the inspected motor vehicle to obtain complete and accurate test data on the performance indicators of its installed autonomous driving system. This ensures the successful completion of the test work, enabling the device to provide detection conditions for maintaining a straight-line motion state at speeds exceeding 120 km / h, rather than the original test dummy that could only provide detection conditions for a non-deviating straight-line motion state at speeds of no more than 30 km / h. This provides better detection conditions for the research, development, and improvement of autonomous driving systems.

[0043] 4) The intelligent detection device for an autonomous driving system provided by the present invention uses a programmable logic controller (PLC) to intelligently control the lateral control module and the linear drive system. This allows the lateral control module, under the control of the PLC, to cause its follower component to cause the vehicle to produce controllable and autonomous lateral motion through its associated longitudinal motion regulating component, thereby changing the vehicle's original route and causing it to move longitudinally along the changed route on the test platform under the drive of the linear drive system. This completely overcomes the shortcomings of the prior art, in which the test dummy vehicle was unable to autonomously and controllably change its route and meet the requirements for testing various performance indicators of the autonomous driving system. Furthermore, during the testing process, there is no need to move the entire device to meet the testing needs, saving time and effort and greatly improving the efficiency of testing.

[0044] 5) In summary, the intelligent detection device for autonomous driving systems provided by the present invention has a novel and unique design, a compact and simple structure, is easy and convenient to manufacture and install, and operates reliably and stably. It provides better detection conditions for the research, development, and improvement of autonomous driving systems and opens up new ideas and methods. Compared with existing technologies, it has outstanding substantive features and significant progress, and therefore has great value for promotion and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0045] In order to more clearly illustrate the technical solution of the present invention, the following briefly introduces the drawings required for the embodiments of the present invention.

[0046] Obviously:

[0047] The drawings described below are only drawings of some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work, but these other drawings also belong to the drawings required for use in the embodiments of the present invention.

[0048] Figure 1 A schematic diagram of the three-dimensional structure of an intelligent detection device for an autonomous driving system provided by an embodiment of the present invention;

[0049] Figure 2 A schematic diagram of the three-dimensional structure of a moving vehicle of an intelligent detection device for an autonomous driving system provided by an embodiment of the present invention;

[0050] Figure 3 A schematic diagram of a cross-section of an intelligent detection device for an autonomous driving system provided by an embodiment of the present invention;

[0051] Figure 4 for Figure 3 A magnified schematic diagram of the structure of part A;

[0052] Figure 5 A schematic diagram of the three-dimensional structure of a linear drive system of an intelligent detection device for an autonomous driving system provided by an embodiment of the present invention;

[0053] Figure 6 A schematic diagram of the top view of the linear drive system of an intelligent detection device for an autonomous driving system provided in an embodiment of the present invention.

[0054] In the picture:

[0055] 100-test fake car;

[0056] 200-test platform, 211-longitudinal linear groove;

[0057] 300- linear drive system, 310- timing belt, 320- driving component, 321- driving wheel, 330- driven component, 331- steering wheel;

[0058] 400-moving trolley, 410-wheel, 421-follower component, 422-control motor, 423-screw, 424-screw nut, 425-slide rail, 426-nut connecting piece. DETAILED DESCRIPTION

[0059] In order to make the purpose, technical solutions, beneficial effects and significant improvements of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in combination with the drawings provided in the embodiments of the present invention. Obviously, all the described embodiments are only partial embodiments of the present invention, rather than all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0060] It should be noted that:

[0061] The terms "first", "second" and "third" (if any) in the description and claims of the present invention and the drawings of the embodiments of the present invention are only used to distinguish different objects, rather than to describe a specific order;

[0062] In addition, the term "comprise" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or apparatus that includes a series of steps or units is not limited to the listed steps or units, but optionally also includes steps or units that are not listed, or optionally also includes other steps or units inherent to these processes, methods, products or apparatus.

[0063] What needs to be understood is:

[0064] In the description of the embodiments of the present invention, terms such as "upper", "lower", "top", "bottom" and other indicative orientation or position words are only based on the orientation or position relationship shown in the drawings of the embodiments of the present invention. They are for the convenience of describing the embodiments of the present invention and simplifying the explanation, rather than indicating or implying that the device or element must have a specific orientation, specific orientation structure and operation. Therefore, they should not be understood as limiting the present invention.

[0065] In the present invention, unless otherwise clearly specified and limited, the terms "installation", "connection", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, a movable connection, or an integrated connection; it can be a direct connection, or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly specified and limited, ordinary technicians in this field can understand the specific meanings of the above terms in the present invention according to the specific circumstances.

[0066] It should also be noted that:

[0067] The following specific embodiments may be combined with each other, and the same or similar concepts or processes therein may not be described in detail in some embodiments.

[0068] The technical solution of the present invention is described in detail below with reference to specific embodiments.

[0069] Example

[0070] This embodiment provides an intelligent detection device for an autonomous driving system for detecting the performance of an autonomous driving system installed on a vehicle under inspection by testing the movement of a dummy vehicle.

[0071] like Figure 1 A schematic diagram of the three-dimensional structure of an intelligent detection device for an automatic driving system provided by an embodiment of the present invention, Figure 2 The three-dimensional structure diagram of the moving vehicle of an intelligent detection device for an automatic driving system provided by an embodiment of the present invention is shown as follows:

[0072] An intelligent detection device for an autonomous driving system includes, in addition to a test dummy vehicle 100, a test platform 200, a linear drive system 300 having a synchronous belt 310, and a moving vehicle 400. The test dummy vehicle 100 is placed on the moving vehicle 400, and the moving vehicle 400 is driven by the linear drive system 300 to perform longitudinal linear motion. The device also includes:

[0073] A programmable logic controller (not shown), a lateral control module mounted on the motion vehicle 400, and a longitudinal motion regulating component mounted on the test platform 200, wherein the wheels 410 of the motion vehicle 400 are universal wheels, and the longitudinal motion regulating component is arranged parallel to the synchronous belt 310 in the linear drive system 300, wherein:

[0074] The lateral control module and the linear drive system 300 are respectively in communication with a programmable logic controller (not shown), and the lateral control module and the synchronous belt linear drive system respectively operate under the control of the programmable logic controller. The lateral control module is also provided with a follower member 421 that is associated with the longitudinal motion regulating member and can move on the longitudinal motion regulating member.

[0075] The lateral control module can maintain the current position of its follower member 421 under the control of a programmable logic controller (not shown in the figure), and can make the moving vehicle 400 move longitudinally along its original travel path on the test platform 200 under the drive of the linear drive system 300 through the follower member 421 and the associated longitudinal motion regulating member; and

[0076] The lateral control module can also make its follower component 421 move laterally under the control of a programmable logic controller (not shown in the figure), and the laterally moving follower component 421 can make the moving cart 400 move laterally through the longitudinal motion regulating component associated with it, thereby changing the original travel route of the moving cart 400 and moving longitudinally along the changed travel route on the test platform 200 under the drive of the linear drive system 300.

[0077] From the above description, we can see that:

[0078] First, the intelligent detection device for an autonomous driving system provided in this embodiment includes, in addition to the test dummy vehicle, test platform, linear drive system, and motion cart known in the prior art, a programmable logic controller, a lateral control module mounted on the motion cart, and a longitudinal motion regulating member mounted on the test platform. The wheels of the motion cart are universal wheels, and the longitudinal motion regulating member is parallel to the timing belt. The lateral control module and the linear drive system are each in information communication with the programmable logic controller and operate under the control of the programmable logic controller. The lateral control module is also provided with a follower member associated with and movable on the longitudinal motion regulating member.

[0079] Secondly, the intelligent detection device for an autonomous driving system provided in this embodiment, wherein the test dummy vehicle mounted on the moving vehicle, can not only perform high-speed, stable linear motion along a predetermined route through the cooperation of a follower component and an associated longitudinal motion regulating component, but can also, as needed, change its route laterally, or even continuously, under the control of a programmable logic controller through the cooperation of a lateral control module and the longitudinal motion regulating component. Therefore, it can meet the requirements for testing the autonomous driving system's response performance to different driving states of the test dummy vehicle, while improving detection efficiency and device reliability, and satisfying the need for diverse detection indicators for the autonomous driving system.

[0080] Thirdly, the intelligent detection device for an autonomous driving system provided in this embodiment, through the coordination of a follower component and a longitudinal motion regulating component, enables the moving vehicle equipped with a test dummy to always move in a straight line via a linear drive system. This completely overcomes the problem in the prior art of the test dummy vehicle running out of control and resulting in the inability of the inspected motor vehicle to obtain complete and accurate test data on the performance indicators of the installed autonomous driving system, thus ensuring the successful completion of the inspection work.

[0081] Experiments have shown that while conventional test dummy vehicles can only detect a straight-line motion state at speeds up to 30 km / h, the intelligent detection device for autonomous driving systems provided in this embodiment can detect a straight-line motion state at speeds exceeding 120 km / h, providing better detection conditions for the research, development, and improvement of autonomous driving systems.

[0082] In addition, the intelligent detection device for the automatic driving system provided in this embodiment adopts a programmable logic controller (PLC for short), so that it can intelligently control the lateral control module and the linear drive system, so that the lateral control module can, under the control of the programmable logic controller, enable its follower component to cause the moving vehicle to produce controllable and autonomous lateral movement through the longitudinal motion regulating component associated with it, thereby changing the original travel route of the moving vehicle and performing longitudinal movement on the test platform according to the changed travel route under the drive of the linear drive system. Therefore, it completely overcomes the shortcomings of the existing technology that the test dummy vehicle cannot autonomously and controllably change its travel route and cannot meet the needs of testing multiple performance indicators of the automatic driving system. In addition, during the testing process, there is no need to move the entire device to adapt to the needs of testing, which saves time and effort and greatly improves the efficiency of testing.

[0083] Further, from Figure 2 You can also see:

[0084] The lateral control module also includes a control motor 422 and a lateral motion device connected to the follower member 421, wherein the control motor 422 is in communication with a programmable logic controller (not shown) and operates under the control of the programmable logic controller (not shown), and is used to drive the lateral motion device to move;

[0085] The movement of the transverse motion device drives the follower member 421 to move in the vertical direction of the axis of the longitudinal motion regulating member.

[0086] from Figure 2 It can be further seen that in this embodiment:

[0087] The lateral motion device is a screw including a screw rod 423 and a screw nut 424, wherein:

[0088] The screw rod 423 is installed on the moving carriage 400 and is perpendicular to the axis of the longitudinal motion regulating component. The screw nut 424 is connected to the follower component 421 .

[0089] It can be seen that the lateral motion device adopts a screw, which is not only simple in structure, but also easy to operate, quick in response and reliable in operation.

[0090] Further, from Figure 2 You can also see:

[0091] The lateral control module further includes a slide rail 425 and a nut connector 426, wherein:

[0092] The slide rails 425 are mounted on the moving carriage 400 and are arranged on both sides parallel to the screw rod 423;

[0093] One side of the nut connector 426 is connected to the lead screw nut 424 , and the other side of the nut connector 426 is connected to the follower member 421 , and both ends of the nut connector 426 are respectively buckled with the two slide rails 425 located on both sides of the lead screw 423 .

[0094] from Figure 2 It can also be seen that in this embodiment:

[0095] There are multiple follower components 421 , and the multiple follower components 421 are distributed on the nut connector 426 .

[0096] By providing a slide rail and a nut connector, and having both ends of the connector buckled with the two slide rails on both sides of the lead screw, the lead screw can work more smoothly and reliably.

[0097] Arranging a plurality of follower components on the nut connector can make the connection between the follower components and the longitudinal motion regulating components more reliable and provide more connection points, thereby better controlling the movement of the motion vehicle.

[0098] like Figure 1 ,as well as Figure 3 A schematic diagram of a cross-section of an intelligent detection device for an autonomous driving system according to an embodiment of the present invention, Figure 4 for Figure 3 The enlarged schematic diagram of the structure of part A is shown as follows:

[0099] The longitudinal motion regulating member is a longitudinal linear groove 211 excavated on the test platform 200 , or the longitudinal motion regulating member is a longitudinal linear guide rail (not shown in the figure) provided on the test platform 200 .

[0100] As an optional implementation, in this embodiment:

[0101] The follower member 421 is a slider or a rotating wheel, which is disposed in the longitudinal linear groove 211 , or is snapped onto a longitudinal linear guide rail (not shown).

[0102] like Figure 5 The three-dimensional structural diagram of the linear drive system of an intelligent detection device for an automatic driving system provided by an embodiment of the present invention is shown as follows:

[0103] The linear drive system 300 also includes a driving component 320 and a driven component 330;

[0104] The active component 320 and the driven component 330 are respectively disposed on the test platform 200 , and the active component 320 and the driven component 330 are respectively located at two ends of the longitudinal motion regulating member;

[0105] The synchronous belt 310 is provided with a connection mechanism (not shown in the figure) connected to the moving carriage 400. The synchronous belt 310 is wound between the active component 320 and the driven component 330, and the synchronous belt 310 can move linearly between the active component 320 and the driven component 330 under the drive of the active component 320.

[0106] Further, such as Figure 6 The schematic diagram of the top view of the linear drive system of an intelligent detection device for an autonomous driving system provided by an embodiment of the present invention is as follows:

[0107] The active component 320 includes a drive motor (not shown in the figure), a reducer (not shown in the figure) and a driving wheel 321, wherein the drive motor (not shown in the figure) is in information communication with a programmable logic controller (not shown in the figure) and operates under the control of the programmable logic controller (not shown in the figure), the reducer (not shown in the figure) has its input shaft connected to the drive motor (not shown in the figure), and the reducer (not shown in the figure) has its output shaft connected to the driving wheel 321;

[0108] The driven assembly 330 is provided with a steering wheel 331;

[0109] The synchronous belt 310 is wound around the driving wheel 321 and the steering wheel 331 . The connecting mechanism (not shown in the figure) is a buckle provided on the synchronous belt 310 that can be engaged with the moving vehicle 400 .

[0110] Optionally, in this embodiment:

[0111] The test dummy car 100 is assembled from foam material modules, and each foam material module assembled to form the test dummy car 100 is marked with a number.

[0112] The test dummy car is made of foam material modules. It is not only cheap and quick to install, but also, when a collision occurs, the body of the test dummy car can be completely disintegrated, and the sports car and the motor vehicle being tested can be spared from damage, which can greatly reduce the testing cost and eliminate safety hazards.

[0113] In summary, we can see that:

[0114] The present invention forms a new intelligent detection device for an autonomous driving system by installing and combining a programmable logic controller, a lateral control module, and a longitudinal motion regulation component on an existing autonomous driving system detection device, and replacing the wheels of the moving cart in the existing autonomous driving system detection device with universal wheels.

[0115] The intelligent testing device for an autonomous driving system provided by the present invention not only enables the test dummy vehicle to perform high-speed, stable linear motion along a predetermined route through the interaction and coordination of the follower component on the lateral control module and the longitudinal motion regulating component, but also can change its route laterally or even continuously as needed under the control of a programmable logic controller, thus meeting the requirements for testing the autonomous driving system's response performance to different driving states of the test dummy vehicle.

[0116] The present invention not only completely overcomes the problem in the prior art that the test dummy car runs out of control and deviates, resulting in the inability of the inspected motor vehicle to obtain complete and accurate detection data on the relevant performance indicators of the automatic driving system installed on it, but also completely overcomes the deficiency in the prior art that the test dummy car cannot autonomously and controllably change its route and cannot meet the needs of detecting multiple performance indicators of the automatic driving system. It greatly improves the efficiency of detection, can ensure the successful completion of the detection work, and provides better detection equipment for the research, development and improvement of the automatic driving system.

[0117] In the description of the above manual:

[0118] The terms "this embodiment", "an embodiment of the present invention", "as shown in", "further", "a further improved technical solution", etc., mean that the specific features, structures, materials or characteristics described in the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined or combined in any appropriate manner in any one or more embodiments or examples.

[0119] In addition, those skilled in the art may combine or combine different embodiments or examples and features of different embodiments or examples described in this specification without causing any contradiction.

[0120] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some or all of the technical features therein, and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention. Non-essential improvements, adjustments or replacements made by those skilled in the art based on the contents of this specification are all within the scope of protection required by the present invention.

Claims

1. An intelligent detection device for an autonomous driving system, used to detect the performance of an autonomous driving system installed on a vehicle under test by moving a test dummy vehicle. In addition to the test dummy vehicle, the device also includes a test platform, a linear drive system, and a motion vehicle. The test dummy vehicle is placed on the motion vehicle, and the motion vehicle is driven by the linear drive system to perform longitudinal linear motion. The device is characterized in that: Also includes: A programmable logic controller, a lateral control module installed on the motion trolley, and a longitudinal motion regulating component installed on the test platform, wherein the wheels of the motion trolley are universal wheels, and the longitudinal motion regulating component is arranged in parallel with the synchronous belt in the linear drive system, wherein: The lateral control module and the linear drive system are respectively in information communication with the programmable logic controller, and the lateral control module and the linear drive system respectively operate under the control of the programmable logic controller. The lateral control module is also provided with a follower component associated with the longitudinal motion regulating component and capable of moving on the longitudinal motion regulating component. The lateral control module can maintain the current position of the follower component unchanged under the control of the programmable logic controller, and can make the moving vehicle move longitudinally along its original travel route on the test platform under the drive of the linear drive system through the follower component and the associated longitudinal motion regulating component; and The lateral control module can also cause the follower member to perform lateral movement under the control of the programmable logic controller, and the follower member that performs lateral movement can cause the moving vehicle to generate lateral movement through the longitudinal movement regulating member associated therewith, thereby changing the original travel route of the moving vehicle and causing the moving vehicle to perform longitudinal movement on the test platform according to the changed travel route under the drive of the linear drive system; The lateral control module further includes a control motor and a lateral motion device connected to the follower member, wherein: The control motor is in information communication with the programmable logic controller and operates under the control of the programmable logic controller, and the control motor is used to drive the lateral motion device to move; The movement of the transverse motion device drives the follower member to move in the vertical direction of the axis of the longitudinal motion regulating member; The linear drive system further includes an active component and a driven component; The active component and the driven component are respectively arranged on the test platform, and the active component and the driven component are respectively located at two ends of the longitudinal motion regulating component; The synchronous belt is provided with a connection mechanism connected to the moving trolley. The synchronous belt is wound between the active component and the driven component, and the synchronous belt can move linearly between the active component and the driven component under the drive of the active component.

2. The intelligent detection device for an automatic driving system according to claim 1, wherein: The lateral motion device is a screw including a screw rod and a screw nut, wherein: The screw rod is installed on the moving trolley and is perpendicular to the axis of the longitudinal motion regulating component. The screw nut is connected to the follower component.

3. The intelligent detection device for an autonomous driving system according to claim 2, wherein: The lateral control module further includes a slide rail and a nut connector, wherein: The slide rails are mounted on the moving trolley, and the slide rails are arranged on both sides parallel to the screw rod; One side of the nut connector is connected to the lead screw nut, and the other side of the nut connector is connected to the follower component, and both ends of the nut connector are respectively buckled with the two slide rails located on both sides of the lead screw.

4. The intelligent detection device for an automatic driving system according to claim 3, wherein: There are multiple follower components, and the multiple follower components are distributed on the nut connecting piece.

5. The intelligent detection device for an automatic driving system according to claim 1, wherein: The longitudinal motion regulating component is a longitudinal linear groove excavated on the test platform, or the longitudinal motion regulating component is a longitudinal linear guide rail arranged on the test platform.

6. The intelligent detection device for an automatic driving system according to claim 5, wherein: The follower component is a slider or a rotating wheel, and the slider or the rotating wheel is arranged in the longitudinal linear groove, or the slider or the rotating wheel is clipped on the longitudinal linear guide rail.

7. The intelligent detection device for an automatic driving system according to claim 1, wherein: The active component includes a drive motor, a reducer and a driving wheel, wherein the drive motor is in information communication with the programmable logic controller and operates under the control of the programmable logic controller, the reducer has an input shaft connected to the drive motor, and the reducer has an output shaft connected to the driving wheel; The driven component is provided with a steering wheel; The synchronous belt is wound around the driving wheel and the steering wheel, and the connecting mechanism is a buckle arranged on the synchronous belt and capable of being engaged with the moving vehicle.

8. The intelligent detection device for an automatic driving system according to claim 1, wherein: The test dummy car is assembled by splicing foam material modules, and each foam material module that composes the test dummy car is marked with a number.

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