CN114689344A - Intelligent detection device of automatic driving system - Google Patents
Intelligent detection device of automatic driving system Download PDFInfo
- Publication number
- CN114689344A CN114689344A CN202210412862.XA CN202210412862A CN114689344A CN 114689344 A CN114689344 A CN 114689344A CN 202210412862 A CN202210412862 A CN 202210412862A CN 114689344 A CN114689344 A CN 114689344A
- Authority
- CN
- China
- Prior art keywords
- driving system
- linear
- moving trolley
- longitudinal
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 97
- 230000033001 locomotion Effects 0.000 claims abstract description 112
- 238000012360 testing method Methods 0.000 claims abstract description 92
- 230000001105 regulatory effect Effects 0.000 claims abstract description 43
- 230000001360 synchronised effect Effects 0.000 claims abstract description 22
- 238000004891 communication Methods 0.000 claims description 10
- 239000003638 chemical reducing agent Substances 0.000 claims description 9
- 239000006261 foam material Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 13
- 238000011161 development Methods 0.000 abstract description 11
- 238000011160 research Methods 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
- G05D1/0219—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory ensuring the processing of the whole working surface
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Automation & Control Theory (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
Abstract
An intelligent detector for automatic drive system is composed of test false car, test platform, linear drive system with synchronous belt and moving car, programmable logic controller, transverse control module and longitudinal movement regulating member, and universal wheels instead of original moving car. The invention completely overcomes the defects that the test dummy car has out-of-control deviation phenomenon and the test dummy car can not autonomously and controllably change the traveling route to meet the detection requirements of various performance indexes of the automatic driving system in the prior art, improves the detection efficiency and provides better detection equipment for the research, development and perfection of the automatic driving system.
Description
Technical Field
The invention relates to a detection device, in particular to an intelligent detection device of an automatic driving system, and belongs to the technical field of production and manufacturing of intelligent detection devices of automatic driving systems.
Background
With the development of communication technology and automation and intelligence technology, the development of automated unmanned technology integrating these high technologies has been rapidly progressed.
The automatic unmanned realization of the motor vehicle depends on an automatic driving system installed on the vehicle, and the development and development of the automatic driving system can be completed and perfected step by step through a plurality of times of detection and revision of various purposes, wherein the detection of important subject indexes such as various emergency performances of the automatic driving system of the motor vehicle which is driven by the vehicle and is provided with the automatic driving system is included, and for the detection of the subject indexes, an automatic driving system detection device is generally required to be used to help the vehicle to complete the test.
Existing autopilot system detection devices typically include:
the test platform, the test dummy car and the moving trolley, wherein the test dummy car is arranged on the moving trolley, the moving trolley is driven by the linear driving system to do longitudinal linear motion, and various emergency performance indexes of the automatic driving system installed on the motor vehicle are detected through the motion of the test dummy car.
When current autopilot system detection device applied, its motion situation of testing false car exists not enoughly, wherein includes:
the test false vehicle has an out-of-control deviation phenomenon in the high-speed running process, so that the running route of the test false vehicle deviates from a preset route, and finally the detected motor vehicle cannot obtain complete and accurate detection data of relevant performance indexes of an automatic driving system installed on the motor vehicle to complete the detection work of the motor vehicle;
secondly, when a certain transverse offset is generated in the running process of the test dummy car to help the motor vehicle finish the detection of the relevant performance indexes of the automatic driving system of the motor vehicle aiming at the conditions of testing the transverse offset of the dummy car and the like, because the test dummy car in the existing automatic driving system detection device can only carry out longitudinal linear motion under the driving of the linear driving system, therefore, the method cannot directly help the detected motor vehicle to complete the related test, only can test the moving route changed by the dummy vehicle by the method of integrally moving the detection device of the automatic driving system, thereby helping the detected motor vehicle to complete the detection of the related performance indexes of the automatic driving system, thus not only wasting time and labor and influencing the testing efficiency, moreover, detection data affecting the automatic driving system by continuously changing the traveling route of the test dummy car cannot be obtained, which makes it difficult to improve and perfect the automatic driving system.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an intelligent detection device of an automatic driving system, which aims to:
the intelligent detection device for the automatic driving system is used for detecting the performance of the automatic driving system installed on the motor vehicle, the test dummy vehicle can perform high-speed stable linear motion according to a set route, and can transversely change or even continuously transversely change the traveling route according to needs, the detection requirements of the automatic driving system for the response performance of the test dummy vehicle in different traveling states are met, the requirements of the automatic driving system for detecting the diversity of indexes are met on the basis of improving the detection efficiency and the reliability of the detection device, and the guarantee is provided for the research, development and perfection of the automatic driving system.
In order to achieve the above object, the present invention provides the following technical solutions.
The utility model provides an automatic driving system intellectual detection system device for its performance of automatic driving system who is examined its installation of vehicle is detected through the motion of test false car, except the false car of test, still include test platform, the linear drive system who has the hold-in range and motion dolly, the false car of test is settled on the motion dolly, the motion dolly by linear drive system drives and carries out vertical linear motion, still includes:
the testing platform comprises a programmable logic controller, a transverse control module arranged on the moving trolley and a longitudinal movement regulating member arranged on the testing platform, wherein the wheels of the moving trolley are universal wheels, and the longitudinal movement regulating member is arranged in parallel with a synchronous belt in the linear driving system, wherein:
the transverse control module and the linear driving system are respectively in information communication with the programmable logic controller, and respectively work under the control of the programmable logic controller, and the transverse control module is also provided with a follow-up member which is connected with the longitudinal motion regulating member and can move on the longitudinal motion regulating member;
the transverse control module can maintain the current position of the follow-up member under the control of the programmable logic controller, and the follow-up member and the associated longitudinal motion regulation member can enable the moving trolley to do longitudinal linear motion on the test platform along the original traveling route of the moving trolley under the drive of the linear drive system; and is
The transverse control module can also enable the follow-up component to move transversely under the control of the programmable logic controller, and the follow-up component which moves transversely can enable the moving trolley to move transversely through the longitudinal movement regulating component which is associated with the follow-up component, so that the original traveling route of the moving trolley is changed, and the moving trolley can move longitudinally on the test platform according to the changed traveling route under the drive of the linear driving system.
Further:
the lateral control module further comprises a control motor and a lateral movement device connected with the follow-up member, wherein: the control motor is in information communication with the programmable logic controller and works under the control of the programmable logic controller, and the control motor is used for driving the transverse movement device to move;
the movement of the lateral movement means causes the following member to move in a direction perpendicular to the axis of the longitudinal movement regulating member.
Optionally:
the transverse movement device is a lead screw comprising a lead screw and a lead screw nut, wherein:
the screw rod is installed on the moving trolley and is perpendicular to the axis of the longitudinal movement regulating component, and the screw rod nut is connected with the follow-up component.
Further:
horizontal control module group still includes slide rail and nut connecting piece, wherein:
the sliding rails are arranged on the moving trolley and are arranged on two sides parallel to the screw rod;
one side of the nut connecting piece is connected with the screw rod nut, the other side of the nut connecting piece is connected with the follow-up component, and two ends of the nut connecting piece are respectively buckled with the two slide rails positioned on two sides of the screw rod.
Optionally, the following member is provided in plurality, and the following members are all distributed on the nut connecting piece.
Optionally, the longitudinal movement regulating member is a longitudinal linear groove excavated on the test platform, or the longitudinal movement regulating member is a longitudinal linear guide rail arranged on the test platform.
Optionally, the following member is a sliding block or a rotating wheel, the sliding block or the rotating wheel is arranged in the longitudinal linear groove, or the sliding block or the rotating wheel is fastened on the longitudinal linear guide rail.
Further:
the linear driving system further comprises a driving assembly and a driven assembly;
the driving assembly and the driven assembly are respectively arranged on the test platform and are respectively positioned at two ends of the longitudinal motion regulating member;
the synchronous belt is provided with a connecting mechanism connected with the moving trolley, the synchronous belt is wound between the driving component and the driven component, and the synchronous belt can make linear motion between the driving component and the driven component under the driving of the driving component.
Further:
the driving assembly comprises a driving motor, a speed reducer and a driving wheel, wherein the driving motor is in information communication with the programmable logic controller and works under the control of the programmable logic controller, an input shaft of the speed reducer is connected with the driving motor, and an output shaft of the speed reducer is connected with the driving wheel;
a steering wheel is arranged on the driven assembly;
the synchronous belt is wound on the main wheel and the rotating wheel, and the connecting mechanism is a buckle which is arranged on the synchronous belt and can be clamped with the moving trolley.
Optionally, the false car of test is formed by the concatenation of foam material module, and the concatenation is constituteed respectively mark the serial number on each foam material module of the false car of test.
Compared with the prior art, the invention has the beneficial effects and obvious progress that:
1) the invention provides an intelligent detection device of an automatic driving system, which comprises an existing test dummy car, a test platform, a linear driving system and a moving trolley in the prior art, and also comprises a programmable logic controller, a transverse control module arranged on the moving trolley and a longitudinal movement regulating member arranged on the test platform, wherein the wheels of the moving trolley are universal wheels, the longitudinal movement regulating member is parallel to a synchronous belt, the transverse control module and the linear driving system are respectively communicated with the programmable logic controller and respectively work under the control of the programmable logic controller, the transverse control module is also provided with a follow-up member which is connected with the longitudinal movement regulating member and can move on the longitudinal movement regulating member, the transverse control module can maintain the current position of the follow-up member under the control of the programmable logic controller, the transverse control module can also make the following component perform transverse motion under the control of the programmable logic controller and make the moving trolley perform transverse motion through the longitudinal movement regulation component related to the following component, so that the original traveling route of the moving trolley is changed and the moving trolley performs longitudinal motion on the test platform according to the changed traveling route under the drive of the linear drive system;
2) according to the intelligent detection device for the automatic driving system, the test dummy car arranged on the moving trolley can perform high-speed stable linear motion according to a set route after being matched with the associated longitudinal motion regulating member through the follow-up member, and can also be matched with the longitudinal motion regulating member through the transverse control module under the control of the programmable logic controller to transversely change or even continuously transversely change the traveling route of the test dummy car according to needs, so that the detection requirements of the automatic driving system for the response performance of the test dummy car in different traveling states can be met, the requirement of the automatic driving system for detecting the diversity of indexes is met on the basis of improving the detection efficiency and the reliability of the detection device, and the guarantee is provided for the research, development and perfection of the automatic driving system;
3) the intelligent detection device of the automatic driving system provided by the invention adopts the following component and the longitudinal movement regulation component to carry out correlation matching, so that the moving trolley provided with the test dummy car can always move along a straight line through the straight line driving system, thereby completely overcoming the problems that the motor vehicle to be detected can not obtain the complete and accurate detection data of the relevant performance indexes of the automatic driving system installed on the motor vehicle to be detected due to the out-of-control deviation phenomenon in the process of testing the false vehicle in the prior art, ensuring the complete completion of the detection work, so that the original test dummy car can only provide the detection condition of the non-deviation linear motion state when the speed of the test dummy car does not exceed 30km/h, the detection device can provide detection conditions for keeping the linear motion state when the speed exceeds 120km/h, and provides better detection conditions for the research, development and perfection of an automatic driving system;
4) because the intelligent detection device of the automatic driving system provided by the invention intelligently controls the transverse control module and the linear driving system through the programmable logic controller (PLC for short), so that the transverse control module can make the following component of the transverse control module generate controllable and autonomous transverse movement through the longitudinal movement regulation component which is associated with the transverse control module under the control of the programmable logic controller, thereby changing the original traveling route of the moving trolley and longitudinally moving on the test platform according to the changed traveling route under the driving of the linear driving system, thereby completely overcoming the defects that the test fake vehicle can not automatically and controllably change the advancing route of the test fake vehicle and can not meet the detection requirements of various performance indexes of an automatic driving system in the prior art, in the detection process, the whole device does not need to be moved to meet the detection requirement, time and labor are saved, and the detection efficiency is greatly improved;
5) in a word, the intelligent detection device for the automatic driving system provided by the invention has the advantages of novel and unique design, compact and simple structure, simple and convenient manufacture and installation, reliable and stable work, provides better detection conditions for the research, development and perfection of the automatic driving system, opens up a new idea and method, has outstanding substantive characteristics and remarkable progress compared with the prior art, and has great popularization and application values.
Drawings
To more clearly illustrate the technical solution of the present invention, the drawings required for the embodiment of the present invention will be briefly described below.
Obviously:
the drawings in the following description are only part of the embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts, but the other drawings also belong to the drawings required to be used by the embodiments of the present invention.
Fig. 1 is a schematic perspective view of an intelligent detection device of an automatic driving system according to an embodiment of the present invention;
FIG. 2 is a schematic perspective view of a moving cart of an intelligent detection device of an automatic driving system according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional structural diagram of an intelligent detection device of an automatic driving system according to an embodiment of the present invention;
FIG. 4 is an enlarged view of the structure of part A in FIG. 3;
fig. 5 is a schematic perspective view of a linear driving system of an intelligent detection apparatus for an automatic driving system according to an embodiment of the present invention;
fig. 6 is a schematic top view of a linear driving system of an intelligent detection device of an automatic driving system according to an embodiment of the present invention.
In the figure:
100-testing a fake vehicle;
200-test platform, 211-longitudinal linear slot;
300-a linear driving system, 310-a synchronous belt, 320-a driving component, 321-a driving wheel, 330-a driven component and 331-a steering wheel;
400-moving trolley, 410-wheels, 421-follow-up component, 422-control motor, 423-screw rod, 424-screw rod nut, 425-sliding rail and 426-nut connecting piece.
Detailed Description
In order to make the objects, technical solutions, advantages and significant advances of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings provided in the embodiments of the present invention, it is obvious that all the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
It should be noted that:
the terms "first," "second," and "third" (if any), etc. in the description and claims of the present invention and the accompanying drawings of embodiments of the present invention are used for distinguishing between different objects and not for describing a particular order;
furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to the listed steps or elements, but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It is to be understood that:
in the description of the embodiments of the present invention, the terms "upper", "lower", "top", "bottom", and other indicative orientations or positions are only used for describing the orientations or positional relationships based on the embodiments of the present invention and are used for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the devices or elements described must have a specific orientation, a specific orientation configuration and operation, and therefore, the present invention should not be construed as being limited thereto.
In the present invention, unless otherwise specifically stated or limited, the terms "mounted," "connected," "fixed," and the like are to be understood broadly, and for example, may be fixedly connected, detachably connected, movably connected, or integrated; the term "a" or "an" refers to a compound that can be directly connected or indirectly connected through an intermediate, and can be used in combination with or without other elements, unless otherwise specifically limited, and the specific meaning of the term in the present invention can be understood by those skilled in the art according to specific situations.
It should also be noted that:
the following embodiments may be combined with each other, and the same or similar concepts or processes may not be described in detail in some embodiments.
The technical means of the present invention will be described in detail below with specific examples.
Examples
The embodiment provides an automatic driving system intelligent detection device for detecting the performance of an automatic driving system installed on a detected vehicle by testing the motion of a fake vehicle.
Fig. 1 is a schematic perspective view of an intelligent detection device of an automatic driving system according to an embodiment of the present invention, and fig. 2 is a schematic perspective view of a moving cart of the intelligent detection device of an automatic driving system according to an embodiment of the present invention:
an automatic driving system intelligent detection device, besides the test dummy car 100, also includes the test platform 200, the linear driving system 300 with the synchronous belt 310 and the moving trolley 400, the test dummy car 100 is installed on the moving trolley 400, the moving trolley 400 is driven by the linear driving system 300 to make longitudinal linear motion, also includes:
a programmable logic controller (not shown in the figure), a transverse control module mounted on the moving trolley 400, and a longitudinal movement regulating member mounted on the testing platform 200, wherein the wheels 410 of the moving trolley 400 are universal wheels, and the longitudinal movement regulating member is arranged in parallel with the synchronous belt 310 in the linear driving system 300, wherein:
the transverse control module and the linear driving system 300 are respectively in information communication with a programmable logic controller (not shown in the figure), and the transverse control module and the synchronous belt linear driving system respectively work under the control of the programmable logic controller, and the transverse control module is also provided with a follow-up member 421 which is connected with the longitudinal movement regulating member and can move on the longitudinal movement regulating member;
the transverse control module can maintain the current position of the following member 421 under the control of a programmable logic controller (not shown in the figure), and the following member 421 and the associated longitudinal movement regulation member can make the moving trolley 400 make longitudinal linear movement on the test platform 200 along the original traveling route of the moving trolley 400 under the drive of the linear drive system 300; and is
The transverse control module can also make the following member 421 perform transverse movement under the control of a programmable logic controller (not shown in the figure), and the following member 421 which performs transverse movement can make the moving trolley 400 perform transverse movement through a longitudinal movement regulation member associated with the following member, so as to change the original traveling route of the moving trolley 400 and perform longitudinal movement on the test platform 200 according to the changed traveling route under the driving of the linear driving system 300.
From the above description, it can be seen that:
firstly, the intelligent detection device for the automatic driving system provided by the embodiment comprises an existing test dummy car, a test platform, a linear driving system and a moving trolley in the prior art, and further comprises a programmable logic controller, a transverse control module arranged on the moving trolley and a longitudinal movement regulating member arranged on the test platform, wherein wheels of the moving trolley are universal wheels, the longitudinal movement regulating member is parallel to a synchronous belt, the transverse control module and the linear driving system are respectively communicated with the programmable logic controller in information and respectively work under the control of the programmable logic controller, and the transverse control module is also provided with a follow-up member which is connected with the longitudinal movement regulating member and can move on the longitudinal movement regulating member;
secondly, the intelligent detection device for the automatic driving system provided by the embodiment is a test dummy car arranged on a moving trolley, can perform high-speed stable linear motion according to a set route after the follow-up component is matched with the associated longitudinal motion regulating component, and can also be matched with the longitudinal motion regulating component through the transverse control module and the longitudinal motion regulating component to transversely change or even continuously transversely change the traveling route of the test dummy car under the control of the programmable logic controller according to needs, so that the detection requirements of the automatic driving system on the response performance of the test dummy car in different traveling states can be met, and the requirements of the automatic driving system on the detection index diversity can be met on the basis of improving the detection efficiency and the reliability of the detection device;
thirdly, the intelligent detection device for the automatic driving system provided by the embodiment enables the moving trolley provided with the test dummy car to move along a straight line all the time through the linear driving system by the association and matching of the follow-up component and the longitudinal movement regulation component, thereby completely overcoming the problem that the tested motor vehicle cannot obtain complete and accurate detection data of relevant performance indexes of the automatic driving system installed on the tested motor vehicle due to the out-of-control deviation phenomenon in the movement of the test dummy car in the prior art, and ensuring the satisfactory completion of the detection work;
experiments prove that the test dummy car in the prior art can only provide the detection condition of the non-deviation linear motion state when the speed of the test dummy car does not exceed 30km/h, while the intelligent detection device of the automatic driving system provided by the embodiment can provide the detection condition of the test dummy car which can still keep the linear motion state when the speed of the test dummy car exceeds 120km/h, thereby providing better detection conditions for the research, development and perfection of the automatic driving system;
in addition, the intelligent detection device for the automatic driving system provided by this embodiment adopts a programmable logic controller (PLC for short), so as to intelligently control the transverse control module and the linear driving system, so that the transverse control module can make the following member of the transverse control module generate controllable and autonomous transverse movement of the moving trolley through the longitudinal movement regulating member associated with the transverse control module under the control of the PLC, thereby changing the original traveling route of the moving trolley and making longitudinal movement on the test platform according to the changed traveling route under the drive of the linear driving system, thereby completely overcoming the defects in the prior art that the test dummy car cannot autonomously and controllably change the traveling route thereof, and cannot meet the detection requirements of various performance indexes of the automatic driving system, and in the detection process, the whole device does not need to be moved to adapt to the detection requirements, thus saving time and labor, the efficiency of detection is greatly improved.
Further, it can be seen from fig. 2 that:
the lateral control module further comprises a control motor 422 and a lateral movement device connected to the follower member 421, wherein: the control motor 422 is in information communication with a programmable logic controller (not shown in the figure) and works under the control of the programmable logic controller (not shown in the figure), and the control motor 422 is used for driving the transverse movement device to move;
the movement of the lateral moving means moves the following member 421 in the direction perpendicular to the axis of the longitudinal movement regulating member.
As can be further seen from fig. 2, in the present embodiment:
the lateral movement means is a lead screw comprising a lead screw 423 and a lead screw nut 424, wherein:
the screw 423 is installed on the moving trolley 400, the screw 423 is perpendicular to the axis of the longitudinal movement regulating member, and the screw nut 424 is connected with the following member 421.
It can be seen that the transverse movement device adopts a lead screw, so that the structure is simple, the operation and the control are convenient, the reaction is rapid, and the work is reliable.
Further, it can be seen from fig. 2 that:
the lateral control module further comprises a slide rail 425 and a nut connector 426, wherein:
the slide rails 425 are installed on the moving trolley 400, and the slide rails 425 are arranged on two sides parallel to the screw rod 423;
one side of the nut coupler 426 is connected to the screw nut 424, the other side of the nut coupler 426 is connected to the follower member 421, and both ends of the nut coupler 426 are respectively fastened to two slide rails 425 located at both sides of the screw 423.
As can also be seen from fig. 2, in the present embodiment:
the following member 421 has a plurality, and the plurality of following members 421 are distributed on the nut connector 426.
The two ends of the sliding rail and the nut connecting piece are respectively buckled with the two sliding rails positioned on the two sides of the screw rod, so that the screw rod can work more stably and reliably;
and the plurality of following components are arranged on the nut connecting piece, so that the following components and the longitudinal movement regulating components are more reliably associated, and the association points are more, thereby better controlling the movement of the movement trolley.
Fig. 1 and fig. 3 are schematic structural diagrams of cross sections of an intelligent detection device of an automatic driving system according to an embodiment of the present invention, and fig. 4 is an enlarged schematic diagram of a portion a in fig. 3:
the longitudinal movement restraining member is a longitudinal linear slot 211 cut into the test platform 200 or a longitudinal linear guide rail (not shown) disposed on the test platform 200.
As an optional implementation manner, in this embodiment:
the following member 421 is a sliding block or a rotating wheel, the sliding block or the rotating wheel is disposed in the longitudinal linear slot 211, or the sliding block or the rotating wheel is fastened to a longitudinal linear guide (not shown).
Fig. 5 is a schematic perspective view of a linear driving system of an intelligent detection apparatus for an automatic driving system according to an embodiment of the present invention:
the linear drive system 300 further includes a driving assembly 320 and a driven assembly 330;
the driving assembly 320 and the driven assembly 330 are respectively disposed on the testing platform 200, and the driving assembly 320 and the driven assembly 330 are respectively disposed at two ends of the longitudinal movement regulating member;
the synchronous belt 310 is provided with a connecting mechanism (not shown) connected to the moving cart 400, the synchronous belt 310 is wound between the driving component 320 and the driven component 330, and the synchronous belt 310 can move linearly between the driving component 320 and the driven component 330 under the driving of the driving component 320.
Further, as shown in fig. 6, a schematic top view structure diagram of a linear driving system of an intelligent detection device for an automatic driving system according to an embodiment of the present invention is shown:
the driving assembly 320 includes a driving motor (not shown), a speed reducer (not shown) and a driving wheel 321, wherein the driving motor (not shown) is in information communication with the programmable logic controller (not shown) and works under the control of the programmable logic controller (not shown), an input shaft of the speed reducer (not shown) is connected with the driving motor (not shown), and an output shaft of the speed reducer (not shown) is connected with the driving wheel 321;
the driven assembly 330 is provided with a steering wheel 331;
the timing belt 310 is wound around the driving wheel 321 and the steering wheel 331, and the connection mechanism (not shown) is a buckle which is arranged on the timing belt 310 and can be clamped with the motion trolley 400.
Optionally, in this embodiment:
the test trolley 100 is formed by splicing foam material modules, and numbers are respectively marked on the foam material modules which are spliced to form the test trolley 100.
The test dummy car is formed by splicing the foam material modules, is low in price and quick to install, and can be completely disassembled when collision occurs, the moving trolley and the tested motor vehicle can be prevented from being damaged, so that the detection cost can be greatly reduced, and potential safety hazards can be eliminated.
In summary, it can be seen that:
the invention sets and combines the programmable logic controller, the transverse control module and the longitudinal movement regulation component on the existing automatic driving system detection device, and changes the wheels of the moving trolley in the existing automatic driving system detection device into universal wheels, thus forming a brand-new intelligent detection device of the automatic driving system;
the intelligent detection device for the automatic driving system provided by the invention has the advantages that the test dummy car can perform high-speed stable linear motion according to a set route after the follow-up member on the transverse control module is in correlation fit with the longitudinal motion regulating member, and can also transversely change or even continuously transversely change the traveling route under the control of the programmable logic controller according to needs, so that the detection requirements of the automatic driving system on the response performance of the test dummy car in different traveling states are met;
the invention not only completely overcomes the problem that the tested motor vehicle cannot obtain the relevant performance indexes of the automatic driving system installed on the tested motor vehicle due to the out-of-control deviation phenomenon of the tested dummy vehicle in the prior art and complete and accurate detection data, but also completely overcomes the defect that the tested dummy vehicle cannot autonomously and controllably change the traveling route of the tested motor vehicle and cannot meet the detection requirements of various performance indexes of the automatic driving system in the prior art, greatly improves the detection efficiency, can ensure the complete detection work, and provides better detection equipment for the research, development and perfection of the automatic driving system.
During the description of the above description:
the description of the terms "present embodiment," "as shown at … …," "further improved technical solution," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention, and the schematic representation of the terms in this specification is not necessarily intended to refer to the same embodiment or example, and the particular feature, structure, material, or characteristic described, etc., may be combined or coupled in any suitable manner in any one or more embodiments or examples;
furthermore, those of ordinary skill in the art may combine or combine features of different embodiments or examples and features of different embodiments or examples described in this specification without undue conflict.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the above embodiments can be modified, or some or all of the technical features can be equivalently replaced, and the modifications or the replacements do not make the essence of the corresponding technical solutions depart from the technical solutions of the embodiments of the present invention, and the person of ordinary skill in the art can make insubstantial improvements, modifications or replacements according to the content of the present specification, and all of the technical solutions are within the scope of the present invention as claimed.
Claims (10)
1. The utility model provides an automatic driving system intellectual detection system device for its performance of automatic driving system who is examined its installation of vehicle is detected through the motion of test false car, except the false car of test, still include test platform, linear drive system and motion dolly, the false car of test is settled on the motion dolly, the motion dolly by linear drive system drives and carries out vertical linear motion, its characterized in that still includes:
the testing platform comprises a programmable logic controller, a transverse control module arranged on the moving trolley and a longitudinal movement regulating member arranged on the testing platform, wherein the wheels of the moving trolley are universal wheels, and the longitudinal movement regulating member is arranged in parallel with a synchronous belt in the linear driving system, wherein:
the transverse control module and the linear driving system are respectively in information communication with the programmable logic controller, and respectively work under the control of the programmable logic controller, and the transverse control module is also provided with a follow-up member which is connected with the longitudinal motion regulating member and can move on the longitudinal motion regulating member;
the transverse control module can maintain the current position of the follow-up member under the control of the programmable logic controller, and the follow-up member and the associated longitudinal motion regulation member can enable the moving trolley to do longitudinal linear motion on the test platform along the original traveling route of the moving trolley under the drive of the linear drive system; and is
The transverse control module can also enable the follow-up component to move transversely under the control of the programmable logic controller, and the follow-up component which moves transversely can enable the moving trolley to move transversely through the longitudinal movement regulating component which is associated with the follow-up component, so that the original traveling route of the moving trolley is changed, and the moving trolley can move longitudinally on the test platform according to the changed traveling route under the drive of the linear driving system.
2. The intelligent detection device of an autonomous driving system as recited in claim 1, wherein:
the lateral control module further comprises a control motor and a lateral movement device connected with the follow-up member, wherein:
the control motor is in information communication with the programmable logic controller and works under the control of the programmable logic controller, and the control motor is used for driving the transverse movement device to move;
the movement of the lateral movement means causes the following member to move in a direction perpendicular to the axis of the longitudinal movement regulating member.
3. The intelligent detection device of an autonomous driving system as recited in claim 2, wherein:
the transverse movement device is a lead screw comprising a lead screw and a lead screw nut, wherein:
the screw rod is installed on the moving trolley and is vertical to the axis of the longitudinal movement regulation member, and the screw rod nut is connected with the follow-up member.
4. The intelligent detection device of an autonomous driving system of claim 3, wherein:
horizontal control module group still includes slide rail and nut connecting piece, wherein:
the sliding rails are arranged on the moving trolley and are arranged on two sides parallel to the screw rod;
one side of the nut connecting piece is connected with the screw rod nut, the other side of the nut connecting piece is connected with the follow-up component, and two ends of the nut connecting piece are respectively buckled with the two slide rails positioned on two sides of the screw rod.
5. The intelligent detection device of an autonomous driving system of claim 4, wherein: the follow-up component has a plurality ofly, and a plurality ofly all distribute on the nut connecting piece.
6. The intelligent detection device of an autonomous driving system as recited in claim 1, wherein:
the longitudinal movement regulating member is a longitudinal linear groove excavated on the test platform, or the longitudinal movement regulating member is a longitudinal linear guide rail arranged on the test platform.
7. The intelligent detection device of an autonomous driving system of claim 6, wherein:
the follow-up component is a sliding block or a rotating wheel, the sliding block or the rotating wheel is arranged in the longitudinal linear groove, or the sliding block or the rotating wheel is buckled on the longitudinal linear guide rail.
8. The intelligent detection device of an autonomous driving system as recited in claim 1, wherein:
the linear driving system further comprises a driving assembly and a driven assembly;
the driving assembly and the driven assembly are respectively arranged on the test platform and are respectively positioned at two ends of the longitudinal motion regulating member;
the synchronous belt is provided with a connecting mechanism connected with the moving trolley, the synchronous belt is wound between the driving component and the driven component, and the synchronous belt can make linear motion between the driving component and the driven component under the driving of the driving component.
9. The intelligent detection device of an autonomous driving system of claim 8, wherein:
the driving assembly comprises a driving motor, a speed reducer and a driving wheel, wherein the driving motor is in information communication with the programmable logic controller and works under the control of the programmable logic controller, an input shaft of the speed reducer is connected with the driving motor, and an output shaft of the speed reducer is connected with the driving wheel;
a steering wheel is arranged on the driven assembly;
the synchronous belt is wound on the main wheel and the rotating wheel, and the connecting mechanism is a buckle which is arranged on the synchronous belt and can be clamped with the moving trolley.
10. The intelligent detection device of an autonomous driving system as recited in claim 1, wherein:
the test false car is formed by the concatenation of foam material module, and the concatenation is constituteed mark respectively on each foam material module of test false car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412862.XA CN114689344A (en) | 2022-04-19 | 2022-04-19 | Intelligent detection device of automatic driving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210412862.XA CN114689344A (en) | 2022-04-19 | 2022-04-19 | Intelligent detection device of automatic driving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114689344A true CN114689344A (en) | 2022-07-01 |
Family
ID=82143295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210412862.XA Pending CN114689344A (en) | 2022-04-19 | 2022-04-19 | Intelligent detection device of automatic driving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114689344A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220315020A1 (en) * | 2019-06-04 | 2022-10-06 | Volvo Truck Corporation | Autonomous vehicle control system |
-
2022
- 2022-04-19 CN CN202210412862.XA patent/CN114689344A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220315020A1 (en) * | 2019-06-04 | 2022-10-06 | Volvo Truck Corporation | Autonomous vehicle control system |
| US11975727B2 (en) * | 2019-06-04 | 2024-05-07 | Volvo Truck Corporation | Autonomous vehicle control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103302426A (en) | System and method for automatically changing multi-vehicle type car body positioning fixtures for flexible welding of robot | |
| US20110265301A1 (en) | Variable vehicle body fixed framer and method | |
| CN108689089B (en) | Automatic transfer trolley with crossed rails | |
| CN114689344A (en) | Intelligent detection device of automatic driving system | |
| CN203371518U (en) | Moving storage mechanism applicable to body positioning fixture auto-change system | |
| CN102402226A (en) | Electromagnetic guiding device for non-contact power supply automatic guided vehicle | |
| CN203227996U (en) | Carrying apparatus for bogie production line | |
| CN116344423B (en) | Material handling crown block based on wireless power supply and control method thereof | |
| CN212829122U (en) | Unmanned aerial vehicle air park | |
| CN110315008B (en) | Paying-off and disc-changing device and method for steel wire stranding machine | |
| CN110209165B (en) | Automatic identification accurate parking device for feeding and discharging of AGV trolley and parking method thereof | |
| CN111285038B (en) | Transport vehicle and automatic feeding and discharging processing equipment | |
| CN217359021U (en) | Intelligent detection device of automatic driving system | |
| CN213135543U (en) | White car body main line total splicing switching system | |
| CN218058189U (en) | Heavy-load travelling crane | |
| CN202394116U (en) | Electromagnetic guide device for non-contact power supply type automatic guide vehicle | |
| CN101239620A (en) | Assembly line delivery wagon | |
| CN214933430U (en) | Accompanying device | |
| JPH11240608A (en) | Conveyer device in travelling course of unmanned conveyer vehicle | |
| CN110340589A (en) | Semitrailer assembly equipment | |
| CN210270626U (en) | Electromechanical system for accurately identifying carbon anode position and automatically positioning and clamping carbon anode | |
| CN210150056U (en) | Automatic transverse shearing line feeding vehicle system | |
| CN108189045A (en) | A kind of warp beam of warping machine transport robot and its control method | |
| CN111731733B (en) | Positioning device for stock bin, traceable active flower basket stock bin and stock bin conveying system | |
| CN212890660U (en) | AGV moving and carrying trolley for conveying steel wire material trays |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |