AEB performance test system

Abstract

This invention discloses an AEB performance testing system, comprising: a test dummy for conducting pedestrian collision tests on the AEB braking system function; a test track including a first track, a second track, and a third track, with one end of the first track, one end of the second track, and one end of the third track connected to form a collision detection point, wherein the first track and the second track are arranged in a straight line, and the third track is arranged perpendicularly to the second track; a drive device for driving the test dummy to move on the test track; a test vehicle equipped with the AEB braking system, used to travel towards the collision detection point during pedestrian collision tests; and a cloud platform communicatively connected to the drive device and the AEB braking system, used to send a first control command when it is determined that the AEB braking system function meets the standard conditions, the first control command instructing the drive device to drive the test dummy along the first track towards the second track, or to send a second control command when it is determined that the AEB braking system function does not meet the standard conditions, the second control command instructing the drive device to drive the test dummy along the first track towards the third track. By using this AEB performance testing system, collisions between the test vehicle and the test dummy can be avoided during pedestrian collision tests due to the AEB braking system not meeting standard conditions, thus reducing maintenance costs and saving development expenses.

Description

Technical Field

[0001] This invention relates to the field of AEB testing technology, and in particular to an AEB performance testing system. Background Technology

[0002] For AEB (Autonomous Emergency Braking) pedestrian collision tests, traditional AEB pedestrian collision test devices do not provide collision protection for the test dummy and test equipment. Therefore, during AEB collision tests, it is easy for the test vehicle to collide with the test dummy, causing damage to the test equipment and increasing test development and maintenance costs. Summary of the Invention

[0003] This invention aims to at least solve one of the technical problems existing in the prior art. Therefore, one objective of this invention is to provide an AEB performance testing system that can avoid collisions between the test vehicle and the test dummy during AEB pedestrian collision tests due to the AEB braking system's failure to meet standard conditions, thereby ensuring the protection of the testing equipment during testing, reducing maintenance costs, and saving test development expenses.

[0004] To address the aforementioned problems, this invention proposes an AEB performance testing system, comprising: a test dummy used for pedestrian collision testing of the AEB braking system function; a test track including a first track, a second track, and a third track, wherein one end of the first track, one end of the second track, and one end of the third track are connected to form a collision detection point, and the first track and the second track are arranged in a straight line, while the third track is perpendicular to the second track; a driving device for driving the test dummy to move on the test track; and a test vehicle equipped with an AEB braking system. The vehicle travels towards the collision detection point during the pedestrian collision test; a cloud platform is communicatively connected to the drive device and the AEB braking system. The cloud platform is used to send a first control command when it is determined that the AEB braking system function meets the standard conditions. The first control command is used to instruct the drive device to drive the test dummy to move along the first track towards the second track, or to send a second control command when it is determined that the AEB braking system function does not meet the standard conditions. The second control command is used to instruct the drive device to drive the test dummy to move along the first track towards the third track.

[0005] According to an embodiment of the AEB performance testing system of the present invention, based on a test track including a first track, a second track, and a third track, and the first track and the second track being arranged in a straight line, and the third track being arranged perpendicularly to the second track, when the cloud platform determines that the AEB braking system function meets the standard conditions, it can be determined that the test vehicle and the test dummy will not collide during the test. Therefore, the movement path of the test dummy is driven along the first track towards the second track to indicate that the braking performance of the AEB braking system on the test vehicle meets the standard. Alternatively, when the cloud platform determines that the AEB braking system function does not meet the standard conditions, it can be determined that if the test vehicle continues to operate, there will be a risk of collision with the test dummy. Therefore, the movement path of the test dummy is driven along the first track towards the third track. That is to say, when there is a risk of collision between the test vehicle and the test dummy, the test dummy will be controlled to change its travel path to avoid collision between the test dummy and the test vehicle. This avoids the problem of collision between the test vehicle and the test dummy caused by the AEB braking system function not meeting the standard conditions, thereby ensuring the protection of the test device during the test, reducing maintenance costs, and saving development expenses.

[0006] In some embodiments, the cloud platform is further configured to: obtain the collision time between the test vehicle and the test dummy and the braking processing time of the AEB braking system; if the collision time is greater than the braking processing time, then determine that the AEB braking system function meets the standard conditions; if the collision time is less than or equal to the braking processing time, then determine that the AEB braking system function does not meet the standard conditions.

[0007] In some embodiments, the AEB performance testing system further includes: a radar detection device mounted on the test dummy, the radar detection device being used to detect the relative motion distance and relative motion speed between the test dummy and the test vehicle, and to obtain the collision time based on the relative motion distance and the relative motion speed; a wireless communication device communicatively connected to the radar detection device and the cloud platform, the wireless communication device being used to send the collision time to the cloud platform; and a power supply device connected to the radar detection device and the wireless communication device, used to supply power to the radar detection device and the wireless communication device.

[0008] In some embodiments, the driving device includes: a signal receiver communicatively connected to the cloud platform, the signal receiver being used to receive the first control command or the second control command; a drive motor disposed on the test track, the drive motor being used to drive the test dummy to move on the test track; and a motor controller communicatively connected to the signal receiver and the drive motor, the motor controller being used to control the state of the drive motor according to the first control command or the second control command.

[0009] In some embodiments, the drive motor includes: a first motor disposed on the second track, the first motor being used to drive the test dummy to move along the first track toward the second track under the control of the motor controller; and a second motor disposed on the third track, the second motor being used to drive the test dummy to move along the first track toward the third track under the control of the motor controller.

[0010] In some embodiments, the AEB performance testing system further includes a collision protection device disposed on the test dummy, the collision protection device being activated when it is determined that the AEB braking system function does not meet standard conditions, in order to provide physical protection for the test dummy.

[0011] In some embodiments, the collision protection device includes: a protection controller disposed on the test dummy, the protection controller being configured to send an inflation control command when it is determined that the AEB braking system function does not meet standard conditions; an inflation bag disposed on the test dummy; and an inflation device disposed on the test dummy, the inflation device being connected to the protection controller, the inflation device being configured to open and fill the inflation bag with gas upon receiving the inflation control command, thereby providing physical protection for the test dummy.

[0012] In some embodiments, the inflatable bag is positioned at the leg position of the test dummy.

[0013] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0015] Figure 1This is a block diagram of an AEB performance testing system according to an embodiment of the present invention;

[0016] Figure 2 This is a schematic diagram of an AEB performance testing system according to an embodiment of the present invention;

[0017] Figure 3 This is a block diagram of an AEB performance testing system according to another embodiment of the present invention;

[0018] Figure 4 This is a block diagram of a driving device according to an embodiment of the present invention;

[0019] Figure 5 A block diagram of a drive motor according to an embodiment of the present invention;

[0020] Figure 6 This is a schematic diagram of an AEB performance testing system according to an embodiment of the present invention;

[0021] Figure 7 This is a schematic diagram of an AEB performance testing system according to an embodiment of the present invention;

[0022] Figure 8 This is a schematic diagram of an AEB performance testing system according to an embodiment of the present invention;

[0023] Figure 9 This is a block diagram of an AEB performance testing system according to another embodiment of the present invention;

[0024] Figure 10 This is a block diagram of a collision protection device according to an embodiment of the present invention;

[0025] Figure 11 This is a schematic diagram of the leg of a test dummy according to an embodiment of the present invention.

[0026] Figure label:

[0027] AEB Performance Testing System 1000;

[0028] Test dummy 100, test track 200, drive equipment 300, test vehicle 400, cloud platform 500, radar detection equipment 600, wireless communication equipment 700, power supply equipment 800, collision protection equipment 900;

[0029] Signal receiver 10, drive motor 20, motor controller 30, protection controller 40, air bag 50, inflation device 60;

[0030] First motor 1, second motor 2. Detailed Implementation

[0031] The embodiments of the present invention are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present invention are described in detail below.

[0032] To address the aforementioned problems, a first aspect of the present invention provides an AEB performance testing system. According to this embodiment, the AEB performance testing system can prevent collisions from occurring during pedestrian collision tests in AEB testing, thereby protecting the testing equipment, reducing maintenance costs, and saving development expenses.

[0033] The following is for reference. Figure 1 AEB performance testing system according to an embodiment of the present invention is described. Figure 1 This is a block diagram of an AEB performance testing system according to an embodiment of the present invention, wherein the AEB performance testing system 1000 includes a test dummy 100, a test track 200, a drive device 300, a test vehicle 400, and a cloud platform 500.

[0034] Among them, test dummy 10 is used to conduct pedestrian collision tests on the AEB braking system function; it can be combined with Figure 2 The test track 200 includes a first track, a second track, and a third track. One end of the first track, one end of the second track, and one end of the third track are connected to form a collision detection point. The first track and the second track are arranged in a straight line, and the third track is arranged perpendicularly to the second track. The drive device 300 is used to drive the test dummy to move on the test track 200. The test vehicle 400 is equipped with an AEB braking system 1000 and is used to travel towards the collision detection point when conducting pedestrian collision tests. The cloud platform 500 is communicatively connected to the drive device 300 and the AEB braking system 1000.

[0035] Specifically, during a pedestrian collision test using AEB (Autonomous Emergency Braking), the drive unit 300 drives the test dummy 100 along the first track towards the collision detection point, while the test vehicle travels towards the collision detection point. When the test dummy 100 reaches the collision detection point, the cloud platform 500 determines whether the AEB braking system function meets the standard conditions and sends a corresponding command. If the standard conditions are met, the test vehicle 400 continues to operate without any risk of collision with the test dummy 100. At this time, the cloud platform 500 sends a first control command, instructing the drive unit 300 to drive the test dummy 100 along the first track towards the second track, completing the test. If the standard conditions are not met, the test vehicle 400 continues to operate with a risk of collision with the test dummy 100. At this time, the cloud platform 500 sends a second control command, instructing the drive unit 300 to drive the test dummy 100 along the first track towards the third track, moving away from the direction of movement of the test vehicle. This avoids or mitigates the damage caused by a collision between the test vehicle 400 and the test dummy 100, thereby reducing maintenance costs and saving development expenses.

[0036] According to the AEB performance testing system of the present invention, based on the test track including a first track, a second track, and a third track, and the arrangement of the first track and the second track being arranged in a straight line and the third track being arranged perpendicularly to the second track, when the cloud platform 500 determines that the AEB braking system function meets the standard conditions, it can be determined that the test vehicle 400 and the test dummy 100 will not collide during the test. Therefore, the motion path of driving the test dummy 100 is along the first track towards the second track, indicating that the braking performance of the AEB braking system on the test vehicle meets the standard. Alternatively, when the cloud platform 500 determines that the AEB braking system function does not meet the standard conditions... When a collision occurs, it can be determined that if the test vehicle 400 continues to operate, there is a risk of collision with the test dummy 100. Therefore, the movement path of the test dummy 100 is to move along the first track to the third track. In other words, when there is a risk of collision between the test vehicle 400 and the test dummy 100, the test dummy 100 will be controlled to change its travel path to avoid collision between the test dummy 100 and the test vehicle 400. This avoids the problem of collision between the test vehicle 400 and the test dummy 100 caused by the AEB braking system not meeting the standard conditions, thereby ensuring the protection of the test device during the test, reducing maintenance costs, and saving development expenses.

[0037] In some embodiments, the cloud platform is also used to obtain the collision time between the test vehicle and the test dummy and the braking processing time of the AEB braking system; if the collision time is greater than the braking processing time, it is determined that the AEB braking system function meets the standard conditions; if the collision time is less than or equal to the braking processing time, it is determined that the AEB braking system function does not meet the standard conditions.

[0038] Specifically, during a pedestrian collision test using AEB (Autonomous Emergency Braking), the test dummy 10 moves to the collision detection point. The cloud platform 500 acquires and compares the collision time between the test vehicle and the test dummy with the braking processing time of the AEB braking system. If the collision time is greater than the braking processing time, the AEB braking system is deemed to meet the standard conditions, indicating that the AEB braking system can respond and brake in a timely manner when a collision occurs. In this case, the test vehicle 400 continues to move without colliding with the test dummy 100. The motion path of the test dummy 100 is then driven along the first track towards the second track, demonstrating the effectiveness of the AEB braking system on the test vehicle 400. If the braking performance meets the standard, but the collision time is less than or equal to the braking processing time, then the AEB braking system is deemed to fail to meet the standard conditions. This means the AEB braking system cannot respond and brake in time during a collision. In this case, if the test vehicle 400 continues to run, it will collide with the test dummy 100. The system will then control the test dummy 100 to change its path, moving it from the first track to the third track, thus avoiding a collision between the test dummy 100 and the test vehicle 400. This prevents a collision caused by the AEB braking system failing to meet the standard conditions, ensuring the protection of the testing device during the test. The braking processing time is the duration during which the AEB braking system, when functioning normally, begins braking to avoid an obstacle after detecting one in front of the vehicle. The braking processing time can be set according to the vehicle's design and road conditions, and is not specifically limited here.

[0039] In some embodiments, reference Figure 3 As shown, the AEB performance testing system 1000 also includes a radar detection device 600, a wireless communication device 700, and a power supply device 800.

[0040] The radar detection device 600 is mounted on the test dummy and is used to detect the relative distance and speed between the test dummy 100 and the test vehicle 400, and to obtain the collision time based on the relative distance and speed. The wireless communication device 700 is connected to the radar detection device 600 and the cloud platform 500 and is used to send the collision time to the cloud platform 500. The power supply device 800 is connected to the radar detection device 600 and the wireless communication device 700 and is used to supply power to the radar detection device 600 and the wireless communication device 700.

[0041] Specifically, the collision time can be calculated using the following formula.

[0042] TTC=△S / △V

[0043] Wherein, TTC (time to crash) is the relative distance between the test dummy 100 and the test vehicle 400, and △V is the relative speed between the test dummy 100 and the test vehicle 400.

[0044] More specifically, the wireless communication device 700 communicates with the radar detection device 600 and the cloud platform 500. For example, the wireless communication device 700 and the radar detection device 600 can communicate via a CAN network, and the wireless communication device 700 and the cloud platform 500 can communicate via 5G (the 5th generation mobile communication technology) or WiFi (wireless fidelity), etc. No specific restrictions are placed on these; 5G is chosen for this explanation. The wireless communication device 700 can receive the TTC signal sent by the radar detection device 600 in real time and transmit the received TTC signal value to the cloud platform 500 via 5G communication. The cloud platform 500 then determines whether the AEB braking system meets the standard conditions. It should be noted that both the radar detection device 600 and the wireless communication device 700 are connected to the power supply device 800, which provides them with power.

[0045] In some embodiments, reference Figure 4 As shown, the drive device 300 includes a signal receiver 10, a drive motor 20, and a motor controller 30.

[0046] The signal receiver 10 is communicatively connected to the cloud platform 500 and is used to receive a first control command or a second control command. The drive motor 20 is set on the test track 200 and is used to drive the test dummy 100 to move on the test track 200. The motor controller 30 is communicatively connected to the signal receiver 10 and the drive motor 20 and is used to control the state of the drive motor 20 according to the first control command or the second control command.

[0047] Specifically, the signal receiver 10 can receive a first control command or a second control command issued by the cloud platform 500 and transmit it to the motor controller 30. The motor controller 30 controls the drive motor 20 according to the received command. If the signal receiver 10 receives the first control command, it will transmit it to the motor controller 30. The motor controller 30 controls the drive motor 20 to drive the test dummy 100 to move along the first track to the second track to complete the test. If the signal receiver 10 receives the second control command, it will transmit it to the motor controller 30. The motor controller 30 controls the drive motor 20 to drive the test dummy 100 to move along the first track to the third track, away from the direction of movement of the test vehicle, thereby avoiding or mitigating the damage to the test dummy 100 caused by the collision of the test vehicle 400.

[0048] In some embodiments, reference Figure 5 As shown, the drive motor 20 includes a first motor 1 and a second motor 2.

[0049] The first motor 1 is mounted on the second track and is used to drive the test dummy 100 to move along the first track towards the second track under the control of the motor controller 30; the second motor 2 is mounted on the third track and is used to drive the test dummy 100 to move along the first track towards the third track under the control of the motor controller 30.

[0050] In some embodiments, reference Figure 9 As shown, the AEB performance testing system 1000 also includes a collision protection device 900.

[0051] The collision protection device 900 is installed on the test dummy 100. The collision protection device 900 is used to activate when it is determined that the AEB braking system does not meet the standard conditions, so as to provide physical protection for the test dummy 100.

[0052] Specifically, when it is determined that the AEB braking system does not meet the standard conditions, the test vehicle 400 continues to operate and there is a risk of collision with the test dummy 100. The test dummy 100 will move away from the direction of movement of the test vehicle to avoid or mitigate the damage caused by the collision. However, the test dummy 100 will still be damaged after the collision. To solve the above problem, the collision protection device 900 is used to provide physical protection for the test dummy 100 in the event of a collision. For example, it can use elastic buffer materials or airbags to reduce the impact, thereby reducing the damage caused by the collision between the test vehicle 400 and the test dummy 100, thus reducing maintenance costs. During the test, even if the performance of the AEB braking system is insufficient, it can still protect the test dummy 100 and reduce the maintenance costs caused by the collision.

[0053] In some embodiments, reference Figure 10 As shown, the collision protection device 900 includes a protection controller 40, an inflatable bag 50, and an inflation device 60.

[0054] The protection controller 40 is installed on the test dummy 100. The protection controller 40 is used to send an inflation control command when it is determined that the AEB braking system function does not meet the standard conditions. The inflation bag 50 is installed on the test dummy 100. The inflation device 60 is installed on the test dummy 100 and is connected to the protection controller 40. The inflation device 60 is used to open and fill the inflation bag 50 with gas when it receives the inflation control command, so as to provide physical protection for the test dummy 100.

[0055] Specifically, when it is determined that the AEB braking system does not meet the standard conditions, the protection controller 40 will send an inflation control command to the inflation device 60 and start the inflation device 60. The inflation device 60 will fill the air bag 50 with gas so that when a collision occurs, the test dummy 100 can reduce the impact through the filled air bag 50 and reduce the damage caused by the collision.

[0056] In some embodiments, the inflatable bag is positioned at the leg position of the test dummy.

[0057] Specifically, in the event of a collision, the legs of the test dummy 100 suffer more severe damage than other parts. Therefore, an inflatable bag 50 is placed in the leg area of ​​the test dummy 100 to cushion the impact, reduce damage to the test dummy 100 during a collision, and lower repair costs caused by the collision. For example, Figure 11 As shown, the leg area of ​​the test dummy 100 can also be equipped with a power supply, radar detection equipment, and wireless communication equipment. The radar detection equipment and wireless communication equipment can receive TTC signals sent by the radar monitoring equipment in real time and transmit the received TTC signal values ​​to the cloud platform via 5G communication. The cloud platform then determines whether the AEB braking system meets the standard conditions. If the AEB braking system does not meet the standard conditions and a collision occurs, the inflation device 60 will be activated to quickly inflate the air bag 50 to mitigate the impact on the leg area. This reduces damage to the test dummy 100 during the test and lowers repair costs caused by the collision. It should be noted that the radar detection equipment 600, wireless communication equipment 700, and protection controller 40 are all connected to the power supply equipment 800, which provides them with power.

[0058] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example.

[0059] Although embodiments of the invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An AEB performance test system, characterized by, include: A test dummy used to conduct pedestrian collision tests on the AEB braking system function; The test track includes a first track, a second track, and a third track. One end of the first track, one end of the second track, and one end of the third track are connected to form a collision detection point. The first track and the second track are arranged in a straight line, and the third track is arranged perpendicularly to the second track. A driving device for driving the test dummy to move on the test track; The test vehicle is equipped with an AEB braking system and is used to travel towards the collision detection point during the pedestrian collision test. A cloud platform is communicatively connected to the drive device and the AEB braking system. The cloud platform is used to send a first control command when it is determined that the AEB braking system function meets the standard conditions. The first control command is used to instruct the drive device to drive the test dummy to move along the first track to the second track. Alternatively, when it is determined that the AEB braking system function does not meet the standard conditions, a second control command is sent. The second control command is used to instruct the drive device to drive the test dummy to move along the first track to the third track. The cloud platform is also used for: The collision time between the test vehicle and the test dummy and the braking processing time of the AEB braking system were obtained. If the collision time is greater than the braking processing time, then the AEB braking system function is determined to meet the standard conditions. If the collision time is less than or equal to the braking processing time, then the AEB braking system function is determined to not meet the standard conditions.

2. The AEB performance testing system according to claim 1, characterized in that, The AEB performance testing system also includes: A radar detection device is mounted on the test dummy. The radar detection device is used to detect the relative motion distance between the test dummy and the test vehicle and the relative motion speed between the test dummy and the test vehicle, and to obtain the collision time based on the relative motion distance and the relative motion speed. A wireless communication device, which is communicatively connected to the radar detection device and the cloud platform, is used to send the collision time to the cloud platform; A power supply device, which is connected to the radar detection device and the wireless communication device, is used to supply power to the radar detection device and the wireless communication device.

3. The AEB performance testing system according to claim 1 or 2, characterized in that, The driving device includes: A signal receiver, which is communicatively connected to the cloud platform, is used to receive the first control command or the second control command. A drive motor is mounted on the test track and is used to drive the test dummy to move on the test track. A motor controller is communicatively connected to the signal receiver and the drive motor. The motor controller is used to control the state of the drive motor according to the first control command or the second control command.

4. The AEB performance testing system according to claim 3, characterized in that, The drive motor includes: A first motor is mounted on the second track and is used to drive the test dummy to move along the first track toward the second track under the control of the motor controller. A second motor is mounted on the third track and is used to drive the test dummy to move along the first track toward the third track under the control of the motor controller.

5. The AEB performance testing system according to claim 1 or 2, characterized in that, The AEB performance testing system also includes: A collision protection device is installed on the test dummy and is used to activate when it is determined that the AEB braking system does not meet the standard conditions, so as to provide physical protection for the test dummy.

6. The AEB performance testing system according to claim 5, characterized in that, The collision protection device includes: A protection controller is mounted on the test dummy and is used to send an inflation control command when it is determined that the AEB braking system does not meet the standard conditions. An inflatable bag is disposed on the test dummy; An inflation device is provided on the test dummy and is connected to the protection controller. The inflation device is used to open and fill the inflation bag with gas when it receives the inflation control command, so as to provide physical protection for the test dummy.

7. The AEB performance testing system according to claim 6, characterized in that, The inflatable bag is positioned at the leg position of the test dummy.

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