A rollover bench test device and test method for a vehicle event data recording system

Abstract

The application discloses a rollover working condition bench test device of a vehicle event data recording system, and belongs to the technical field of vehicle event data recording system test devices.The rollover working condition bench test device comprises an EDR controller arranged on a rollover test bench, a rollover test bench controller connected with the rollover test bench and used for setting a rollover angle and a rollover angular velocity of the rollover test bench, so that the rollover test bench and the EDR controller thereon are rolled at the set rollover angular velocity, and an analog test box connected with the EDR controller and used for simulating and providing analog signals under real vehicle states.The EDR controller is used for receiving the analog signals under real vehicle states sent by the analog test box in real time, and recording rollover event data in real time when the rollover angle and / or the rollover angular velocity reaches a rollover angle trigger threshold and / or a rollover angular velocity trigger threshold.The rollover working condition trigger test of the vehicle can be carried out by using the unified trigger threshold (including the rollover angle and the rollover angular velocity trigger threshold), and the rollover working condition of the vehicle is convenient to master and verify.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile event data recording system testing, in particular to a rollover working condition bench test device and test method for an automobile event data recording system. BACKGROUND

[0002] With the continuous development of the automobile industry, the automobile event data recording system (EDR) is increasingly applied to vehicles, and the national standard document GB 39732-2020 "Automobile Event Data Recording System" has been implemented, so the detection of the automobile event data recording system (EDR) is becoming more and more important.

[0003] The automobile event data recording system (EDR) is composed of one or more vehicle-mounted electronic modules, and has the function of monitoring, collecting and recording the data of the vehicle and the occupant protection system before, during and after the collision event.

[0004] The currently published national standard GB 39732-2020 standard has test requirements and test methods for longitudinal collision and lateral collision trigger thresholds, which correspond to the front collision working condition and the side collision working condition of the automobile whole vehicle respectively, but the automobile whole vehicle rollover working condition is not required.

[0005] The automobile rollover working condition is a complex event, and there is currently no technology that can trigger the rollover working condition test for different types of automobiles to conveniently and reliably master the rollover working condition of the automobile. SUMMARY

[0006] The purpose of the present application is to provide a rollover working condition bench test device and test method for an automobile event data recording system in view of the technical defects of the prior art.

[0007] To this end, the present application provides a rollover working condition bench test device for an automobile event data recording system, comprising a rollover test bed, a rollover test bed controller, an EDR controller and a simulation test box.

[0008] The EDR controller is arranged on the rollover test bed.

[0009] The rollover test bed controller is connected with the rollover test bed, and is used for setting the rollover angle and rollover angular velocity of the rollover test bed, and controlling the rollover test bed to work, so that the rollover test bed and the EDR controller thereon are rolled at the set rollover angular velocity.

[0010] The simulation test box is connected with the EDR controller, and is used for simulating to provide a simulation signal under a real vehicle state, and then sending the simulation signal to the EDR controller in real time.

[0011] The EDR controller has a rollover angle trigger threshold and a rollover angular velocity trigger threshold during a rollover operation, and receives in real time a simulation signal of a real vehicle state from the simulation test box, and rolls synchronously with the rollover test bench. When the real-time rollover angle of the EDR controller on the rollover test bench is greater than or equal to the rollover angle trigger threshold of the EDR controller and / or the real-time rollover angular velocity is greater than or equal to the rollover angular velocity trigger threshold of the EDR controller, it is determined that a rollover accident has occurred in the vehicle, and the rollover event data is recorded in real time.

[0012] It can be seen from the technical solution provided by the above invention that, compared with the prior art, the present invention provides a rollover condition bench test device and test method for an automobile event data recording system. The device and test method are scientifically designed and can use a unified trigger threshold (including a rollover angle trigger threshold and a rollover angular velocity trigger threshold) to perform a rollover condition trigger test on the automobile, thereby conveniently and reliably mastering the rollover conditions of different types of automobiles, which has great practical significance.

[0013] The application of the present invention is beneficial to filling the gap in the testing of the vehicle event data recorder (EDR) system in the vehicle rollover working condition and to perform the calibration work of the EDR rollover working condition. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the three-dimensional structure of a rollover test bench in a rollover test bench test device for a vehicle event data recording system provided by the present invention;

[0015] Figure 2 This is a block diagram of the overall structure of a rollover test bench device for an automobile event data recording system provided by the present invention;

[0016] In the figure, 1-motor, 2-reducer, 3-coupling, 4-main output shaft, 5-rolling table, 6-bracket, 7-rolling test bench controller, 8-EDR controller, 9-DC power supply, 10-simulation test box;

[0017] 100-roll test bench. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0019] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] In the description of this patent, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," and "set" should be understood in a broad sense. For example, they can refer to fixed connection or set, detachable connection or set, or integral connection or set. Those skilled in the art will understand the specific meanings of the above terms in this patent based on the specific circumstances.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature identified as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0022] See also Figure 1 、 Figure 2 , the present invention provides a rollover test bench device for an automobile event data recording system, comprising a rollover test bench 100, a rollover test bench controller 7, an EDR controller 8 and a simulation test box 10;

[0023] An EDR controller 8 is provided on a rollover test bench 100;

[0024] The roll test bench controller 7 is connected to the roll test bench 100 and is used to set the roll angle and roll angular velocity of the roll test bench 100 and control the operation of the roll test bench 100 so that the roll test bench 100 (specifically, the roll table 5 therein) and the EDR controller 8 thereon are rolled at the set roll angular velocity until they are rolled to the set roll angle;

[0025] The simulation test box 10 is connected to the EDR controller 8 and is used to simulate and provide a simulation signal under a real vehicle state (i.e., a real vehicle signal), and then send it to the EDR controller 8 in real time;

[0026] The EDR controller 8 has a rollover angle trigger threshold and a rollover angular velocity trigger threshold when the rollover working condition is triggered, and receives real-time simulation signals from the simulation test box 10 in the real vehicle state in real time, and synchronously rolls over with the rollover test bed 100. When the real-time rollover angle of the EDR controller 8 on the rollover test bed 100 is greater than or equal to the rollover angle trigger threshold of the EDR controller 8 and / or the real-time rollover angular velocity is greater than or equal to the rollover angular velocity trigger threshold of the EDR controller 8, it is determined that the vehicle has a rollover accident, and the rollover event data is recorded in real time (i.e. triggered real-time rollover event data).

[0027] It should be noted that the rollover angular velocity set by the rollover test bed controller 7 is the rollover angular velocity value of the rollover test bed 100 when it is rolled over, and is also the rollover angular velocity of the motor 1 output shaft in the rollover test bed 100 when it is rolled over.

[0028] The rollover angle set by the rollover test bed controller 7 is the rollover angle that the rollover test bed 100 needs to roll over after starting to roll over (i.e. the rollover angle to be reached after starting to roll over from the static state), and is also the rollover angle that the motor 1 output shaft in the rollover test bed 100 needs to reach after rolling over.

[0029] In the present application, in order to simulate the real vehicle rollover working condition, the rollover angle set by the rollover test bed controller 7 is greater than or equal to the rollover angle trigger threshold of the EDR controller 8.

[0030] And / or, the rollover angular velocity set by the rollover test bed controller 7 is greater than or equal to the rollover angular velocity trigger threshold of the EDR controller 8.

[0031] In the present application, specifically, the simulation signal in the real vehicle state (i.e. the real vehicle signal) is a data signal including the vehicle speed, engine speed, brake switch state, longitudinal acceleration, ABS state, airbag state, steering wheel steering angle and seat belt usage state of the automobile, and is not limited to these contents.

[0032] It should be noted that in the present application, the simulation test box 10 is a mature bench test supporting device in the prior art. According to the content of section “5.3.1.1” of the national standard document GB 39732-2020 “Automobile Event Data Recording System”, the simulation test box 10 is a test box provided by the manufacturer to connect with the EDR controller 8, to simulate the peripheral signals and loads of the EDR controller 8 in the real vehicle state. The simulation test box 10 has the following conditions:

[0033] 1. The simulation test box 10 has a bus signal simulation function, which simulates and sends real vehicle signals to the EDR controller 8;

[0034] 2. The simulation test box 10 is equipped with necessary peripheral sensors, loads, hard-wire connection components and other accessories connected to the EDR controller 8 to ensure that the EDR controller 8 can work normally.

[0035] It should be noted that the simulation test box 10 is used to simulate and provide simulation signals under real vehicle conditions (i.e., real vehicle signals), and is connected to the EDR controller 8 for real-time signal communication to ensure that the EDR controller 8 can work normally (i.e., to ensure that the real-time flip angle and / or real-time flip angular velocity of the EDR controller 8 can record data when the trigger threshold is reached).

[0036] It should also be noted that in order for the EDR controller 8 to work properly, it must first be powered on and also have normal signal communication with the actual vehicle (or simulated actual vehicle).

[0037] In the present invention, the simulation signal under the real vehicle state (i.e., the real vehicle signal) is a variety of signals that need to be recorded in the built-in memory of the EDR controller 8 when the EDR controller 8 is triggered, such as pedal percentage, steering wheel angle, airbag detonation time, etc.

[0038] In the present invention, it should be noted that the EDR controller is a recorder, which functions like a "black box" on an airplane, recording vehicle signal data at the time of and before an accident for subsequent accident restoration.

[0039] In the present invention, the EDR controller 8 is a well-known, mature device currently installed in vehicles. The EDR controller 8 is an onboard electronic module used to monitor, collect, and record time-series data during a collision event, as specified in the national standard GB 39732-2020, "Automotive Event Data Recording System." Any module capable of achieving this function can serve as an EDR controller.

[0040] In the present invention, the rollover event data includes the simulation signal of the real vehicle state sent in real time by the simulation test box 10, as well as the real-time rollover angle and real-time rollover angular velocity of the vehicle (i.e., the real-time rollover angle and real-time rollover angular velocity of the vehicle when a rollover accident occurs).

[0041] It should be noted that when the EDR controller 8 on the rollover test bench 100 rolls over to the rollover angle trigger threshold and / or the rollover angular velocity trigger threshold, the rollover event data that the EDR controller 8 needs to record in real time includes the following specific contents:

[0042] In one aspect, the simulation signal under the real vehicle state is obtained from the simulation test box 10, which is used to restore the real situation of the car rollover accident (i.e. the car accident); that is, the vehicle signal recorded in the rollover event data needs to be consistent with the simulation signal under the real vehicle state (i.e. the real vehicle signal, as described above) provided by the simulation test box.

[0043] In another aspect, the rollover angle and the rollover angular velocity (i.e. the real-time rollover angle and the rollover angular velocity when triggered, i.e. the real-time rollover angle and the real-time rollover angular velocity when the vehicle has a car accident) are used to restore the real situation of the car rollover accident (i.e. the car accident);

[0044] In addition, according to the needs and settings of the user, the rollover event data can also include other types of real vehicle signals or simulated real vehicle signals.

[0045] It should be noted that in the present application, the rollover of the rollover platform 5 is to simulate the working condition of the car accident. The reason why the EDR controller 8 and the rollover platform 5 are rolled together is to simulate the working condition of the car accident. It needs to be further explained that: in the case of the real vehicle, the EDR controller 8 is installed on the chassis of the whole vehicle, and the rollover platform 5 is equivalent to the chassis of the whole vehicle, so that when simulating the car accident, the EDR controller 8 needs to be rolled together with the rollover platform 5 which simulates the chassis of the whole vehicle.

[0046] For the EDR controller 8 installed on the rollover platform 5, when the EDR controller 8 is rolled together with the rollover platform 5, the real-time rollover angle and the real-time rollover angular velocity of the EDR controller 8 will change, and when the real-time rollover angle or the real-time rollover angular velocity of the EDR controller 8 reaches a certain rollover angle or rollover angular velocity (for example, reaches a rollover angle trigger threshold or a rollover angular velocity trigger threshold), the EDR controller 8 will trigger the recording of the rollover event data.

[0047] In the present application, the power supply end of the EDR controller 8 is connected with the DC power supply 9;

[0048] The DC power supply 9 is used to output electric energy to provide working electricity for the EDR controller 8.

[0049] In the present application, the signal output end of the simulation test box 10 is connected with the signal input end of the EDR controller 8 through a signal line.

[0050] In the present application, the rollover test bed 100 includes a motor 1, a reducer 2, a shaft coupling 3, a main output shaft 4, a rollover platform 5 and a support 6;

[0051] The top right end of the support 6 is provided with the reducer 2;

[0052] The input end of the right side of the speed reducer 2 is connected with the output end of the motor 1;

[0053] The output end of the left side of the speed reducer 2 is connected with the main output shaft 4 through the shaft coupling 3;

[0054] The middle part of the main output shaft 4 is fixedly provided with the rolling table top 5;

[0055] The top of the rolling table top 5 is fixedly provided with the EDR controller 8.

[0056] Specifically, the motor 1 is a servo motor.

[0057] Specifically, the rolling test bench controller 7 is connected with the signal control end of the motor 1 in the rolling test bench 100 through a signal line.

[0058] The overturning angle and the overturning angular velocity of the rolling test bench 100 are specifically the overturning angle and the overturning angular velocity of the output shaft of the motor 1 in the rolling test bench 100.

[0059] It should be noted that the rolling test bench controller 7 is connected with the motor 1, so as to control the motor 1 to rotate, the output shaft of the motor 1 drives the speed reducer 2 to rotate, the output shaft of the speed reducer 2 drives the shaft coupling 3 to rotate, the shaft coupling 3 drives the main output shaft 4 to rotate, the main output shaft 4 drives the rolling table top 5 to rotate, so as to drive the EDR controller 8 installed on the rolling table top 5 to rotate, thereby realizing the rolling test of the automobile and the EDR controller 8 installed on the automobile under the condition of the definable angular velocity and the definable angle.

[0060] Preferably, the EDR controller 8 is fixedly arranged at the top center position of the rolling table top 5.

[0061] It should be noted that the support 6 is a frame structure.

[0062] Preferably, the top left and right ends of the support 6 are respectively provided with one bearing seat 601.

[0063] The two bearing seats 601 are respectively pivotally connected (i.e., rotatably connected) with the left and right ends of the main output shaft 4.

[0064] Preferably, the inner rings of the bearings in the two bearing seats 601 are respectively fixedly connected with the left and right ends of the main output shaft 4.

[0065] Preferably, the speed reducer 2 is connected with the top right end of the support 6 through the speed reducer mounting seat 602.

[0066] Preferably, the speed reducer mounting seat 602 is provided with a through hole which is transversely penetrated.

[0067] The output end on the left side of the speed reducer 2 penetrates through the through hole on the speed reducer mounting seat 602 horizontally, and is connected with the main output shaft 4 through the shaft coupling 3.

[0068] It should be noted that, for the present application, the rollover test bench controller 7 triggers the rollover test bench 100 to work, so that the rollover table 5 on the rollover test bench 100 rolls over at a set roll-over angular velocity, and when the real-time roll-over angle of the EDR controller 8 reaches (i.e., is greater than or equal to) the roll-over angle trigger threshold of the EDR controller 8 and / or the real-time roll-over angular velocity is greater than or equal to the roll-over angular velocity trigger threshold of the EDR controller 8, the EDR controller 8 is triggered to record the rollover event data.

[0069] Based on the above-mentioned rollover working condition bench test device of the automobile event data recording system provided by the present application, the present application further provides a test method of the rollover working condition bench test device of the automobile event data recording system, which specifically comprises the following steps:

[0070] Step S1, rollover test preparation operation: the EDR controller 8 to be tested is fixedly installed on the rollover table 5 of the rollover test bench 100, the direct current power supply 9 is turned on to supply power to the EDR controller 8, the simulation test box 10 is in real-time communication with the EDR controller 8, and the EDR controller 8 is simulated to provide simulation signals (i.e., real vehicle signals) in a real vehicle state, the rollover test bench controller 7 sets the roll-over angle and the roll-over angular velocity of the rollover test bench 100, and the EDR controller 8 has a roll-over angle trigger threshold and a roll-over angular velocity trigger threshold (i.e., the roll-over angle trigger threshold and the roll-over angular velocity trigger threshold are inherent values of the EDR controller 8);

[0071] It should be noted that the roll-over angle and the roll-over angular velocity of the rollover test bench 100 set by the rollover test bench controller 7 are specifically the roll-over angle and the roll-over angular velocity that the output shaft of the motor 1 in the rollover test bench 100 needs to reach after rolling over.

[0072] In step S1, preferably, the rollover test bench controller 7 sets the roll-over angle to 90° and the roll-over angular velocity to 180° / s.

[0073] It should be noted that, for the present application, the rollover parameters: the roll-over angle and the roll-over angular velocity are set by the rollover test bench controller 7 to simulate the rollover working condition of the real vehicle. Typically, 90° for the roll-over angle and 180° / s for the roll-over angular velocity are set as typical test conditions, but the conditions are not limited to this, and the roll-over angle and the roll-over angular velocity of the motor 1 can be dynamically adjusted according to the needs of the user during the working process of the rollover test bench.

[0074] Step S2, the rolling test execution operation: the rolling test bench controller 7 controls the rolling test bench 100 to work, so that the rolling test bench 100 (in particular, the rolling table 5 therein) and the EDR controller 8 thereon are rolled at a set roll angle speed until the set roll angle is reached;

[0075] Step S3, the rolling test recording operation: when the real-time roll angle of the EDR controller 8 on the rolling test bench 100 is greater than or equal to the roll angle trigger threshold of the EDR controller 8 and / or the real-time roll speed is greater than or equal to the roll angle speed trigger threshold of the EDR controller 8, the EDR controller 8 determines that the vehicle has a rollover accident, and records the rolling event data in real time (i.e. triggered real-time rolling event data).

[0076] It should be noted that for the present application, the EDR controller 8 can record this rolling event data, and the vehicle signals recorded in the rolling event data should be consistent with the simulated signals (i.e. real vehicle signals, as described above) provided by the simulation test box before the test.

[0077] Compared with the prior art, the rolling working condition bench test device and test method of the automobile event data recording system provided by the present application have the following beneficial effects:

[0078] 1. The present application first proposes a test method for the automobile event data recording system under the rolling working condition, which is beneficial to fill the test blank of the automobile event data recording system (EDR) under the rolling working condition of the automobile.

[0079] 2. For the present application, the rolling time of the rolling table on the rolling test bench is adjustable, and the rolling angle is adjustable, so that the EDR rolling working condition calibration work can be carried out.

[0080] In summary, compared with the prior art, the rolling working condition bench test device and test method of the automobile event data recording system provided by the present application have the following beneficial effects:

[0081] The technical scheme of the present application is to trigger the recording data (rolling event data) when the real-time roll angle or real-time roll speed of the EDR controller 8 reaches a certain roll angle or roll speed (for example, the roll angle trigger threshold and the roll speed trigger threshold), for subsequent accident reconstruction, so as to facilitate the comprehensive understanding of the rolling working condition of the automobile.

[0082] The application of the present application is advantageous to fill the test blank of the automobile event data recording system (EDR) in the automobile rollover working condition, and to carry out the calibration work of the EDR rollover working condition.

[0083] The above only describes the preferred embodiments of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should be considered as the protection scope of the present application.

Claims

1. A rollover test bench device for an automobile event data recording system, characterized in that: It includes a roll test bench (100), a roll test bench controller (7), an EDR controller (8) and a simulation test box (10); An EDR controller (8) is provided on a rollover test bench (100); A roll test bench controller (7) is connected to the roll test bench (100) and is used to set the rollover angle and rollover angular velocity of the roll test bench (100), and to control the operation of the roll test bench (100) so that the roll test bench (100) and the EDR controller (8) thereon are rolled at the set rollover angular velocity; A simulation test box (10) is connected to the EDR controller (8) and is used to simulate and provide a simulation signal under a real vehicle state, and then send it to the EDR controller (8) in real time; The EDR controller (8) has a rollover angle trigger threshold and a rollover angular velocity trigger threshold in a rollover working condition, and receives a simulation signal of a real vehicle state sent by the simulation test box (10) in real time, and rolls synchronously with the rollover test bench (100). When the real-time rollover angle of the EDR controller (8) on the rollover test bench (100) is greater than or equal to the rollover angle trigger threshold of the EDR controller (8) and / or the real-time rollover angular velocity is greater than or equal to the rollover angular velocity trigger threshold of the EDR controller (8), it is determined that the vehicle has a rollover accident, and the rollover event data is recorded in real time.

2. The rollover test bench device for the automobile event data recording system according to claim 1, characterized in that: The rollover event data includes a simulation signal of a real vehicle state sent in real time from the simulation test box (10), as well as the real-time rollover angle and real-time rollover angular velocity of the vehicle.

3. The rollover test bench device for the automobile event data recording system according to claim 1, characterized in that: The rollover angle set by the rollover test bench controller (7) is greater than or equal to the rollover angle trigger threshold of the EDR controller (8); And / or, the rollover angular velocity set by the rollover test bench controller (7) is greater than or equal to the rollover angular velocity trigger threshold of the EDR controller (8).

4. The rollover test bench device for the automobile event data recording system according to claim 1, characterized in that: The power supply end of the EDR controller (8) is connected to the DC power supply (9); A DC power supply (9) is used to provide working power to the EDR controller (8); The signal output end of the simulation test box (10) is connected to the signal input end of the EDR controller (8) through a signal line.

5. The rollover test bench device for the automobile event data recording system according to claim 1, characterized in that: The rollover test bench (100) comprises a motor (1), a reducer (2), a coupling (3), a main output shaft (4), a rollover table (5) and a bracket (6); A reducer (2) is provided at the top right end of the bracket (6); The input end on the right side of the reducer (2) is connected to the output end of the motor (1); The output end on the left side of the reducer (2) is connected to the main output shaft (4) through a coupling (3); A rolling table (5) is fixedly provided in the middle of the main output shaft (4); An EDR controller (8) is fixedly arranged on the top of the rolling table (5).

6. The rollover test bench device for the automobile event data recording system according to claim 5, characterized in that: A rollover test bench controller (7) is specifically connected to a signal control terminal of a motor (1) in the rollover test bench (100) via a signal line; The rollover angle and rollover angular velocity of the rollover test bench (100) are specifically the rollover angle and rollover angular velocity of the output shaft of the motor (1) in the rollover test bench (100).

7. The rollover test bench device for the automobile event data recording system according to claim 5, characterized in that: The EDR controller (8) is fixedly arranged at the top center position of the rolling table (5).

8. The rollover test bench device for the automobile event data recording system according to claim 5, characterized in that: A bearing seat (601) is provided at the left and right ends of the top of the bracket (6); The two bearing seats (601) are pivotally connected to the left and right ends of the main output shaft (4) respectively.

9. The rollover test bench device for the automobile event data recording system according to claim 8, characterized in that: The inner rings of the bearings in the two bearing seats (601) are fixedly connected to the left and right ends of the main output shaft (4) respectively; The reducer (2) is connected to the top right end of the bracket (6) through the reducer mounting seat (602); The reducer mounting seat (602) is provided with a through hole extending transversely therethrough; The output end on the left side of the reducer (2) passes through the through hole on the reducer mounting seat (602) in a transverse direction and is connected to the main output shaft (4) through the coupling (3).

10. A method for testing a rollover test bench device for an automobile event data recording system according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step S(1), rollover test preparation operation: the EDR controller (8) to be tested is fixedly mounted on the rollover table (5) of the rollover test bench (100), a DC power supply (9) is turned on to power the EDR controller (8), and at the same time, the simulation test box (10) communicates with the EDR controller (8) in real time to provide the EDR controller (8) with a simulation signal under a real vehicle state, and the rollover test bench controller (7) sets the rollover angle and rollover angular velocity of the rollover test bench (100), and the EDR controller (8) has a rollover angle trigger threshold and a rollover angular velocity trigger threshold; Step S(2), the roll test execution operation: controlling the roll test bench (100) to operate by the roll test bench controller (7), so that the roll test bench (100) and the EDR controller (8) thereon are turned at a set turning angular velocity until turning to a set turning angle; Step S(3), rollover test recording operation: when the real-time rollover angle of the EDR controller (8) on the rollover test bench (100) is greater than or equal to the rollover angle trigger threshold of the EDR controller (8) and / or the real-time rollover angular velocity is greater than or equal to the rollover angular velocity trigger threshold of the EDR controller (8), the EDR controller (8) determines that the vehicle has a rollover accident and records the rollover event data in real time.

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