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Assisted driving vehicle hardware-in-the-loop simulation test method and system

A technology for simulation testing and driving assistance, applied in electrical testing/monitoring, etc., can solve problems such as hardware simulation testing of vehicles that cannot be assisted in driving, and achieve the effects of shortening the development cycle, improving test efficiency, and improving the degree of simulation reduction

Active Publication Date: 2021-07-02
ZHENGZHOU YUTONG BUS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a hardware-in-the-loop simulation test method and system for an assisted driving vehicle, which is used to solve the problem that the prior art cannot perform a hardware-in-the-loop simulation test for an assisted driving vehicle

Method used

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  • Assisted driving vehicle hardware-in-the-loop simulation test method and system

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Embodiment 1

[0028] The assisted driving vehicle hardware-in-the-loop simulation testing method of the present invention comprises the following steps:

[0029] The corresponding scene information is collected according to the set test scene. The test scene includes environmental elements and traffic elements around the vehicle. The environmental elements include weather conditions, lighting conditions, and traffic signs. The traffic elements include the motion posture and trajectory of moving objects around the vehicle. Then, the corresponding scene information is sent to the smart car controller to be tested, and the smart car controller to be tested performs information fusion and decision-making according to the scene information, and sends the instruction of lateral dynamics to the driver model in the hardware-in-the-loop simulation platform. The longitudinal dynamics commands are sent to the vehicle controller, and the vehicle controller sends the longitudinal dynamics commands to the...

Embodiment 2

[0034] The smart bus hardware-in-the-loop simulation test system of the present invention comprises a smart car controller, an electric bus vehicle controller, a NI (National Instruments, National Instruments Inc.) hardware-in-the-loop simulation platform, scene simulation software, and vehicle dynamics model, such as figure 1 shown.

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Abstract

The invention relates to a hardware-in-the-loop simulation test method and system for an assisted driving vehicle. The intelligent controller to be tested performs information fusion and decision-making according to the corresponding scene information, and sends lateral dynamics instructions to the driver model in the hardware-in-the-loop simulation platform. The longitudinal dynamics command is sent to the vehicle controller, and the vehicle controller then sends the longitudinal dynamics command to the vehicle dynamics model, and the driver model and the vehicle dynamics model respectively control the transverse dynamics command and Respond to the commands of longitudinal dynamics, generate the current vehicle attitude information, compare the current vehicle attitude information with the standard vehicle attitude information, and judge the hardware-in-the-loop simulation test situation. The present invention performs joint simulation of the intelligent vehicle controller to be tested and the vehicle controller, builds a simulation platform according to the real vehicle system, improves the degree of simulation reduction and simulation accuracy, and solves the problem of long test period, low efficiency, high cost and test conditions of the real vehicle. , weather constraints and other factors.

Description

technical field [0001] The invention belongs to the field of simulation testing of intelligent driving of new energy buses, and in particular relates to a hardware-in-the-loop simulation testing method and system for assisted driving vehicles. Background technique [0002] A smart bus or automobile is a comprehensive system that integrates functions such as environmental perception, planning and decision-making, and multi-level assisted driving. The intelligent information exchange of roads, roads, etc. enables the bus to have intelligent environmental awareness, which can automatically analyze the safety and dangerous state of the bus, and make the bus reach the destination according to the wishes of the people, and finally achieve the purpose of operating instead of people. While the development of intelligent driving of electric buses has brought us great convenience, its safety has also become the top priority of our customers and the developers of every OEM. [0003] A...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
Inventor 王滋润杨学青苏常军吴光耀
Owner ZHENGZHOU YUTONG BUS CO LTD
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