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Electric car vehicle control unit offline detection system and method

A vehicle controller and electric vehicle technology, applied in electrical testing/monitoring, etc., can solve problems such as limited functions, and achieve the effects of ensuring reliability, ensuring traceability, and saving testing time

Inactive Publication Date: 2018-11-16
SICHUAN YEMA AUTOMATION CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When testing the VCU in this way, the upper computer is mainly aimed at the self-designed tooling board, which has limited functions and certain limitations.

Method used

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  • Electric car vehicle control unit offline detection system and method
  • Electric car vehicle control unit offline detection system and method

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Experimental program
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Embodiment Construction

[0025] Refer to attached Figure 1-2 , the embodiments of the present invention will be described in detail.

[0026] An electric vehicle vehicle controller off-line detection system, including a load box, the load box and the vehicle controller are respectively connected to the upper computer through the USBCAN card, the corresponding pins of the load box and the vehicle controller are connected, the load box and the upper The power input terminal of the machine is connected to the UPS power supply.

[0027] Further, the above load box includes a digital input and output module, an analog voltage resistance output module, a PWM input and output module, a terminal resistance detection module and a ground wire detection module, a digital input and output module, an analog voltage resistance output module, a PWM input and output module The module, terminal resistance detection module and ground wire detection module are respectively connected to the corresponding pins of the ve...

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Abstract

The present invention discloses an electric car vehicle control unit offline detection system. The system comprises a load box, the load box and a vehicle control unit are connected with an upper computer through USBCAN, the load box is connected with a pin corresponding to the vehicle control unit, and the load box and the power input end of the upper computer are connected with a UPS. The electric car vehicle control unit offline detection system and method can repeatedly perform continuous detection of the vehicle control unit through circulation detection and code scanning detection modes,can perform once code scanning detection of a certain part to ensure the reliability of detection of the vehicle control unit, can provide a parameter configuration function, can close channels whichare not needed for detection according to a VCU hardware actual ports so as to save the detection time, and provides a CAN line program flash function to combine function detection and program flashinto one step so as to save the manpower and the material cost.

Description

technical field [0001] The invention belongs to the technical field of electric vehicle control, and in particular relates to an off-line detection system and detection method for a complete vehicle controller of an electric vehicle. Background technique [0002] The vehicle controller (VCU) is the core component of an electric vehicle, responsible for data exchange and management of various vehicle systems, fault diagnosis, safety monitoring, and driver intention analysis. Its performance directly affects the performance of other electrical properties, and is one of the decisive factors for the performance of the vehicle. [0003] In the existing technology, the detection of the vehicle controller must rely on the vehicle system, and a special test bench is developed to test the function of the vehicle controller. Among them, the upper computer is an essential tool to realize the function detection. [0004] The traditional production process of vehicle controllers is to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
CPCG05B23/02
Inventor 刘炜华杨辉冯善义
Owner SICHUAN YEMA AUTOMATION CO LTD
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