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Artificial load system for test of VMS (vehicle management system)

A technology for simulating loads and load circuits, applied in the direction of electrical testing/monitoring, etc., to achieve the effect of avoiding durability and accurate data

Inactive Publication Date: 2013-01-02
BEIQI FOTON MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In VMS hardware R&D testing and production testing, there is currently no independent simulated load device that generates VMS load signals. The real electrical load is not designed for test equipment. In terms of device durability, stability, maintainability, etc. have varying degrees of defects

Method used

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  • Artificial load system for test of VMS (vehicle management system)
  • Artificial load system for test of VMS (vehicle management system)

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Embodiment Construction

[0008] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments.

[0009] figure 1 and figure 2 Respectively show the principle structure and partial detailed structure of the preferred embodiment of the present invention, in figure 1 and figure 2 Among them, BAT represents the power supply (battery), V DD Represents the device voltage, GND and the triangle symbol represent the ground terminal, and the symbols of other devices such as resistors and relays are also known to those skilled in the art, and will not be repeated here.

[0010] As shown, the preferred embodiment includes a load circuit 5 and a controller 6 . The load circuit 5 is used to generate a simulated load signal for testing the VMS (not shown in the figure) and send it to the VMS through the VMS harness interface 1 . The controller 6 is coupled with the upper controller through an isolated Controller Area Network (CAN) transc...

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Abstract

The invention provides an artificial load system for test of a VMS (vehicle management system). The artificial load system comprises a load circuit and a controller, the load circuit is used for generating load signals for test of the VMS and sending the load signals to the VMS, and the controller is coupled with the load circuit and used for receiving and executing orders sent by the superior controller to control the load circuit to send the load signals to the VMS. By the aid of the load circuit for generating various load signals required by test of the VMS, the defects of real electrical load devices in terms of durability, stability, maintainability and the like can be avoided, and tested data are reliable and accurate.

Description

technical field [0001] The invention relates to the technical field of testing of a vehicle management system (Vehicle Management System, referred to as VMS), in particular to a simulated load system for generating load signals for VMS testing. Background technique [0002] New energy vehicles represent the future development direction of automotive technology. As the vehicle control system of electric vehicles, VMS has become one of the three core technologies of new energy vehicles. The quality of VMS hardware design is related to multiple performances of the vehicle, such as safety. In VMS hardware R&D testing and production testing, there is currently no independent simulated load device that generates VMS load signals. The real electrical load is not designed for test equipment. In terms of device durability, stability, maintainability, etc. All have varying degrees of flaws. Contents of the invention [0003] The purpose of the present invention is to provide a si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B23/02
Inventor 何付同张春淮郭齐杰马建新王圣学左从兵
Owner BEIQI FOTON MOTOR CO LTD
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