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Method for establishing new energy bms hardware-in-the-loop test case library

A test case library and test case technology, applied in electrical testing/monitoring, testing/monitoring control systems, general control systems, etc., to simplify test work, prevent cross-influence, and eliminate mutual influence

Active Publication Date: 2021-06-04
DONGFENG MOTOR CORP HUBEI
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Problems solved by technology

It brings great difficulty to the application hardware-in-the-loop test

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  • Method for establishing new energy bms hardware-in-the-loop test case library

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Embodiment Construction

[0020] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0021] Such as figure 1 The shown new energy BMS hardware-in-the-loop test case library establishment method includes the following steps:

[0022] Step 1: Establish a hardware-in-the-loop test project in the hardware-in-the-loop simulation test software, and add the following five items to the hardware-in-the-loop test project:

[0023] Project A, the model for simulating the running state of the whole vehicle; Project B, the hardware boards required for BMS hardware-in-the-loop testing; Project C, the relationship file between the model for simulating the running state of the whole vehicle and the input / output relationship of BMS hardware; Project D , The observation window of any variable in the whole process of BMS hardware-in-the-loop test; project E, the correlation file between the arbitrary variable observation window and the correspond...

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Abstract

The invention discloses a method for establishing a new energy BMS hardware-in-the-loop test case library, comprising the following steps: 1. Establishing hardware-in-the-loop test items in hardware-in-the-loop simulation test software; 2. Using different storage spaces for the items Carry out block management to prevent data overlap; 3. Use test case execution software to establish BMS hardware-in-the-loop test case management files. 4. According to BMS hardware-in-the-loop test requirements, convert the BMS hardware-in-the-loop test Each test case forms a BMS hardware-in-the-loop test sequence, and defines the sequence of tests and the number of cycles for each test case. The invention defines test software, test hardware, models and test cases respectively to prevent problems in any one item from affecting the whole test and to facilitate error correction.

Description

technical field [0001] The invention relates to the technical field of new energy vehicle complete vehicle controllers, in particular to a method for establishing a new energy BMS hardware-in-the-loop test case library. Background technique [0002] At present, the software functions of the vehicle controller of new energy vehicles have increased exponentially compared with traditional vehicles. For the verification of software functions and hardware robustness, a more convenient method is to use hardware-in-the-loop testing. Nowadays, the writing of test cases in hardware-in-the-loop testing focuses on design from five aspects: test requirements management, test case type classification, traceability of product functional requirements and test requirements, and coverage relationship between test requirements and test cases. Generate a test process according to the test requirements, and complete the test of a complete test case library. Some test establishment methods ful...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05B23/02
CPCG05B23/0221
Inventor 何春芳杨帆赵建华米燕张建东
Owner DONGFENG MOTOR CORP HUBEI
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