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Method for testing energy software by utilizing a lithium battery management unit simulation system

A management unit and simulation system technology, applied in the direction of electrical digital data processing, software testing/debugging, special data processing applications, etc., can solve problems such as inability to perform targeted testing, and achieve comprehensive testing, accurate test results, and convenient test results Judgmental effect

Active Publication Date: 2016-01-13
CHINA ACADEMY OF SPACE TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the existing test method, the energy software and the lithium-ion battery pack on the star are jointly tested to determine whether the entire system is working normally during the whole star test process, but it is impossible to carry out effective targeted tests on the function items of the energy software

Method used

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  • Method for testing energy software by utilizing a lithium battery management unit simulation system
  • Method for testing energy software by utilizing a lithium battery management unit simulation system

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0092] In this embodiment, the energy software voltage balance control function item of the method of the present invention is used for testing, wherein the balance discharge threshold is set to 25mv, and the balance charge threshold is 10mv. The specific test steps are as follows:

[0093] (1), set a group of test telemetry data in the lithium battery management unit simulation system, send to the computer on the star, the telemetry data includes: N single cell voltage v in the lithium ion storage battery pack 1 ~v N , Combined voltage Vg of M battery strings 1 ~Vg M and the entire battery pack voltage V t ; N and M are both positive integers; where:

[0094] In the test data set above, the minimum value of the effective cell voltage after the effective test of the cell is Vmin=50mV, and the voltage of the first cell is V1=80mV, the voltage of the second cell is V2=55mV, and the voltage of the second cell is V2=55mV. The voltage of the three single cells V3=70mV, the volt...

Embodiment 2

[0107] In this embodiment, the method of the present invention is used to perform a function test of a certain satellite energy software for autonomously switching the telemetry channel, and the specific test steps are as follows:

[0108] (1) Enable the equalization processing function of satellite energy software through remote control commands;

[0109] (2), set the A and B channels of the BIMU master CSB of the simulation system through the lithium battery management unit simulation system, and the A and B channels of the backup CSB are all working normally; set the reference voltage at the same time;

[0110] (3) The representation of the telemetry data identifying the AB channel of the CSB bus is communicating with the A channel of the master CSB;

[0111] (4) Assuming that the satellite stapling parameters consider the reference voltage to be 5000mV~6000mV, and confirm that the telemetry parameters of the CSB channel are true and credible, the reference voltage is set t...

Embodiment 3

[0114] In the present embodiment, the method of the present invention is adopted to test the function test of a certain satellite energy software autonomously managing BIMU remote control channel switching, and the specific test steps are as follows:

[0115] (1) Enable the equalization processing function of satellite energy software through remote control commands;

[0116] (2) Set the A and B channels of the main CSB of the simulated BIMU through the simulation system of the lithium battery management unit, and the A and B channels of the backup CSB are working normally; set the reference voltage at the same time;

[0117] (3) The representation of the telemetry data identifying the AB channel of the CSB bus is communicating with the A channel of the master CSB;

[0118] (4), send the command "BIMU host remote balance control single battery 3 balance backup open" to the lithium battery management unit simulation test system, the test system does not respond to the command, ...

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Abstract

The invention provides a method for testing energy software by utilizing a lithium battery management unit simulation system. The method is realized based on a ground test station and a computer on a satellite, wherein to-be-tested energy software is installed and bound in the computer on the satellite; the ground test station is equipped with the lithium battery management unit simulation system; and the simulation system performs functional simulation on a lithium battery management unit on the satellite and communicates with the computer on the satellite through a plurality of remote control communication channels and a plurality of telemetry communication channels. According to the method, a corresponding test condition is provided for the energy software by utilizing the lithium battery management unit simulation system, so that each functional item of the energy software is effectively tested and each functional item of the energy software installed in the communication satellite is ensured to run normally, wherein the specifically tested functional items include voltage balance control, automatic telemetry channel switching and automatic remote control channel switching.

Description

technical field [0001] The invention relates to the technical field of electrical performance testing of communication satellites, in particular to a method for testing energy software using a lithium battery management unit simulation system. Background technique [0002] At present, some communication satellites use lithium-ion battery packs as energy storage devices. The lithium-ion battery management unit on the satellite manages the lithium-ion battery pack on-orbit through the energy software equipped on the star. The main management content includes the battery pack's independent charge and discharge. , Voltage equalization control, over-current protection and fault monitoring. [0003] During the whole-star test of energy software, it involves the test of energy software management function, which needs to provide the energy software with the set battery voltage and test conditions required for the test. In the existing test method, the energy software and the lithi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/36G06F17/50
Inventor 赵欣孙海燕李斐韩欢
Owner CHINA ACADEMY OF SPACE TECHNOLOGY