Battery State-of-Charge (SOC) Estimation

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课程简介

University of Colorado System

课程大纲

This week, you will learn some rigorous definitions needed when discussing SOC estimation and some simple but poor methods to estimate SOC. As background to learning some better methods, we will review concepts from probability theory that are needed to be able to deal with the impact of uncertain noises on a system's internal state and measurements made by a BMS.

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课程详情

In this course, you will learn how to implement different state-of-charge estimation methods and to evaluate their relative merits. By the end of the course, you will be able to: - Implement simple voltage-based and current-based state-of-charge estimators and understand their limitations - Explain the purpose of each step in the sequential-probabilistic-inference solution - Execute provided Octave/MATLAB script for a linear Kalman filter and evaluate results - Execute provided Octave/MATLAB script for state-of-charge estimation using an extended Kalman filter on lab-test data and evaluate results - Execute provided Octave/MATLAB script for state-of-charge estimation using an sigma-point Kalman filter on lab-test data and evaluate results - Implement method to detect and discard faulty voltage-sensor measurements

电池充电状态(SOC)估计:在本课程中,您将学习如何实现不同的充电状态估计方法并评估其相对优点。在课程结束时,您将能够: -实施简单的基于电压和基于电流的充电状态估算器,并了解其局限性 -解释顺序概率推理解决方案中每个步骤的目的 -为线性卡尔曼滤波器执行提供的Octave / MATLAB脚本并评估结果 -使用扩展的卡尔曼滤波器对实验室测试数据执行提供的Octave / MATLAB脚本以进行荷电状态评估并评估结果 -使用sigma-point Kalman滤波器对实验室测试数据执行提供的Octave / MATLAB脚本以进行荷电状态评估并评估结果 -实施检测和丢弃故障电压传感器测量值的方法

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