A Novel Acceleration Estimation Algorithm Based on Least Square Method

LI Jianghong; HU Zhaowen; CHEN Huaguo; ZHANG Yu

doi:10.13890/j.issn.1000-128x.2017.06.111

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A Novel Acceleration Estimation Algorithm Based on Least Square Method

更新时间：2021-12-13

- A Novel Acceleration Estimation Algorithm Based on Least Square Method
- Electric Drive for Locomotives Issue 1, Pages: 30(2018)
- 作者机构：
  
  1. 中车株洲电力机车研究所有限公司,湖南,株洲,412001
  2. 中南大学物理与电子学院,湖南,长沙,410012
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2017.06.111
  CLC：
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LI Jianghong, HU Zhaowen, CHEN Huaguo, et al. A Novel Acceleration Estimation Algorithm Based on Least Square Method. [J]. Electric Drive for Locomotives (1):30(2018)
DOI：

LI Jianghong, HU Zhaowen, CHEN Huaguo, et al. A Novel Acceleration Estimation Algorithm Based on Least Square Method. [J]. Electric Drive for Locomotives (1):30(2018) DOI： 10.13890/j.issn.1000-128x.2017.06.111.

摘要

加速度是运动控制的关键信号，根据速度计算或估计是获得加速度的主要方法。文章基于测量速度中信号和噪声的关系，推导了描述速度增量、真实加速度和噪声之间关系的数学模型，提出了将真实加速度作为模型参数，用递推最小二乘法对加速度进行估计的方法，并通过仿真验证了该方法的有效性。

Abstract

Acceleration signal plays an important role in motion control systems. One of the main ways to obtain the acceleration is to calculate or estimate it from measured velocity. It deduced a mathematical model describing the relationship among velocity increments, true acceleration and noises based on the relationship between the signal and noise in the measurement speed. Regarding the true acceleration as an unknown parameter of the model, it proposed to estimate the acceleration by using the extended recursive least square method. Finally, it verified the effectiveness of the acceleration estimation method by simulation.

关键词

加速度最小二乘法加速度估计

Keywords

accelerationleast square methodacceleration estimation

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