Enhanced Discrete-Time Sliding Mode Filter for Removing Noise

Shanhai Jin, Xiaodan Wang, Yonggao Jin and Xiaogang Xiong

Mathematical Problems in Engineering, 2017, vol. 2017, 1-12

Abstract:

This paper presents a new discrete-time sliding mode filter for effectively removing noise in control of mechatronic systems. The presented filter is an enhanced version of a sliding mode filter by employing an adaptive gain in determining a virtual desired velocity of the output. Owing to the use of backward Euler discretization, the discrete-time implementation of the filter does not produce chattering, which has been considered as a common problem of sliding mode techniques. Besides that, the state of the filter converges to the desired state in finite time. Numerical example and experimental position control of a mechatronic system are conducted for validating the effectiveness of the filter.

Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:3134987

DOI: 10.1155/2017/3134987

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