<abstract xmlns="http://www.w3.org/1999/xhtml"><p> In the current paper, a residual generation filter with finite memory structure is proposed for sensor fault detection. The proposed finite memory residual generation filter provides the residual by real-time filtering of fault vector using only the most recent finite measurements and inputs on the window. It is shown that the residual given by the proposed residual generation filter provides the exact fault for noisefree systems. The proposed residual generation filter is specified to the digital filter structure for the amenability to hardware implementation. Finally, to illustrate the capability of the proposed residual generation filter, extensive simulations are performed for the discretized DC motor system with two types of sensor faults, incipient soft bias-type fault and abrupt bias-type fault. In particular, according to diverse noise levels and windows lengths, meaningful simulation results are given for the abrupt bias-type fault.</p></abstract>

In the current paper, a residual generation filter with finite memory structure is proposed for sensor fault detection. The proposed finite memory residual generation filter provides the residual by real-time filtering of fault vector using only the most recent finite measurements and inputs on the window. It is shown that the residual given by the proposed residual generation filter provides the exact fault for noisefree systems. The proposed residual generation filter is specified to the digital filter structure for the amenability to hardware implementation. Finally, to illustrate the capability of the proposed residual generation filter, extensive simulations are performed for the discretized DC motor system with two types of sensor faults, incipient soft bias-type fault and abrupt bias-type fault. In particular, according to diverse noise levels and windows lengths, meaningful simulation results are given for the abrupt bias-type fault.

A Design of Finite Memory Residual Generation Filter for Sensor Fault Detection

Department of Electronic Engineering, Korea Polytechnic University, Siheung-si, Gyeonggi-do, 15073,

Measurement Science Review

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"A Design of Finite Memory Residual Generation Filter for Sensor Fault Detection"}

In the current paper, a residual generation filter with finite memory structure is proposed for sensor fault detection. The proposed finite memory residual...

A Design of Finite Memory Residual Generation Filter for Sensor Fault Detection

Published Online: Apr 26, 2017

Page range: 76 - 82

Received: Oct 25, 2016

Accepted: Mar 14, 2017

DOI: https://doi.org/10.1515/msr-2017-0010

Keywords
Fault diagnosis, Fault detection, Residual generation filter, Finite memory structure, Kalman filter

© by Pyung Soo Kim

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

A Design of Finite Memory Residual Generation Filter for Sensor Fault Detection

Published Online: Apr 26, 2017

Page range: 76 - 82

Received: Oct 25, 2016

Accepted: Mar 14, 2017

DOI: https://doi.org/10.1515/msr-2017-0010

KeywordsFault diagnosis, Fault detection, Residual generation filter, Finite memory structure, Kalman filter

© by Pyung Soo Kim

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
Fault diagnosis, Fault detection, Residual generation filter, Finite memory structure, Kalman filter