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JRM Vol.14 No.4 pp. 342-348
doi: 10.20965/jrm.2002.p0342
(2002)

Paper:

Sensor Fault Detection and Diagnosis in Dead Reckoning System of Mobile Robot: Interacting Multiple-Model Approach

Masafumi Hashimoto*, Hiroyuki Kawashima** and Fuminori Oba*

*Department of Mechanical System Engineering, Faculty of Engineering, Hiroshima University, Kagamiyama, Higashi-Hiroshima, Hiroshima, 739-8527 Japan

**Clean Automated Systems Division, Engineering Department, SHINKO ELECTRIC Co., Ltd. 100, Takegahana, Ise, Mie, 516-8550 Japan

Received:
April 17, 2002
Accepted:
June 17, 2002
Published:
August 20, 2002
Keywords:
mobile robot, sensor failure, fault detection and diagnosis, dead reckoning, interacting multiplemodel estimator
Abstract

An interacting multiple-model (IMM) approach to sensor fault detection and diagnosis (FDD) in dead reckoning is proposed for navigating mobile robots. In this approach, changes of sensor normal/failure modes are explicitly modeled as switching from one mode to another in a probabilistic manner, and the sensor FDD and state estimate are achieved via a bank of parallel Kalman filters. To provide better FDD performance, mode probability averaging and heuristic decisionmaking logic are combined with the IMM based FDD algorithm. The proposed FDD is implemented on a skid-steered mobile robot, where 32 system modes (one normal mode and 31 hard sensor failure modes) of 5 sensors (4 wheel-encoders and one yaw-rate gyro) are handled. Experimental results validate the effectiveness of the proposed FDD.

Cite this article as:
Masafumi Hashimoto, Hiroyuki Kawashima, and Fuminori Oba, “Sensor Fault Detection and Diagnosis in Dead Reckoning System of Mobile Robot: Interacting Multiple-Model Approach,” J. Robot. Mechatron., Vol.14, No.4, pp. 342-348, 2002.
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Last updated on Feb. 25, 2021