Fault-tolerant control system of flexible arm for sensor fault by using reaction force observer

2004 ◽  
Author(s):  
Yu Izumikawa ◽  
K. Yubai ◽  
J. Hirai
Keyword(s):  
Control System ◽  
Fault Tolerant ◽  
Reaction Force ◽  
Fault Tolerant Control ◽  
Sensor Fault ◽  
Flexible Arm

scholarly journals Sensor Fault Reconstruction based on Adaptive Sliding Mode Observer for Forklift Fault-Tolerant Control System

2020 ◽  
Vol 10 (4) ◽  
pp. 1278
Author(s):  
Zhilu Zhang ◽  
Benxian Xiao
Keyword(s):  
Control System ◽  
Fault Detection ◽  
Fault Tolerant ◽  
Sliding Mode ◽  
Fault Tolerant Control ◽  
State Equation ◽  
Sliding Mode Observer ◽  
Sensor Fault ◽  
Adaptive Sliding Mode ◽  
Sensor Fault Detection

For the problem of multiple sensor fault detection and reconstruction in the forklift fault-tolerant control system, a sliding mode observer (SMO) with adaptive regulation law is proposed. Based on the three-degree-of-freedom (3-DOF) model of forklift, a linear state equation with output disturbance is designed as its equivalent sensor fault model. The sensor fault is converted into an actuator fault by defining an auxiliary state variable as an output signal filter. Then the SMO-based method of sensor fault detection and reconstruction is given. Without knowing the upper bound of an unknown fault, an adaptive sliding mode observer (ASMO) can also be effective through the adaptive algorithm. Finally, experimental results further verify the effectiveness of the method, and provide a foundation for forklift fault-tolerant control.

Sensor Fault-Tolerant Control of Electric Power Steering for Electric Vehicles

ICTE 2015 ◽  
2015 ◽  
Author(s):  
Chen Huang ◽  
Long Chen ◽  
Kaiding Zhang ◽  
Haobin Jiang ◽  
Chaochun Yuan
Keyword(s):  
Electric Power ◽  
Electric Vehicles ◽  
Fault Tolerant ◽  
Fault Tolerant Control ◽  
Sensor Fault ◽  
Electric Power Steering ◽  
Power Steering
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