2008
DOI: 10.2514/1.35066
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Abstract: This paper considers sliding mode allocation schemes for fault tolerant control. The schemes allow redistribution of the control signals to the remaining functioning actuators when a fault or failure occurs. The paper analyzes the schemes and determines conditions under which closed-loop stability is retained for a certain class of faults and failures. It is shown that faults and even certain total actuator failures can be handled directly without reconfiguring the controller. The results obtained from impleme… Show more

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Cited by 80 publications
(54 citation statements)
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“…The civil aircraft benchmark model from [2] will be used in simulation to demonstrate the effectiveness, and fault tolerant nature of the proposed scheme. To design the linear component of the controller in (51), the aircraft model has been linearized around an operating condition of straight and level flight with a mass of 263,000 Kg, 92.6m/s true airspeed, and at an altitude of 600m based on 25.6% of maximum thrust and at a 20 deg flap position.…”
Section: Simulationsmentioning
confidence: 99%
See 2 more Smart Citations
“…The civil aircraft benchmark model from [2] will be used in simulation to demonstrate the effectiveness, and fault tolerant nature of the proposed scheme. To design the linear component of the controller in (51), the aircraft model has been linearized around an operating condition of straight and level flight with a mass of 263,000 Kg, 92.6m/s true airspeed, and at an altitude of 600m based on 25.6% of maximum thrust and at a 20 deg flap position.…”
Section: Simulationsmentioning
confidence: 99%
“…To design the linear component of the controller in (51), the aircraft model has been linearized around an operating condition of straight and level flight with a mass of 263,000 Kg, 92.6m/s true airspeed, and at an altitude of 600m based on 25.6% of maximum thrust and at a 20 deg flap position. The linearized state space model is given in [2]. In the simulations, only longitudinal control is considered.…”
Section: Simulationsmentioning
confidence: 99%
See 1 more Smart Citation
“…To deal with actuator faults/failures, the most commonly employed strategy is to distribute the control effort equally amongst the actuators (Shtessel et al, 2002;Wells and Hess, 2003). However, to minimise the use of faulty actuators, or particularly reroute the control effort in the case of ineffective actuators, the schemes proposed by Alwi and Edwards (2008a;2008b) use actuator effectiveness levels provided by a suitable fault detection and isolation scheme to achieve fault tolerance.…”
Section: Mt Hamayun Et Almentioning
confidence: 99%
“…The FTC schemes of Alwi and Edwards (2008a;2008b) as well as Hess and Wells (2003), due to the reaching phase, only guarantee tolerance against actuator faults/failures after the occurrence of the sliding mode (Utkin and Shi, 1996). To address this shortcoming, the idea of integral sliding mode (ISM) control was proposed by Utkin and Shi (1996) to eliminate the reaching phase, so that the sliding mode can be enforced throughout the closed-loop system response.…”
Section: Mt Hamayun Et Almentioning
confidence: 99%