This paper further studies the analysis and control problems of continuous-time switched linear s... more This paper further studies the analysis and control problems of continuous-time switched linear systems subject to actuator saturation. Using the norm-bounded differential inclusion description of the saturated systems and the minimal switching rule, a set of switched output feedback controllers is designed to minimise the disturbance attenuation level defined by the regional L 2 gain over a class of energy-bounded disturbances. The synthesis conditions are expressed as bilinear matrix inequalities, and can be solved by numerical search coupled with linear matrix inequality optimisation. Compared to the previous method based on polytopic differential inclusion, the proposed approach has good scalability and potentially renders better performance. Numerical examples are provided to verify the effectiveness of the proposed approach.
In this paper, we propose a saturation control scheme for linear parameter-varying (LPV) systems ... more In this paper, we propose a saturation control scheme for linear parameter-varying (LPV) systems from an antiwindup control perspective. The proposed control approach is advantageous because it can be thought of as an augmented control algorithm from the existing control system. Moreover, the synthesis condition for an antiwindup compensator is formulated as a linear matrix inequality (LMI) optimization problem and can be solved efficiently. We have applied the LPV antiwindup controller to an F-16 longitudinal autopilot control system design to enhance aircraft safety and improve flight quality in a high angle of attack region.
Proceedings of 35th IEEE Conference on Decision and Control, 1996
In this paper, the criterion of Paganini (1995) is reformulated in terms of the existence of anal... more In this paper, the criterion of Paganini (1995) is reformulated in terms of the existence of analytic scalings, and the dual optimization problem, with no duality gap, is derived. Our derivation of the dual formulation of the ℋ2 robustness problem is partly motivated by the work of Jonsson (1996) and Jonsson and Rantzner (1995). In contrast to Jonsson (1996), which
This paper further studies the analysis and control problems of continuous-time switched linear s... more This paper further studies the analysis and control problems of continuous-time switched linear systems subject to actuator saturation. Using the norm-bounded differential inclusion description of the saturated systems and the minimal switching rule, a set of switched output feedback controllers is designed to minimise the disturbance attenuation level defined by the regional L 2 gain over a class of energy-bounded disturbances. The synthesis conditions are expressed as bilinear matrix inequalities, and can be solved by numerical search coupled with linear matrix inequality optimisation. Compared to the previous method based on polytopic differential inclusion, the proposed approach has good scalability and potentially renders better performance. Numerical examples are provided to verify the effectiveness of the proposed approach.
In this paper, we propose a saturation control scheme for linear parameter-varying (LPV) systems ... more In this paper, we propose a saturation control scheme for linear parameter-varying (LPV) systems from an antiwindup control perspective. The proposed control approach is advantageous because it can be thought of as an augmented control algorithm from the existing control system. Moreover, the synthesis condition for an antiwindup compensator is formulated as a linear matrix inequality (LMI) optimization problem and can be solved efficiently. We have applied the LPV antiwindup controller to an F-16 longitudinal autopilot control system design to enhance aircraft safety and improve flight quality in a high angle of attack region.
Proceedings of 35th IEEE Conference on Decision and Control, 1996
In this paper, the criterion of Paganini (1995) is reformulated in terms of the existence of anal... more In this paper, the criterion of Paganini (1995) is reformulated in terms of the existence of analytic scalings, and the dual optimization problem, with no duality gap, is derived. Our derivation of the dual formulation of the ℋ2 robustness problem is partly motivated by the work of Jonsson (1996) and Jonsson and Rantzner (1995). In contrast to Jonsson (1996), which
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