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This paper makes a comparative study on the conventional H∞ mixed sensitivity robust control design, H∞ robust PI control design and μ-synthesis PI control design of a combustion system. It presents the design of the robust performance of the boiler combustion system with the perturbations of the controlled members. It can be used to solve the robustness problems of the boiler combustion system, which...
Non-fragile robust control problem of a fan system is studied. It is pointed out that this problem of the fan system is really a non-fragile robust performance problem, the problem of the fan control system with both non-fragile robust stability and performance requirements(bandwidth and other performances). It is also suggested that the design of the non-fragile robust performance of the fan system...
This paper presents the design of the μ robust performance of a hydro Turbine speed governor. It can be used to solve the μ robustness problems, which can't be done by the conventional H∞ robust performance designs. High frequency oscillation and large amplitude of output and control variable of the control system are exhibited by a conventional H∞ robust performance design method. It is pointed out...
Non-fragile robust control problem of an air fuel ratio is studied. Under the premise of guarantee certain performances (overshoot and the settling time of the system, etc.), it is proposed that the μ-synthesis non-fragile robust performance design for the control system of the air fuel ratio is essentially to tolerate the greatest uncertainty. It is pointed out that this problem is really a non-fragile...
This paper presents the design of the robust performance of a boiler combustion system with the perturbations of the controlled members. It can be used to solve the robustness problems, which can't be done by the conventional H∞ robust performance designs. This paper points out the disadvantages of H∞ design. It is proposed that the design of the robust performance can be formulated as a μ -synthesis...
This paper presents the μ-synthesis robust control problem of the multi-model perturbed system of the leading and inertia sections of the superheater of a supercritical concurrent 600MW boiler. The strong change of the multi-model(including time constant, gain, even the orders etc.) of the controlled member occurs as the operating conditions are changed with extensiveness. A design method of μ-synthesis...
Non-fragile robust control problem of a paper basis weight is studied. It is pointed out that this problem is really a non-fragile robust performance problem, the problem with both non-fragile robust stability and performance requirements(bandwidth and disturbance attenuation). It is also suggested that the design of the non-fragile robust performance can be formulated as a μ-synthesis problem, if...
This paper presents an extensible software framework for embedded system modeling on a distributed platform. Actors are concurrent components to specify time-triggered sensor readings, task invocations, actuator updates, and pattern switches independent of any given platform. Composite actor can be arbitrarily nested and framework consists of a formal semantics by separating platform-independent concerns...
The non-fragile robust control design is discussed for the controlled plant and the controller with unknown uncertainty and different from other robust control methods were given, that is, the system can tolerate the greatest uncertainty on the basis of the guaranteed certain performance. Based on the meeting certain bandwidth and overshoot, a non-fragile robust performance design method is presented,...
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