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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...
μ-synthesis robust control problem of a BLDCM is studied. It is pointed out that the BLDCM control problem is really a μ-synthesis robust performance design problem, the problem with both robust stability and performance requirements of the bandwidth and other performances optimization. It is also suggested that the design of the robust performance can be formulated as a μ-synthesis problem, if the...
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 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...
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