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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...
Based on the former adaptive blade pitch control method of the Electrically Controlled Rotor in time domain, two improved control algorithms are proposed. One method is through adding a weight-constrained function for active control filter, which can prevent the divergent of control system caused by interference signal of error channel. The other method is through adding a desired signal of scaling...
In this paper, the H∞ control problem is studied for nonlinear systems with random packet losses. The measurement missing probability are governed by an individual random variable satisfying a certain probabilistic distribution in the interval . Attention is focused on the analysis and design an observer-based feedback controller such that the closed-loop control system is stochastically stable and...
A 100 MHz switching power supply with two-loop control is proposed for radio frequency power amplifiers. The power supply has a tracking bandwidth of 5 MHz and an estimated efficiency of 80%. The two-loop topology consists of a buck converter with an inner loop for one-cycle control and an outer loop that contains a PI compensator. With the two loops a stable feedback control is obtained with an excellent...
A 100 MHz DC-DC switching converter with one-cycle control is proposed for radio frequency power amplifier. All blocks of one-cycle controller are built up on AMI 0.5 mum technology. The power supply has a tracking bandwidth of 5 MHz and an estimated efficiency of 80%. The converter performance is verified by means of simulations.
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