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Two smooth three-dimensional quadratic continuous autonomous chaotic systems with a symmetric parameter are constructed simultaneously in this paper. Two interesting symmetric chaotic attractors are generated from the pair of systems with a common initial condition. Three Lyapunov exponents of each system are calculated respectively for verifying the existence of chaos. By employing a novel switching...
This paper deals with switching controller design that includes several linear time-invariant (LTI) controllers-all of them capable of stabilizing a specific LTI plant-in such a way that the H∞ control performance of the closed-loop system is guaranteed for any switching sequence. It is shown that it is possible to find realizations for these controller transfer matrices so that the closed-loop system...
This paper focuses on the safety protection problem of aeroengines and present a multi-loop switching control technique based on the L2 bumpless transfer algorithm. Firstly, the aeroengines protection control problem is summarized from the point view of working mechanism. Then, the regulation/protection switching control thought is introduced. By using L2 bump-less transfer algorithm, a systematic...
An improved command switching control strategy is proposed to solve the multi-objective switching control problem with the acceleration and temperature safety protection for turbofan aero-engines. An improved switching law is designed to avoid frequent switching. Properly designed integrator reset technique is utilized to improve the thrust tracking performance. Switching control parameters can be...
Renewable hybrid systems with small capacities are widely installed with an important role in demand side management and smart grid. Using hybrid system, renewable energy can be stored and used for power supply during peak load period. Switching control is more practical than power flow control in such small-scale systems. Switching control does not have high system requirements, but power flow control...
In the light of the broad range of hypersonic flight conditions, a design method of switching control based on guardian maps is proposed to guarantee the global stability within the flight envelope. First, a linear parameter varying (LPV) model of a hypersonic vehicle is established over a range of hypersonic flight conditions. The parameters of controller are determined by pole placement technology...
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