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In this paper, an optimal global backstepping sliding mode controller, used for tracking the position of flight simulation turntable, is presented. In order to overcome against the parameter uncertainties and nonlinear friction compensation for the tracking position, a global backstepping sliding mode control is designed. The Lyapunov proof shows the closed-loop system in the presence of this controller...
Artificial fish swarm algorithm is a kind of swarm intelligence algorithm that imitates the behavior of individuals and information interactions among them during feeding process in real environment. This paper proposes an improved artificial fish swarm algorithm. First of all, it adopts dynamic adjustments for the view and step length of artificial fish, which let it keep a large value during the...
A new and practical solution, Quantum-behaved Particle Swam Optimization (QPSO) algorithm, is applied to Aeroengine maximum thrust optimization implemented for some turbo fan engine. Simulation is carried out under different altitudes and velocities and shows that thrust can be increased by 7%~9%, 3%~5% more than by Particle Swam Optimization (PSO) algorithm. The influence of initial values on PSO...
People pay more attention to the use of FACTS devices to ease grid congestion problems. On the base of the traditional optimal power flow (OPF), an optimal congestion dispatch model with TCSC devices is proposed in this paper, expressing the control of the TCSC over the power systems as additional power equations. Instead of introducing a TCSC controller equation, optimization can be achieved in the...
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