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The role of proportional-integral (PI) controller as a speed controller for a induction Motor (IM) in high performance drive system is still vital although new control techniques such as direct torque control that is more effective -but complex- is available. However, PI controller is slow in adapting to speed changes, load disturbances and parameters variations without continuous tuning of its gains...
This paper presents a novel and practical approach for integrating simulation and optimization of system dynamics (SD) models using Matlab and Simulink. The Matlab platform allows much freedom in customizing and implementing global search techniques such as genetic algorithms (GA) and artificial intelligence constructs like fuzzy logic. The Simulink platform allows complex nonlinear dynamic models...
In this paper, the author establish a model of water-jet propulsion system for self-service gliding-hydrofoil craft. A fuzzy logic controller is designed based on MATLAB and SIMULINK. And simulation experiment is performed. Experiment results show that the fuzzy logic controller is useful and is affected by interference. And the less the interference, the more balanced the effect is.
This paper used MATLAB's Fussy Logic Control Box, contrived a fuzzy controller, and applied it in the system of power-saving lighting, under the circumstance of Simulink, modeling and simulating, the result of simulating indicated that, the fuzzy controller enhanced First-order linear time-delay system's Dynamic and static Characteristics, enabled the fuzzy system to access a good performance, stabilizated...
Tracked vehicle runs under dynamic condition frequently. Due to the inner complex physical and chemical changes in the course of engine operation, its system model are highly non-linear, so it is difficult to obtain the precision of model by means of mechanism modeling. To meet the requirement of making automatic shift schedule, the best power shift schedules of a tracked vehicle are deduced in this...
Variation of the system parameters and external disturbances always happen in the CNC servo system. With a traditional PID controller, it will cause large overshoot or poor stability. In this paper, a fuzzy-PID controller is proposed in order to improve the performance of the servo system. The proposed controller incorporates the advantages of PID control which can eliminate the steady-state error,...
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