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This paper presents a methodology of designing guidance and control law for four stage launch vehicle. Design of Guidance and Control system for nonlinear dynamic systems is an arduous task and various approaches have been attempted in the past to address coupled system dynamics and nonlinearities. In this paper, the approach of Guidance and Control is(More)
Brushless DC (BLDC) motors are widely used for many industrial applications because of their high efficiency, high torque and low volume. The aim of this research is to develop a complete model of the BLDC motor and to design an optimal controller for its position control. Generally PID controller is used for many control problems because of its simple(More)
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