Energy-Optimal Planning of a Driving System with Coulomb and Viscous Frictions
2006
Energy conservation is a current requirement in the industry. This paper discusses an energy-optimal planning of a servo system, which is driven by a DC motor and a reduction gear. Controllable energy loss, such as Joule loss, Coulomb friction loss and viscous friction loss can be expressed by crossing time t c , when the input torque of the reduction gear is changed from positive to negative. In a position control system, minimization of the dissipated energy is determined by optimal crossing time t c . This conclusion is confirmed by simulations
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