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In this paper, we propose a nonlinear control method for an interior permanent magnet synchronous motor (IPMSM) with dynamic copper loss minimization based on control Lyapunov function (CLF). A CLF based controller has advantages on simple control structure. We design a CLF considering copper loss minimization for IPMSM. Using the obtained CLF, we propose a controller to stabilize a desired torque...
A hybrid remote manipulation system has good transparency between master and slave systems under time delay. In this paper, we propose new adaptive environment observer using time-scale transformation for a hybrid remote manipulation system. Time-scale transformation compensates for nonlinearities in the observer, and we can design parameters of the observer by pole placements. The proposed observer...
We propose a remote bilateral control method of master-slave manipulators with an environment observer. The adaptive environment observer estimates characteristics of the environment in a remote place. Thus, the system predicts a virtual environment that is generated by a real environment. The proposed system exhibits good operatability and tracking when the slave system presses a compliant wall under...
In this paper, we propose a control Lyapunov function (CLF)-based robust nonlinear adaptive controller for the magnetic levitation system. The proposed controller consists of a pre-feedback compensator with an adaptive control mechanism and a robust stabilizing controller. By using this controller, a gain margin for closed loop system is guaranteed. The effectiveness of the proposed controller is...
The first order design constraint in dense packaged clusters is power consumption. The currently developed cluster systems are conservatively designed so that the expected peak power does not exceed the power limit. However, practical power consumption seldom reaches the peak power. In this paper, we propose a new approach to design a high performance cluster system by an adaptive power control technique...
This paper proposes an adaptive control method of delayed transmission for massive and intensive telecommunication traffic expected in communication-broadcasting integrated services. It furthermore presents quantitative evaluation of the proposed method through computer simulations and experiments using a test bed. Communication-broadcasting integrated services, which have been started by the terrestrial...
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