نتایج جستجو برای: torque control strategy
تعداد نتایج: 1631166 فیلتر نتایج به سال:
Brushless doubly fed reluctance generator (BDFRG) has been recently suggested as a wind generator. Different control methods are presented in literature for the BDFRG, but there is a gap on control under unbalanced grid voltage condition (UGVC). This paper presents a predictive direct power control (PDPC) method for the BDFRG under UGVC. The proposed PDPC method is based on power compensation s...
The Direct Torque Control (DTC) strategy is one of the best strategies of speed control of Induction Motor Drive (IMD). This scheme is simple in structure and produces fast and robust response in A.C drive system. How ever, this scheme is encountered with the possible problems of high torque, flux and current ripples. The deviation of electromagnetic torque from its reference value causes vibra...
In this paper a comparison of classical and neural control strategies for a robotic leg with two revolute joints is presented. The classical control scheme is based on a computed torque control. Better results are obtained when a model based neural control strategy is implemented. The performances of the implemented control strategies for trajectory tracking are analysed by computer simulation....
Interior permanent magnet synchronous machines are unavoidably subject to production tolerances. Quantities like permanent magnet flux or air gap thickness of a machine may deviate with regard to their nominal parameter values. Driven with a conventional torque control strategy this leads to inaccuracy of the output torque. Especially for traction drives in road vehicles, significant torque err...
A control scheme for dynamic tracking of mobile robots is presented, which integrates a velocity controller based on backstepping techniques and a torque controller based on improved RBF neural networks. The proposed torque control strategy derived from sliding modes depends on the dynamics of mobile robots. Because of the uncertainties in robot dynamics, the robustness of the system cannot be ...
Direct torque control (DTC) is a control technique in AC drive systems to obtain high performance torque control. The classical DTC drive contains a pair of hysteresis comparators and suffers from variable switching frequency and high torque ripple. These problems can be solved by using space vector depending on the reference torque and flux. In this paper the space vector modulation technique ...
Abstract Today, much information from traffic infrastructures and sensors of ego vehicle is available. Using such has a potential for internal combustion engine to reduce fuel consumption in real world. In this paper, powertrain controller hybrid electric aiming introduced, which uses signals, the global positioning system sensors, preceding vehicle. This study was carried out as benchmark prob...
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