نتایج جستجو برای: ac motor
تعداد نتایج: 192914 فیلتر نتایج به سال:
Full software AC servo controllers have been developed with special real time software in the Windows NT operating system. The full software AC servo controllers are able to control multiple AC servomotors with the CPU of a personal computer. The controller handles 1 00s commutation and current feedback, 200s velocity feedback, and 1 ms position feedback. The full software AC servo controllers ...
The arrival of sound signals in the auditory cortex (AC) triggers both local and inter-regional signal propagations over time up to hundreds of milliseconds and builds up both intrinsic functional connectivity (iFC) and extrinsic functional connectivity (eFC) of the AC. However, interactions between iFC and eFC are largely unknown. Using intracranial stereo-electroencephalographic recordings in...
The aim of this paper is to study the effect of EMI in Switched mode PWM Inverter fed AC drive. This Switched mode PWM Inverter has an inherent noise source. This noise is mitigated by a New Active Common Mode Electro Magnetic Interference Filter (ACEF) which is proposed for switched mode power supply applications. The proposed filter is based on current sensing and a compensation circuit which...
In this paper a systematic fuzzy sliding mode controller is presented for permanent magnet synchronous motor (PMSM) sensorless drives. The fuzzy sliding mode controller is designed based on input–output feedback linearization control technique. The extended Kalman filter is used to estimate the speed, position and load torque. The PMSM is fed from indirect power electronics converter. This indi...
This paper presents simulation results of the harmonics analysis of motor current signatures under different fault condition of CSI (Current Source Inverter) fed induction motor drive. In this work, simulation studies are performed for two different post fault conditions i.e. open circuiting of one of the six IGBTs(Insulated Gate Bipolar Transistor) gate, blowing off one IGBT .Under these fault...
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