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Year: 2010, Volume: 10, Issue: 3
... magnetic flux (δ ), IV. OBSERVERLESS SCHEME FOR SENSORLESS SPEED is the load angle that is constant for a certain load torque CONTROL BASED ON DTC [ ... at The torque of the permanent magnet synchronous motor synchronous speed. However under different loads, δ angle is controlled by monitoring and controlling the armature varies. Here ...
Year: 2010, Volume: 10, Issue: 3
... . The proposed circuit has a low input current harmonic content, can ensure the load overcurrent protection and has a better reliability. The converter can be designed to ... are limited to the ensures an almost sinusoidal input current, controllable ones that have loads which either absorb power and are input factor and current regeneration capacity. PWM ...
Year: 2010, Volume: 10, Issue: 3
... to inject a three phase current into the power supply in order to compensate the load harmonic current, the reactive power A. First order filter and load current ... based on voltage source inverter topology are widely used to improve power quality of nonlinear loads at the point of common coupling to the network. The switching devices of ...
Year: 2010, Volume: 10, Issue: 3
... variation a maximum power is achieved only if the system working point is brought near the maximum power point (MPP). The proposed system, making transferred toward load or storage device [5-9]. use of several MPPT control algorithms (Perturb and Observe, Incremental conductance, Fuzzy Logic), demonstrates in II. ...
Year: 2010, Volume: 10, Issue: 3
... targets of the MLP network. The healthy considering all load conditions. The results showed that the motor condition ... that the amplitudes of no-load conditions are higher than the loaded conditions in the first 4 cycle (cycles # ... , #1, #2, and #3 respectively). Thus, this trend is disordered in ...
Year: 2010, Volume: 10, Issue: 3
... The solution consists of two parts: not known, they could be calculated from load losses. For • Solution of conventional transient stability calculation of the [L ... quantities. Equation (10) can be written in matrix including transmission lines and loads, is modeled using form: algebraic equations in a common reference frame. ...
Year: 2010, Volume: 10, Issue: 3
... threshold value, the driver will helps to keep the vehicle in the middle of the lane and interfere after a reaction time and change its steering decreases the driver workload. In this study, Optimal behavior. Reaction time and threshold are input values that Control theory is applied to HC system which is examined can change the ...
Year: 2009, Volume: 9, Issue: 3
... also known that the performance of all software multiply, load/store); integer instructions (arithmetic and ... which accesses memory locations distributed between 1 and operations (loads, stores) can be studied based on the ... and Computer Engineering Volume 9, Number 3, 2009 Workload Characterization an Essential Step in Computer Systems Performance Analysis ...
Year: 2009, Volume: 9, Issue: 3
... study of the discussed controllers is made both in transient and steady states. Once the membership degree is determined, an inference is We have analyzed the effect of load variation and of carried out in line, in order to obtain accurate results. rotation sense inversion under the choice of the reference Knowledge reflecting the actions of ...
Year: 2010, Volume: 10, Issue: 1
... against line voltage vsa R ia L va variations [14]. bus/load vsb R ib L vb DC Indirect control technique provides good transient C vsc ... power flows between the I. INTRODUCTION power supply and the electric grid or local loads. Semiconductor switches mainly determine the overall This paper is focused on the control ...
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