نتایج جستجو برای: soft switching
تعداد نتایج: 195903 فیلتر نتایج به سال:
This paper presents new results on switching control using neural networks. Given a set of candidate controllers, a pair of neural networks is trained to identify the stability region and estimate the closed-loop performance for each controller. The neural network outputs are used in the on-line switching rule to select the controller output to be applied to the system during each control perio...
In this study, a hybrid DC-DC boost converter was proposed for high voltage gain. The analyzed and designed. active soft switching method applied to reduce the losses due hard switching. While main switch of is turning off, current zero during transition in opposite case, transition. Thus, power both states were minimized. simulation MOSFET IGBT based with obtained different loads.
LLC resonant DC-DC converter has been widely used in high power density and efficiency applications. Pulse frequency modulation (PFM) is commonly applied due to its wide soft-switching range. In some special cases, phase shift (PSM) widen voltage regulation range, improve light-load efficiency, or implement a soft start-up process. Because with 2 control degrees of freedom (2DOFs), switching du...
Due to harmonics, sudden voltage dips and large fluctuating torque causes a great problem in the starting of large induction motor. Some times due to tripping of relay, equipment failure, surge, no load or overload motor voltage fluctuates resulting in the failure of motor starting. This paper discusses the solution of these problems by using soft starter technique. Soft starting of induction m...
In this paper, a new algorithm proposed for soft real time operating system. In this proposed algorithm response time is better than existing algorithm. Also within deadline all process will complete. In this proposed algorithm if we will follow its then it will give better response time as well as good waiting time and turnaround time. Most important part of proposed algorithm is context switc...
In this article, a new nonisolated full soft-switching step-up dc/dc converter is introduced with continuous input current for renewable energy applications. The use of three-winding coupled-inductor (TWCI) along voltage multiplier, enables the proposed to enhance gain lower turns ratios and duty cycles. Also, lossless regenerative passive clamp circuit employed limit stress across power switch...
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