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The paper introduces a kind of optimized fuzzy-PID control method which adopts linear quadratic regulator (LQR) approach in detail. In many industrial control systems, if the model of a system is unspecific or complex, PID parameters are rather difficult to find, based on the problem this article designed the advanced controller with LQR. On the contrary with the fact that the output voltage is always...
This paper presents the details of FPGA (field programmable gate array) implementation of a QFT based controller for a buck type DC-DC power converter. The performance of QFT controller is compared with PID and fractional order PID controllers. Computer simulations of the QFT based approach as well as integral order and fractional order PID controllers have been carried out. Nominal averaged and linearized...
In many DSP applications (image and voice processing, baseband symbol decoding in high quality communication channels) several dBs of SNR loss can be tolerated without noticeable impact on system level performance. For power optimization in such applications, voltage overscaling can be used to operate the arithmetic circuitry slower than the critical circuit path delay while incurring tolerable SNR...
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