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106 results about "Continuous feedback" patented technology

Low ripple wave boosting type charge pump

The invention discloses a low ripple wave boosting type charge pump which comprises a single-capacitor voltage doubling circuit, wherein a continuous feedback circuit is arranged between the output voltage and the input voltage of the single-capacitor voltage doubling circuit; the continuous feedback circuit comprises an output voltage sampling branch circuit, an operation amplifier and an adjusting pipe which are sequentially connected; the detecting voltage and the reference voltage of the output voltage sampling branch circuit are respectively connected to both input ends of the operation amplifier, the output end of the operation amplifier is connected to the input end of the adjusting pipe, and a feedback mechanism of the continuous feedback circuit finally stabilizes the output voltage to a preset value. The continuous feedback mechanism comprising the output voltage sampling branch circuit, the operation amplifier and an active adjusting pipe is added; on one hand, when the factor of input voltage or temperature, and the like is changed, the stability of the output voltage is maintained by feedback; on the other hand, a ripple wave of the output voltage does not comprise the unideal factor of offset voltage, and the like due to the continuity of the feedback, thereby having a lower ripple wave.
Owner:IPGOAL MICROELECTRONICS (SICHUAN) CO LTD

Method for realizing continuous feedback control by duality of hot finishing outlet instruments

InactiveCN101693257ATo meet the full load fast-paced high-quality rolling requirementsThe quantity configuration is reasonable and not complicatedTemperature control deviceMetal rolling stand detailsProduction lineAssurance quality
The invention discloses a method for realizing continuous feedback control by duality of hot finishing outlet instruments, which particularly includes steps that instruments used for detecting production target parameters are integrated into a hot continuous rolling production line, wherein each production target parameter is detected by at least two instruments simultaneously and utilizes identical data output modes to output, a parameter detected by one instrument of each production target parameter is utilized as a measured signal while a signal detected by the other instrument of each production target parameter is utilized as a redundant signal, the measured signal and the redundant signal are transmitted to a control system to form functions of redundantly outputting finished product key quality target detection data, mutually diagnosing the redundant signal basically and automatically and fast switching, thereby realizing closed loop control of instrument detected information continuous participating feedback, effectively guaranteeing four basic quality indexes of finished steel strips, and increasing operating rate of a rolling mill. The method plays a strong guarantee for increasing yield, guaranteeing quality and reducing waste steel rate and safety accident rate.
Owner:TANGSHAN GUOFENG IRON & STEEL
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