synchronous switching 中文意思是什麼
-
Based on the thorough investigation of the post - regulation and efficiency in multiple output switching - mode power supplies, an optimal combination topology for multiple output switching converter is presented in this thesis, which is consisted of forward converter with active clamp ( fac ), synchronous rectification ( sr ) techniques and magnetic amplifier technique ( magamp )
本文通過研究分析近年來多路輸出開關電源輔助輸出電壓調節和提高效率的方案，面對開關電源朝著輸出低電壓大電流方向發展的趨勢，提出多路輸出開關電源新的拓撲優化組合模式? ?有源鉗位正激變換器、同步整流技術、磁放大器。 -
Measuring methods for the performances of switching equipment clocks in digital synchronous network
數字同步網中交換設備時鐘性能的測試方法 -
In order to solve the problem of direct torque control ( dtc ) for permanent magnet synchronous motor ( pmsm ) related to the flux and the torque ripple and the uncertainty of switching frequency, a method which shorten the voltage - vector - function - time by svm ( space vector modulation ) is developed, and in order to improve the system performance, the stator flux linkage sectors and vectors are subdivided
摘要為了解決永磁同步電機傳統直接轉矩控制低速時磁鏈和轉矩脈動大的問題，提出了1種用空間矢量調制（ svm ）實現減小電壓矢量在1個控制周期中的作用時間的直接轉矩控制方法;為進一步提高系統性能，對磁鏈扇區和電壓矢量進行了細分。 -
Sonet. telecommunications - synchronous optical network - automatic protection switching
電信.同步光纖網路 -
The unilateral control strategies can be classified into two basic control modes : un - alternate switching mode and synchronous rectification ( sr ) mode. the theoretical analysis and simulations of these two control modes were given in detail, also with the experimental verification
對單邊控制策略下的兩種控制模式:非互補導通和互補導通即同步整流控制，分別進行了深入的理論和模擬分析及實驗驗證。 -
A novel dual randomized pwm modulator with synchronous varying switching frequency and pulse position delay is proposed to reduce conducted electromagnetic interference ( emi ) in power converters
摘要提供了一種新的雙隨機脈沖調制技術，它能夠很好地減小電力電子系統中存在的傳導電磁干擾，這個調制技術是通過同時改變開關頻率和脈沖的上升沿位置來實現的。 -
A new type high efficiency synchronous step - up dc / dc converter for hand - held device is designed in this thesis. it works in the pfm ( pulse frequency modulating ) mode, and its switching frequency can up to 500 khz. it offers a built - in synchronous rectifier that reduces size and cost by eliminating the need for an external schottky diode and improves overall efficiency by minimizing losses
本文設計了一種用於移動電子設備的高效同步整流的dc / dc升壓晶元，該晶元採用pfm （脈沖周期調制）調制方式，工作頻率最高可達500khz ，內部集成功率管作為同步整流管，代替傳統的肖特基二極體，導通電阻僅有0 . 4 -
The dissertation takes the pmsm ( permanent magnet synchronous motor ) ac servo drive system as research object, according to the requirement of developing high performance pmsm ac servo drive system, and combing the new development of control theories and soft - switching technology. on the basis of analysis and research of theory, a full digital pmsm ac servo drive system based on soft - switching technology is developed, with the dsp ( tms320f2812 ) and cpld ( epf10k10lc84 - 15 ) as the central control unit
本文以極具發展前景的pmsm交流伺服驅動系統為研究對象，在綜合分析現代交流伺服系統發展趨勢和借鑒前人研究成果的基礎上，針對發展高性能pmsm交流伺服驅動系統的需要並結合控制理論和軟開關技術的新發展，在理論研究的基礎上，設計實現了一套完整的基於軟開關技術並應用dsp （ tms320f2812 ）和cpld （ epf10k10lc84 - 15 ）為控制核心的全數字化pmsm交流伺服驅動系統。
分享友人