直流制 的英文怎麼說

中文拼音 [zhíliúzhì]
直流制 英文
dc system
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 直流 : direct current (dc); constant current; steady current; continuous current; zero frequency curre...
  1. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓( lvdc )和高壓( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控的策略。
  2. This paper is based on " the remodeled item of the 122mm automatic barbette servo system ". it introduced the controlled project of brushless direct current motor realized by dsp at first. on the base of analyzing and studying the driving wave of the brushless direct current motor thoroughly and fully, it carried on the servo system ' s simulink and presented the concrete software and hardware ' s devise of the whole system in the end

    本論文的撰寫是以「 122mm自行迫榴炮伺服控系統的改型項目」為基礎,首先介紹了dsp實現無刷電機的控方案,在深入、系統的分析和研究了無刷電機驅動波形的基礎上,然後進行了伺服控系統的模擬,最後給出了伺服控系統具體的軟硬體設計。
  3. Requires the filing of a license application whenever an exporter knows that export of any item will be used for unclear, cbw, or missile activities in certain identified destinations, or the exporter is informed by the commerce department that an export presents an unacceptable rist of diversion to, or will be used in, such proliferation actibity

    ?略物資等輸出規製品泛用電源該當集積迴路使用。輸出貿易管理令別表12項及通?省令第1條41項電源裝置48項行機能有組立品規該當非該當判定。
  4. According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also

    根據系統技術要求,採用單片機實現了混合式線步進電動機的開環數字控;利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定;利用細分控技術保證了電機運行的平穩性,並進行了波形分析和理論研究;採用單片機軟體降速控策略解決線步進電機行程末端的機械沖擊問題;同時對主功率電路、驅動電路和系統保護電路進行了分析,完成了硬體設計、製作和軟體編程、調試,最後在混合式旋轉步進電動機上進行了全面測試。
  5. Isc - dcm idle speed control direct current motor

    怠速控馬達
  6. Development of control technology of brushless direct current motor

    無刷電動機控技術研究
  7. Novel close - loop speed control technique for brushless direct current motor

    新型無刷電機速度閉環控技術
  8. Using the color sensor as the navigation sensor, with mcu for control centre, the robot is drived and change direction by the differ direct current motor

    用顏色傳感器作為導航傳感器,以單片機為控器,電動機實現驅動和差動轉向。
  9. This paper presents the method of design and parameter optimizing in a phase - locked controller, which is used in high - speed brushless direct current motor ( bldcm ) speed control

    摘要提出一種用於高速無刷電動機鎖相速度控器設計和參數優化方法。
  10. The experiment results indicate that this method is more effective in the brushless direct current motor ' s low speed torque ripple attenuation, and its more effective in improving system dynamic performance

    運行結果表明,此方案能有效地抑無刷電動機低速時的轉矩脈動,更好地改善系統的動態性能。
  11. A circuit topology of the inverter with duty cycle extended active clamp forward style high frequency pulse dc link is adopted by each independent inverter. each inverter is cascaded by a circuit with duty cycle extended active clamp forward style high frequency pulse dc link and a dc / ac inverting bridge. the control strategy of voltage mode pwm forwardback is adopted by the former, and the control strategy of three - state discrete pulse modulation ( dpm ) hystersis current is adopted by the later

    每個獨立的航空靜止變器採用占空比擴展有源箝位正激式高頻脈沖環節電路拓撲,由占空比擴展有源箝位正激式高頻脈沖環節電路與dc ac逆變橋級聯而成,前級採用電壓型pwm前饋控技術,后級採用三態dpm電滯環控技術。
  12. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電測試儀對地電阻測試儀測功機測功機控系統高精度電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。
  13. Recently, in the field of microfluidics system the drive mode of flow is a key problem, dc electroosmoticflow micropump bases on the principle of electroosmosis, which control the flow in the microchannel with electric field. recent years, it is more and more attracting people to realize it

    當前在微控系統中液體的驅動方式是一個關鍵問題,電滲微泵是基於電滲原理,利用電場控通道中的液體動,實現無運動部件的液體動系統,近年越來越受到人們的重視。
  14. The torque motor received dc current signals from the electric control and applies torque to the single - piece armature and flapper which is supported on a torsion flexure

    力矩馬達接收來自電氣控器的電信號並將力矩施於由轉矩撓曲支撐的整體式電樞及擋板。 ?
  15. Some studies on control modes of the system, especially on a dc, pm, brushless and sensor - less motor driven systems. a method of rotor position identification without sensors has been developed. using a microchip to increate system efficiency, anti - disturbing ability and reliability of pwm modulation

    研究了適于、無刷、永磁、無位置傳感器電機轉子位置的檢測方法;採用單片機實現了該種電機的運行控,提高了系統在pwm調時位置檢測換相控過程的抗干擾能力。
  16. Direct current loop vector control system in induction motor

    異步電機環矢量控系統
  17. After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control

    在指向反射鏡的擺動控方面,採用低速性能好的分裝式力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控方案,進行速度和位置雙閉環控,以實現指向反射鏡轉動速度的平穩性和位置的精確性。
  18. Isc - ena idle speed control dc motor enable

    怠速控馬達驅動
  19. Ssr - dd series of dc solid relay is vastly applied to output joggle of computer and external equipments, it is also applied to control or switch dc load : dc relay 、 contactor 、 dc electrical motor 、 kinds of electric - heating apparatus 、 dc electromagnetic valve 、 electromagnetic iron 、 solenoid 、 filament lamp 、 indication lamp 、 plc logical electrical appliance and dc solid relay

    Dd系列固態繼電器廣泛應用於計算機與外部設備的輸出介面,適用與控或開關負載:繼電,接觸器、電動機、各類電熱器具;電磁閥,電磁鐵、螺線管、白熾燈、指示燈; plc邏輯電器。
  20. Through establishing three mathematics models including the movement equation of the mechanical and electrical transmission system, the control of the load and the sliding in stable status, direct - current - brake of ac motor, this paper ascertained the range of the frequency value of drive motor and the efficiency of transmission system, calculated the efficiency of load motor in stable status and the moment of load motor in braking. this paper completed the design of the mechanical part of inertia brake test platform and provides a tool for the measurement of the inertia brake parameters

    本文還通過建立慣性動器試驗臺的包括機電傳動系統的運動方程、穩態運行時負載與轉差率控、交電動機直流制動在內的三個數學模型,確定驅動電機的頻率取值范圍和傳動系統的傳動效率,驗算慣性動器穩態運行時負載電機軸功率和慣性動器動時負載電機軸力矩,完成慣性動器試驗臺設計中的機械部分,為慣性動器各參數的測量提供工具。
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