轉速檢測電路 的英文怎麼說

中文拼音 [zhuǎnsùjiǎncèdiànlù]
轉速檢測電路 英文
speed detect circuit
  • 轉 : 轉構詞成分。
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 檢 : Ⅰ動詞1 （查） check up; inspect; examine 2 （約束; 檢點） restrain oneself; be careful in one s c...
  • 測 : 動詞1. （測量） survey; fathom; measure 2. （測度; 推測） conjecture; infer
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  • 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems （ microelectromechanicalsystem ）近年來發展最快的技術之一，隨著mems技術的快速發展，電容式加速度計的電容變化變化量越來越小，對檢測技術提出了新的要求。在電容式傳感器中，常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小，電容總量只有幾個pf ，變化量就更小。
  2. At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf

    目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。
  3. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念，建立了正弦脈寬調制（ spwm ）逆變器供電異步電動機，考慮主磁路飽和時的變頻調速系統整體數學模型，模擬系統的低頻振蕩；其次從逆變器-異步電動機系統能量轉換角度出發，提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c （ f _ c為逆變器載波頻率）來判定系統是否出現低頻振蕩；最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  4. There are five parameters need to be measured. there are five channels for input : the displacement of casting - roller, the rotate speed of casting - roller, the pressure of casting and rolling, the casting temperature and the water - speed of cooling water. they are measured by raster, photoelectric coder, strain pressure sensor, thermocouple and turboflowmeter

    系統需要進行監測的參數有五個，即有五路輸入信號：鑄輥位移、鑄輥轉速、鑄軋壓力、澆鑄溫度、冷卻水流速，分別採用光柵、光電編碼器、應變式壓力傳感器、熱電偶和渦輪流量計作為檢測元件。
  5. The system composition structure includes 8031 single chip computer, signal test ( count sensor and speed sensor ), electrical interfaces ( amplification shaping circuit, drive, relay, 8155 parallel i / o, 8279 keyboard display, d / a converter ) and executive mechanism ( electromagnet and electromotor )

    系統組成結構由8031單片機、信號檢測（計數傳感器和測速傳感器） 、電氣介面（放大整形電路、驅動介面、繼電器介面、 8155并行i o介面、 8279鍵盤顯示器介面和d a轉換介面） 、執行機構（電磁鐵和電機）組成。
  6. Abstract : this paper proposes an self - adaptive speed - accommodating control circuit, which can get the speed - error, and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed

    文摘:文章介紹了通過自比較來檢測錄音機主導軸單相永磁交流測速發電機反饋信號的頻率變化，從而獲得速度誤差，並自動校正轉速的一種自適應速度調節控制電路。
  7. The information includes four types : six analog signals, such as oil quantity, voltage, oil pressure, water temperature, inside and outside temperature ; switching signals, such as the door, window, etc. ; impulse signals, such as car speed, and the rotate speed of engine

    研究了汽車在行駛過程中各狀態參量的數據採集。主要包括四類:油量、油壓、電壓、水溫、車內溫度和車外溫度等6路模擬量，全部車燈的故障檢測量，車門、車燈、空調開關等車上常用開關量，車速、發動機轉速等。
  8. The feeder automation technology which based on the feeder terminal unit ( ftu ) is a key technology and the core content of distribution network automatization, and it realizes all the distribution network real - time monitoring by ftu, communication network and coordinated operation of power distribution automatization master station system. when the breakdown occurs, it can rapidly carry on the breakdown localization, and realize the failure isolation and the load shift with the master station system participation, thus it completes the network reconstruction

    基於饋線終端單元（ ftu ）的饋線自動化技術是配電自動化的一項關鍵技術和核心內容，通過ftu 、通信網路和配電自動化主站系統的協調運行實現對整個配電網的實時監控，當故障發生時，能夠迅速進行故障檢測、定位，並在主站系統的參與下實現故障隔離及負荷轉移，從而完成網路重構。
  9. The four - times - frequency design of feed - back signal of ac servomotor and the design of speed examination arithmetic of pmsm are completed and the linearity modulation of torque electric current is realized

    完成了交流伺服電動機反饋信號的四倍頻電路、交流永磁同步電動機速度檢測設計，實現了轉矩電流的線性調節。
  10. From the engineering practice of the optomechatronics design for fast, the working principle for system and hardware realization are described, and motor ascending and descending velocity arithmetic is discussed in this thesis, including the realization of the system control loop, the principle of servo control card and its hardware and software realization, the principle of moment real time detect equipment and its hardware and software realization

    其中包括以下幾部分： 1 、系統總控制迴路的工程實現方法； 2 、伺服控制卡的工作原理、電路組成及驅動軟體工作流程； 3 、力矩實時檢測裝置的工作原理、具體實現電路和軟體工作流程； 4 、針對電機的轉速突變時容易出現沖擊抖動的情況，提出了電機升降速的控制演算法。
  11. In addition, protection and display function units are added into this system. on the basis of study about working principle of previous indirect rotor - position detecting techniques, the fuzzy rules with the relation knowledge of - i - is studied in this paper as an approach for sensorless position angle estimation, and the simulation research for control performance and rotor position estimation are carried out. some experimental research on structure of srd controller is well made, and a fuzzy + pid speed controller with tms320f240 as core control unit is designed

    研究了srd系統結構，對已有的主電路和驅動電路進行改進，完善了系統的各種保護和顯示等功能；在對已有的無位置傳感器轉子位置檢測原理進行研究的基礎之上，根據sr電機的磁鏈?電流?角度之間的關系，研究了採用模糊規則無位置傳感器檢測方案；對srd系統的控制器結構進行研究，設計採用tms320f240高速信號處理器的fuzzy + pid控制器，研究了fuzzy + pid控制器以及系統運行中的各種保護、顯示、報警等功能的設計思想和實現方法。
  12. Design on torque check circuit using for gear test bed

    電加載變速箱試驗臺轉矩的檢測電路
  13. In the design of real - time control system, the paper takes three - phase full - bridge mosfet inverter as the real - time control main circuit, and adopts a control scheme with 120 ? switching mode combined with half - bridge pulse width modulation ( pwm ), which would avoid straightthrough short of a certain bridge. phase current is detected by single current sensor ; three - phase position signals generated by position sensors could not only supply commutation information for inverter, but also be used for speed detecting based on signals " period measurement, which makes the speed sensor unnecessary. the whole control system adopts speed and current dual closed - loop control strategy in order to construct a high performance rare - earth permanent magnetic brushless dc motor ( repm bldcm ) full - digital real - time control system

    在實時控制系統的設計中，本文以三相全橋mosfet逆變電路作為實時控制主電路，採用120導通方式結合半橋pwm調制的控制方案，從而有效地避免了橋臂的直通短路；本文用單電流傳感器實現對相電流的檢測，來自位置傳感器的三相位置信號不僅為逆變電路提供換相信息，而且也用於基於信號周期測量的轉速檢測，這樣就省去了速度傳感器；系統採用的是速度、電流雙閉環控制策略，力求構建高性能的稀土永磁無刷直流電動機全數字實時控制系統。
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