調速電位計 的英文怎麼說
中文拼音 [diàosùdiànwèijì]
調速電位計
英文
rate adjusting potentiometer- 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
- 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...
- 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...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
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In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果An algorithm based on the inner structural feature of the 8 - bit single chip microprocessor is presented to perform the space vector modulation, it is high efficiency in voltage - utilizing, low harmonic losses, fast in calculation speed, simple in over - modulation method, high ratio of capability to price
介紹一種用8位專用單片機內部結構特徵而設計的空間矢量調制演算法,不但具有電壓利用率高、諧波損耗小等優點,還具有計算速度快、過調制處理方法簡潔、性能價格比高等優點。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep
本文以三相反應式步進電機為實例,對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究;實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上,本文對細分驅動環形分配器的設計和微步距測量修正進行了創新;提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。Abstract : this paper discusses the method of adjustable speed driving with bi - directional power transferring converter for motors used in draining and irrigating pumps, a control strategy is proposed to realize super / hyper synchronous speed running with ac - ac converter, and a design for the driver is given based on 16 bit micro - controller
文摘:針對農用電力排灌站電機調速改造問題,討論了雙饋調速實施方案,提出了採用交交變頻實現超/低同步調速的一種控制方法,給出了以高性能16位單片機為核心的雙饋調速控制系統軟硬體設計Vvvf door controller frequency converter makes lift door installation easier and more convenient as its control center is the internationally advanced engineering 16 digital micro computer and it operates with the fully digital spwm modulation techniques, with igbt module as the output power drive and with voltage, current and speed under fully digital closed circuit control ( the door controller ' s operation parameters are inputted by means of the keyboard )
Vvvf控制門機變頻器採用當今國際上先進的工控16位微型計算機為控制核心,採用了全數字spwm調制技術, igbt模塊作輸出功率驅動,電壓、電流、速度全數字閉環控制(門機的運行參數均可通過鍵盤設置輸入) ,從而,使門機的安裝調試更加簡單,方便。At the same time, a lot of electrical energy is wasted when the level is high and the working curve is displaced. so urgent affairs are choosing right timing ways to rebuild the pumps. applying frequency conversion timing to wind machines and pumps is an important technology in our country
設計都按照長江、漢水百年一遇最低水位選擇水泵出水揚程,這樣在高水位時往往由於揚程太大而偏離水泵的工作高效區,浪費了大量電能,選擇合適的調速方式對泵船水泵機組進行節能改造,成為當務之急。This thesis focuses on the ingress process module of ctu, which translates c - 5 dcp format to rainier 4gs3. the specification analysis, architecture and logic design, functional simulation testbench design, synthesis report and testing result are discussed in this thesis. the research work mainly includes : the specification analysis and design requirements of ctu logic ; the architecture and logical design of ingress process module, which includes receive control fsm, send control fsm and cell position adjustment logic ; the performance improvement of ingress process module to receive and transmit data cell at the full line speed
本論文的主要研究工作包括:通信協議轉換邏輯的功能分析和設計需求;通信協議轉換邏輯上行方向的系統分析及體系結構設計,包括上行接收狀態機、發送狀態機、信元內位元組位置調整機制等的設計;通信協議轉換邏輯上行方向的線速設計,主要是上行接收的線速設計,要使用流水設計技術;提出了高速實現roundrobin調度策略的實現方法,並設計實現了桶式移位器和優先級編碼電路;應用bfm模擬模型設計了上行處理各模塊的模擬testbench ,完成了各級模塊的模塊模擬和系統集成模擬。This system employs a high speed counter unit to get the stretching dispacement error used as the feedback of the fellow motor
應用plc高速計數模塊計算拉伸的位移誤差,並根據該誤差調節跟隨電機的轉速。In the mode using constant rate water pump, pumps are put to run atfull capacity in all operation cycles, with no means for water flow rateregulation attached, incurring significant waste of electric power
高位水箱造價較高,並且需要增加樓房的設計強度,增加了投資成本。恆速泵打水總是滿負荷運轉,不能根據用水量的多少調整泵流量,因此浪費電能。Based on remaining the dismantling and loading, we make full of the equipped instrument, and fall the whole cycle into three modules : speed - adjusting module, pressure module and multi - execution instrument module. we must compile the related plc control program and pc control program, and redesign the control cabinet and re - fix the electric cycle. we complete the auto - control of the hydraulic experiment table through the loading and recapitulate debugging
在保留其元件可裝拆性的基礎上,我們充分利用現有液壓實驗臺的液壓元件,對其基本迴路進行重新組合,分為調速、壓力和多執行元件控制迴路三個模塊,並編制可編程式控制制器程序和上位機數據採集程序控制迴路動作,重新設計該實驗臺的電氣控制櫃,並進行現場接線和安裝調試,實現所有教學必須實驗迴路的自動控制。In this thesis, based on a digital signal processor tms320f240, a controller for pmsm is researched an designed. we analyzes the mathematics model of pmsm, researchs vector control of pmsm and space vector pwm, discusses the controller of position, speed and current, designs the mrfas position controller, pid speed controller and pid current controller, sets up pmsm ac servo control system, designs dsp controller, and develop the corresponding sofeware. at last, the designed controller is simulated under matlab / simulink, and the results are gived
分析了水磁同步電機的數學模型,研究了永磁同步電機的矢量控制方法和空間矢量脈寬調制原理,討論了位置環、速度環和電流環的控制方法,設計了模型參考模糊自適應位置控制器、 pi速度器和pi電流控制器,組建了永磁同步電機交流伺服控制系統,設計dsp控制器,並開發了相應的軟體。最後在matlab simulink環境下對系統進行了動態模擬,並給出了模擬結果。The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc
系統基於斬波恆流驅動技術,按照頂層設計思想,採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架,設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等,利用該單片機獨有的hso和hsi介面及其強大的指令系統,實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制,在此基礎上,該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。The main module of sensorless pmsm vector control such as voltage sensing, current sensing, smo rotor position estimation, speed calculation, generation of sine and cosine, vector coordinate transformation, pi regulators, svpwm vector modulation are all accomplished in the pwm interrupt service routines
永磁同步電機無位置傳感器矢量控制的主要模塊如電壓采樣、電流采樣、滑模轉子位置估算、速度計算、正餘弦值生成、矢量坐標變換、比例積分調節器、空間電壓矢量脈寬調制等都是在pwm中斷服務子程序中完成。This paper endeavors to make some progress to the disadvantages of delivery system for soldering line renovated by scfst corporation ltd. to this point, we design a kind of new - style delivery system with the plc as controlling units, equipped with transducer aiming to adjust the speed of motor
由於此輸送系統存在諸多弊端,嚴重影響生產線生產的順利進行,設計了以可編程式控制制器( plc )為控制單元,同時使用變頻器對電機進行調速的新型的定位定長運輸系統。The three - tank control system is consisted by two kinds of controlment that are the liquid - level control and temperature control. different control had different character, so we use different control strategy. in order to gain good quality of water level, we use fuzzy control strategy. in order to control the temperature of tank t2 quickly and smoothly, we use fuzzy pid strategy. at last we draw a interface of man - to - machine using rsview32, from which we can monitor the process in industry
溫度控制採用模糊控制演算法,液位控制採用模糊pid控制演算法。最後用rsview32編制了一個人機界面,可以從此界面中監視生產過程的運行情況。三水箱計算機變頻控制系統採用變頻器進行電機調速后,耗費電能大大降低,同時由於控制策略選擇適當,系統運行比較平穩。This paper is focused on the study and design of three - phase cycloconverter which is related to these technologies : computer control, semiconductor converter, ac velocity adjustment, single - chip computer application and the computer simulation
本文通過應用計算機控制技術、半導體變流技術、交流調速技術和計算機模擬技術,設計了一個基於16位單片機的三相交-交變頻電源裝置。In order to get the real - time motor controller with wide speed scope, high precision and large ability, this paper has used the special digital signal processor ( dsp ) made in texas instrument for motor control to design and finish the speed adjustable motor controller, analyzed the control methods and discussed the application in the fields of position testing, drive and power inverter circuit, completed related hardware testing and tested its functions
為了獲得調速范圍寬、精度要求高、功能強大的實時電機控制器,本論文選用了德儀公司生產的電機專用數字信號處理dsp晶元,完成了調速電機控制器的設計與製造。並在此基礎上分析了控制策略以及在位置檢測、驅動、主功率電路應用等方面展開了討論。完成了相關的硬體調試並在實際中加以檢驗。A simple brushless motor variable - speed system without position sensors is designed, it is based on mcs - 80c196kb and frequency raising - lowering control is realized
本文設計了一個不使用位置傳感器的無換向器電動機調速系統,採用mcs - 8單片機,實現了無換向器電動機的升降頻控制。The article in lead - zinc mineral tailing transmission pumps electric motors automatic control system of huang - shaping, for example, a detailed account of the system frequency conversion governor, ultrasound liquid position controller design models, debugging points and parameters set methods, and energy saving effect of a careful analysis
摘要文章以黃沙坪鉛鋅礦尾礦輸送泵電動機自動控制系統為實例,詳細介紹了系統中變頻調速器、超聲波液位控制器的設計選型、調試要點和參數設定方法,並對節能效果進行了認真分析。分享友人