轉速控制精度 的英文怎麼說

中文拼音 [zhuǎnkòngzhìjīng]
轉速控制精度 英文
speed accuracy
  • : 轉構詞成分。
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 動詞1 (告發;控告) accuse; charge 2 (控制) control; dominate 3 (使容器口兒朝下 讓裏面的液體慢...
  • : 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...
  • : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 轉速 : speed; revolution; rotation rate; speed of revolution; rotating speed; rotational speed轉速指示器...
  • 控制 : control; dominate; regulate; govern; manage; check; cybernate; manipulate; encraty; rule; rein; c...
  • 精度 : precision; accuracy; degree of accuracy; precision accuracy; trueness
  1. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫,開發了一種內燃機燃燒分析儀.該分析儀由國產高數據採集卡及自行開發的軟體組成.它不僅能確設置每曲軸角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  2. Main purpose of carbo rubber control regulating wheel, which not only drives work piece to run, but also can control in feed crossing speed during machine operation

    無心調整輪主要用途除了與主輪帶動工件運外,並可在機臺作業時做進刀及橫送,已達工件之要求。
  3. Main purpose of carbo rubber control regulating wheel, which not only drives work piece to run, but also can control in feed crossing speed during machine operation. that achieved the precision requirement of work piece

    無心調整輪主要用途除了與主輪帶動工件運外,並可在機臺作業時做進刀及橫送,已達工件之要求。
  4. 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方面,採用低性能好的分裝式直流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測量元件,運用軸角換器ad2s80a進行角的輸出,採用技術成熟的pid方案,進行和位置雙閉環,以實現指向反射鏡的平穩性和位置的確性。
  5. Electric - controller is nubbin in developping. we are based on designing to structure of circuit, we are dead against in time and stabilization for controlling and communications, precision and rapidity for transformation etc. we have completed to select on microprocessor, clock - frequency and a / d transfer. it carry out transformation for valve position signal, and select on solid - switch ac

    器的電路結構設計的基礎上,考慮到通訊、的及時、穩定、換的等幾方面,主要完成對微處理器的選擇、時鐘頻率和a d換器的選用,閥位變送功能的實現,固態交流開關和顯示器的選擇等。
  6. A data acquisition system with the following features is realized : ? transmission rate up to 100kbyte / s over usb ; ? system ' s dynamic range as high as 120 db ; ? multi - kind of trigger mode control ; ? sampling rate as high as 100 ksps ; ? 12 - bit a / d conversion accuracy ; ? 32k bytes on - board data memory ; ? the system, which was made up of large - scale electronic chips, is small, light and portable, and suitable for field use

    本設計最終實現了一個瞬態信號數據採集系統,它具有以下特點: ?採用usb介面進行高數據傳輸,傳輸達100kbyte / s ; ?採用浮點a / d換技術,動態范圍達120db ; ?多種采樣觸發方式; ?最高采樣率100ksps ; ? 12位采樣: ? 32kb數據緩存; ?使用新型大規模電子器件,系統結構緊湊,重量輕,適合野外作業。
  7. In direct torque control system, speed sensors are usually used to survey the speed of motor, but speed sensors have many disadvantages, such as inconvenient fixing and maintenance, inaccurate precision. at present it is an efficient and feasible method to estimate speed by using software instead of hardware

    以往在直接系統中採用傳感器檢測信號,由於測裝置具有安裝不便、維修困難、測量差等缺點,因而採用軟體代替硬體檢測設備辨識,即進行無傳感器的設計,不失為一種有效可行的辨識方法。
  8. Step motor has the advantage of the reliable, simple and high accurately control in the control system. as industrial controlling computer, plc can control the rotation and feed

    摘要步進電機在開環系統中具有動作可靠、簡單、高等優點, plc作為工業計算機,可實現步進電動機和進給量的
  9. This system provides precise control and process monitoring, in which the temperature in different area and the pressure in head of machine can be controlled automatically by the computer

    本系統要提供和過程監視。它有自動喂料電機、主電機,調節溫的功能。
  10. Motion control is a comprehensive subject. modern ac drive is a important embranchment in the field of motion control. however, it is difficult to rea1ize high - performance ac drive systems because induction motors are a kind of strongly - coupled nonlinear system with many variables and the torque is not easy to control. with vector control technology decoupling and torque control of ac motor are solved. the basic idea of vector control is that three - phase system is equiva1ent to two - phase system by coordinate transformation and it realizes the decoupling between field current and torque current of the stator in order to control the flux and current respectively, thus induction motor can be considered dc motor and high performance is achieved easily. with the progress of electric and electronic technology and the development of computer, high - integrated special modules and high - precision digital signal processor ( dsp ) are applied to ac drive so that vector control has been developed rapidly

    但是高性能的交流調系統實現很困難,這是因為交流電機是多變量、強耦合的非線性系統,不易實現高性能。矢量技術則解決了交流電機解耦與問題,其基本思路? ?應用坐標變換將三相等效為二相,實現定子勵磁電流分量與矩電流分量之間的解耦,達到對交流電機磁鏈與電流分別的目的,交流電機等效為直流電機實現高性能調。隨著電力電子技術的進步,計算機技術飛躍發展,高集成的專用模塊和高的數字信號處理器應用於交流傳動系統中,促進矢量迅猛發展,日趨成熟。
  11. Aim at the dtc ' s blemish mentioned above and the direction of dtc technique development, the dissertation put great emphasis on the work as follows, with an eye to exalt dtc system function : ( 1 ) a new speed - flux observer of an induction motor is proposed to enhance the accuracy of flux observing, which is an adaptive closed - loop flux observer and different from the traditions. a new adaptive speed - observation - way is deduced out according to the popov ' s stability theories ; ( 2 ) to improve the performance of dtc at low speed operation, we have to exalt the accuracy of the stator flux estimation and a new way of bp neural network based on extended pidbp algorithm is given to estimate and tune the stator resistance of an induction motor to increase the accuracy of the stator flux estimation ; ( 3 ) digital signal processor is adopted to realize digital control. an device of direct torque control system is designed for experiment using tms320lf2407 chip produced by ti company ; ( 4 ) bring up a distributed direct torque control system based on sercos bus, sercos stand for serial real time communication system agreement which is most in keeping with synchronous with moderate motor control ; ( 5 ) the basic design frame of the hardware and software of the whole control system is given here and some concrete problem in the experiments is described here in detail

    針對上面提到的直接的缺陷和未來直接技術發展方向,本論文重點做了以下幾個方面的工作,目的在於提高dtc系統的綜合性能: ( 1 )提出一種新型的磁鏈觀測器,新型的磁鏈觀測器採用自適應閉環磁鏈觀測器代替傳統的積分器從而提高磁鏈觀測的,並且根據popov超穩定性理論推導出的新型自適應收斂律; ( 2 )改善系統的低運行性能,主要從提高低時對定子磁鏈的估計入手,提出了一種提高定子磁鏈觀測的新思路? ?利用基於bp網路增廣pidbp學習演算法來實時在線地修正定子電阻參數; ( 3 )採用數字信號處理器dsp實現系統全數字化硬體,結合ti公司生產的tms320lf2407晶元,設計了直接系統的實驗裝置; ( 4 )提出了基於sercos總線網路化分散式的直接系統, sercos ( serialrealtimecommunicationsystem )是目前最適合同步和協調的串列實時通信協議; ( 5 )基本勾勒出整個系統的硬體和軟體設計基本框架,詳細描述一些實驗中的具體的細節問題。
  12. This processing line has two sszm1200c straight line double edgers and 90 transfer table. 30 spindles on each sszm12000c, high collocated, wheels. high - level of polishing ; compact and steady base, precise and smooth transfermission system ; big power frequency - conversion motor to control the speed of pedeail ; plc control system sets processing parameters via interface, to control the width and the speed, the minimum size of the glass can be 127xl27mm ; the structure of the machines is compact and stable. this line is our new designed products, and it s the ideal choice of assistant equipment for exquisite and industrial glass, besides, it can be used with other machines to form a production line set

    本生產線由2臺sszml200c玻璃直線雙邊機和1個90中臺組成每臺sszml200c玻璃直線雙邊機配置30個磨頭,磨輪配置多,加工拋光好底座穩重扎實,傳動系統確流暢大功率變頻電機調傳送皮帶驅動plc系統通過界面設定參數,最小加工玻璃寬尺寸小至127127mm機器結構緊湊性能穩定,是我公司全新設計的力作是大批量品玻璃和工業玻璃磨邊生產的暈佳配套設備,可口與夾膠印花,鋼化等生產線配套使用
  13. The high speed of its a d converter and high accuracy make it equally suitable for fast, precise force measurements in inspection, control and safety devices and for use in weighing applications

    該元件有高的a d換和高,適用於檢查和安全裝置中快準確的力測量,同時也可以用於稱重測量。
  14. Piston ring is the important accessory of the engine and turning its contour is the key procedure to ensure the performance of piston ring it has great value in economy and society that we develop the nc machining system for outer circle of piston ring to manufacture the high quality piston ring and to replace the import machine according to piston ring contour data provlded by the cad system , it can turn the piston ring contour by controlling the displacement of servomechanism which is controlled by the angle of servo motor it uses the theories of velocity closed loop 、 dlsplacement closed loop and feed forward control to improve the control precision of system on the basis of theories of elastic mechanics and mathematics , the cad system can provide the accurate data required by the nc machine system according to the calculation model and the parameters of piston ring this system integrates the cad cam technology

    系統根據活塞環cad系統生成的介面數據,通過伺服電機的角位置自主研製的高性能微位移進給機構產生給定的位移,以完成活塞環輪廓的仿型加工。系統採用、位置閉環及前饋理論,以提高系統的。活塞環cad系統以彈性力學和數學方法為基礎,根據常用的計算模型與活塞環參數自動生成數加工系統所需的確的介面數據,實現cad / cam一體化。
  15. 9. a fuzzy reasoning controller is designed to improve the performance of the mentioned disturbance observer. as the motor speed and load torque varying, the parameter of the disturbance observer can be changed by the fuzzy controller based on experiences. the pulsating torque can be compensated more strictly in a extended range

    9 、對基於干擾觀測器的矩脈動系統進行了改進,設計了一種模糊推理器,根據電機和負載矩的變化調整干擾觀測器的增益,保證了矩脈動系統的,並擴大了其運行范圍。
  16. In the last few years, a lot of high performance speed identification methods have been appeared in order to obtain the same speed performance of the speed - sensorless control system as that of speed - sensor control system ( or direct torque control )

    近幾年來,為了使無傳感器系統具有與有傳感器系統(或直接)相當的性能,出現了很多高性能的辨識方法。為了提高辨識的,本文在辨識這方面做了進一步的探索。
  17. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調系統的數學模型,在模擬的基礎上,對傳統pid調節器進行了改進,提出調節器和電流調節器採用分段pid結構,根據給定所處的區間,自動選擇相應pid調節器的參數,拓寬了調范圍,提高了
  18. In the control strategy, the basic value of rotation rate is calculated by corrected similar formulation and the adjustment value is ascertained by output of fuzzy controllers, the strategy can assure steady precision and to eliminate vibration

    在這種策略中量的基值根據修正後的相似公式進行計算,而量的調節值為模糊器的輸出,這樣做既保證了系統的穩態;也避免了系統振蕩。
  19. The speedometer and electron tachometer, which developed and produced by ourselves, use the high precision impulse control system, the core is micro processing unit, has featured of impact design, powerful functions, easy to operate and reliable performance

    公司自行設計開發製造的車里程測試儀以單片機為核心的高系統。具有結構緊湊功能全外型美觀操作簡便運行可靠等特點。
  20. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規律分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為核心,以超聲電機為驅動元件,以高光電編碼器作為和角位移檢測裝置,實現了機械臂的復位以及預定軌跡的閉環系統的開發;同時為適應一些強不大、要求不高的應用場合,也為降低成本,簡化裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、技術較為成熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套系統,實現了手臂的復位、勻運動以及預定軌跡的系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的
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