自動轉速控制 的英文怎麼說
中文拼音 [zìdòngzhuǎnsùkòngzhì]
自動轉速控制
英文
automatic speed control- 自 : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
- 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...
- 控 : 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...
- 制 : 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...
- 自動 : 1 (自己主動) voluntarily; of one s own accord 2 (不憑借人為的力量) automatic; spontaneous 3 ...
- 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...
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Automatic grinder with pneumatic carriage advance, with multiple angles seat housing knifes. 3 types of grinder wheels. 1 corindon coup bell norton, 1 corindon for vee gouges hss one vee borazon diamond for tantung vee gouges. motor 1. 5 kw at 2800 rpm. net weight make yourselve profesional sharpening, forget about outside vendors
全自動氣壓控制調節,可以一次性同時磨兩把刀具,隨機可配備3種磨刀石. 1杯型磨具, 1個磨高速鋼刀用磨刀石, 1個磨鎢鋼刀用的金鋼石磨刀具.馬達為1 . 5千瓦,轉速可達2800rpm .凈重為85公斤.可移動式工作臺,針對所有專業刀具均可加工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度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉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In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。Based on the national " ninth " five years " key project - study on the equipment and technique of raising and transplanting seedlings as the kind of factory, combining the no - tillage specialty which can shorten the working period and reduce the intension of dust devil, the key parts of corn no - tillage transplanter has been studied which can improve both the transplanting speed and reliability, reduce the labour intension of operator, further more, the method of automatic controlling whole working course has been applied by using single - chip microcomputer, the bedrock is made for transforming this technique into social productivity
本文在原來國家科技部「九五」攻關項目「工廠化育苗、移栽工藝及設備研究」的基礎上,結合免耕工藝不僅縮短作業時間,而且可以對防止沙塵暴發生有利的特點,對可以提高栽植速度和工作可靠性、降低操作人員勞動強度的玉米免耕栽植機的關鍵部件進行了詳細的研究,進一步採用單片機控制技術對其工作過程實現了自動化控制,為該技術盡快轉化為社會生產力打好基礎。Secondly, its content hasconflict with the system and it can make the system to a downfall. among the three characters. information organization is the most impotw andstable while benifit organization and control lbject embody the artificial operatingcharatel ii. fundamental causes of medium ' s industriazationwth the development of huznan societyindustry revolution happened in thewest accelerated society productivity and solved the technical obstacles of publicconununication meditun. bourgeois was becoming stronger and stronger andovercame feudality at last. wth the victory of bourgeois, market economy was devoloing quickly. thepublic communication medium of capitalism are now pursuing benefits bothobjectively and subjectively but it is impossible in the past and accomplished theprocess of early industriaiization. ' it is discussed from chinese public communication medium - - - - newspaper ' semergence, developing process and its sinuosityit comes to a conclusion that thefundarnental cause of the public communication medium is that benefit and controlinieract each other. that is to saywhen benefit is stronger control is weaker and viceversa. lll. the proccss of chincse mcdium and individual devclopmcntl. under the functions of intemal prusuing benefit desire and pursuing benefitcondition, it appeared the upsurge that newspapermen set up newspaper and new tvstation was set tip from l979 to l982. 2. the upsurge of a series of tv channel and enlargement in newspapel3. the cooperation of post and delivery and owning delivery also gives a rapiddevolopment to newspapers. 4. the strengthening of individual collectivization embodies that theindustrialization gets on a new stage. 5. the illtemational fimds also ellter into
資產階級的勝利,市場經濟得以迅速發展,資產階級的大眾傳播業主完成了由過去不能追求、也沒有條件追求經濟利益而變成了主觀上努力追求,客觀條件上也能夠追求經濟利益的轉變,從而完成了大眾媒介最初的產業化過程。從中國大眾傳播媒介? ?報紙的產生,發展過程及其曲折等方面來論述,得出了大眾傳播媒介產業化的最根本動因就是利益和控制的互動,也就是說利益強時控制則弱化,當控制強時則利益弱化。三、中國大眾傳播媒介產業化進程和個體發展第一、在自身獲利慾望及外在獲利條件的雙重作用下,從1979年至1982發生了在報業的第一次辦報熱潮和發生在廣播業電視業的建臺熱。Manipulate mechanism with concentrative link lever integrates functions, such as steering n shift and operating direction, into one operating lever. with this mechanism, driver can realize all the operations of bulldozer using elbow joint ' s action
集中連桿操縱機構取消了傳統的轉向、變速及換向操縱桿,將轉向、換向與變速操縱功能集成在一根操縱桿上,利用肘關節的自然動作控制操縱桿實現轉向、前進後退和變速。Based on the basic analysis of the structure and power elements of the hybrid vehicle, this thesis presents a powertrain system with a metal pushing belt cvt, aiming to the development status and trend of the hybrid vehicle technology in our country. a rational control strategy and its work mode of this powertrain system are determined, and correlative parameters such as the engine power, the starting torque, and the differential ratio, the rated power and torque of the motor, and the ratio of the torque synthesizer are systematically designed for the changan star 6350b. at the same time, the design of these parameters is considered as the base of the simulation of the motor control system in next step
在對混合動力汽車的結構型式和動力元件進行基礎性理論分析后,針對我國汽車技術發展現狀和混合動力汽車技術的發展趨勢,設計了一種基於金屬帶式無級自動變速器cvt混合動力汽車動力傳動系統方案,根據該傳動系統方案制定了比較合理的控制策略和工作模式,並針對長安之星6350b設計了發動機功率和起始轉矩、主減速比、電機的額定功率和轉矩、轉矩合成器速比等相關參數,為下一步的電機控制系統模擬實驗打下基礎。To adjust the handling capacity of the centrifuge by regulating 0 and 1 , suggestions are put forward as follows : ( 1 ) using dc motor instead of ac motor when scr system being used, ( 2 ) mounting a coupling on the drum shaft, ( 3 ) adding a liquid supply control system to control the filling of the fluid in the coupling
為此,提出改進建議: ( 1 )在有scr可控硅系統的現場,用直流電動機代替交流電動機,用控制電流大小的方法來調節電動機的轉速,從而控制0 , ( 2 )在滾筒軸上安裝一偶合器,利用偶合器的無級調速的特點來達到自動調節離心機處理速度和處理量的目的, ( 3 )在安裝偶合器的基礎上,增加一個液體供應控制系統。After the mathematical model of asynchronous electromotor is build, the method of space voltage vector is taken to discuss the essential principle and structure, and arithmetic of direct torque control, and the application of circular magnetic chain self - operated control and the technology of sensor without velocity in direct torque frequency conversion timing are emphasized
在建立異步電動機的數學模型之後,採用空間電壓矢量分析方法討論了直接轉矩控制的基本原理結構及其演算法,著重研究了圓形磁鏈自控制和無速度傳感器技術在直接轉矩變頻調速中的應用。Then, as the substitute of the traditional pi controller, neuron adaptive psd controller is used to alternate the velocity loop of dc driver system, simulation results show that the super - shoot in new system is small and the performance in the way of anti - disturbance and anti - time - varying parameters are higher than the traditional pi controller and robustness of the dc driver system improved greatly, in addition, through analysis of the character of the neuron adaptive psd controller, the paper presents a neural network self - tuning control method for dc driver system in which the diagonal recurrent neural network is used to identify the plant to calculate the plant ' s sensitivity for psd controllers simulation results indicate that excellent static dynamic target was got with this control method and the performance of the system is improved greatly,
然後,應用單神經元自適應psd控制器改造調速系統的轉速環,代替傳統pi調節方式的轉速控制器。模擬表明,新系統在超調、抗負載擾動和參數時變方面性能優于的傳統的pi控制方式,系統的魯棒性增強。在分析單神經元自適應psd控制器特性后,本文提出用對角遞歸神經網路辯識控制對象,為psd控制器提供靈敏度參數,從而構成一神經網路自校正控制方案。The speed sensorless techniques for dtc system are very fascinating and challenging subjects recently, they are received wide attention in the literature. some brief description is provided. the proposed approaches are based on speed model of dtc, motor reference adaptive control, the instantaneous reactive power of motor and the extended kalman filter
無速度傳感器調速系統是直接轉矩控制研究領域內一個非常熱門的研究方向,本文介紹了無速度傳感技術的發展歷史及目前的研究狀況,分別利用直接轉矩控制的轉速模型方法,模型參考自適應方法、電機定子反電動勢以及擴展的卡爾曼濾波器等方法設計了無速度傳感器系統,對于其數學模型和系統構成作了比較詳細的推導。Fan speed also won ' t modify the original automatic fan speed control for safety purpose
風扇轉速,也不會影響到原來的自動風扇轉速控制,為安全起見。As to large torque ripple in direct torque control ( dtc ) of induction motors at low speed, a kind of new fuzzy neural networks ( fnn ) approach was proposed based on the merits that fuzzy control absorbs man ' s empirical thinking and neural networks have self - organization and self - study ability
摘要針對異步電動機直接轉矩控制低速轉矩脈動大的間題,充分利用模糊控制吸收入的經驗思維,以及神經網路對信息的處理具有自組織、自學習的特點,提出一種新的模糊神經網路控制方法。System is coordinated controlled based on serial communication between the computer and plc. the followed variables are controlled : the rotational speed of the seeding device driven draft, the operation of the converter, stability and speed of the convey belt, and inclination of the test platform, which is done to simulate actual working condition of seeder
設計了基於串列通訊的微機與plc集成控制方案,控制內容包括:排種器驅動軸轉速控制、變頻器的控制、傳送帶的穩定性及速度控制、工況模擬過程中的試驗平臺傾斜位置的自動控制等。According to the present problems and developing tendency of hydraulic turbine governor, four main issues of this field are studied in this paper. the content include hydraulic control system, frequency measurement unit, stability of the discrete control system, optimization of control parameters and self - adjusting pid control strategy based on fuzzy logic. several main achievement and results are obtained and shown as follows : the electric - hydraulic pilot valve driven by step - motor is firstly proposed, which solves the problem that the electric - hydraulic converter of hydraulic turbine governor hydraulic servo is prone to be stuck and blocked and improves the systemic stability greatly
本文根據水輪機調節領域存在的問題和發展趨勢,對水輪機調速器的液壓控制系統、頻率測量環節、離散調節系統穩定性與調節參數最優整定以及適應式參數自調整pid控制策略進行了研究,得到以下主要成果和結論:首次提出了採用步進電機驅動的步進式電液引導閥,從根本上解決了水輪機調速器電液隨動系統中存在的電液轉換元件發卡、堵塞問題,使電液隨動系統的可靠性大大提高。Two diesel locomotives realized the parallel - control. we can determine two or one diesel locomotives revoluing by the load. by this way, some fuel can be saved, breakdown rate also can be decreased, resoveled the shorting of electricity fitting and kept railway transportaion running in safety and on time
同時使機車原操作方式不變,優化了內燃機車的控制,並且在重聯時,雙機能進行故障監測與報警,實現柴油機有擋、分段無級調速控制,柴油機自動運轉,閉環恆速控制,實現了設備資源優化配置。The simulation result is about the output - velocity characteristic of the m otor proving that fuzzy - adjustable - pid control strategy is superior to traditional pid control strategy and the validity of the digital controller ' s calculation
通過模擬分析,得到了馬達輸出轉速的動態響應,證明了模糊自整定pid控制效果要優于傳統pid控制、數字控制器選用演算法合理。1. automatic transmission system, srs system, electronic steering system, air - condition system, electric - magnetic control module, 4 - wheel drive system, electronic automobile motor system and the electronic automobile air - condition system : read dtc, clear dtc, action status indication, control unit identification
1自動變速箱系統安全氣囊系統電子轉向系統空調系統電磁控制模組系統四輪驅動系統電動汽車馬達系統和電動汽車空調系統,功能均為讀故障碼清除故障碼動作狀況表示控制單元識別。In addition, the performance criterion is respectively described, and the torque ripple at low - speed is analyzed in this paper. according to a method to adjust the duty ratio coefficient, we select a torque track with adaptation fuzzy controller to simulate. the experimental results show that the control strategy proposed can acquire better control effect
針對直接轉矩控制系統在低速運行時依然存在的轉矩脈動大、運行性能差的問題進行研究分析,結合傳統的固定采樣周期控制方法,提出一種基於自適應模糊轉矩跟蹤法,調節電壓矢量占空因子,進行模擬研究,改善了系統的低速性能。With the development of the computer, autocontrol technology and the electron and electric power technology, the performance of the frequency conversion of ac drive has been improved greatly, and some new technique such as vector control and direct torque control have been applied widely
隨著電力電子技術、計算機技術和自動控制技術的迅速發展,交流電機變頻調速技術的性能指標已有很大提高,新型調速技術如矢量控制和直接轉矩控制已得到了越來越廣泛的應用。同時,交流變頻調速的控制技術也在不斷進步和完善。分享友人