機械計算單 的英文怎麼說
中文拼音 [jīxièjìsuàndān]
機械計算單
英文
mechanical calculation sheets- 機 : machineengine
- 械 : 名詞1. (器械) tool; instrument 2. (武器) weapon 3. [書面語] (枷和鐐銬之類的刑具) fetters, shackles, etc
- 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...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 機械 : 1. (利用力學原理組成的各種裝置) machinery; machine; mechanism 2. (死板; 刻板) mechanical; inflexible; rigid
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
-
Can distinguish clearly and identify red, yellow, green, blue, violet each sheet is planted color is to be not affected pursue money meeting, management kind, machinery of sports, computer makes those who wait for major, that is to say machine tool go up or the any pushbutton on machinery won ' t mark with 5 color, the any number on meeting items of an account won ' t use money 5 color are written, the every number letter that shows on the clavier letter on the computer or screen won ' t be form by 5 color, if use only color, distinguish all sorts of index, operation, discriminative job only, it is normal that only color identifies ability person all can foster into this respect useful talent or this professional expert
能夠明確區分和識別紅、黃、綠、藍、紫各單種顏色是不影響從事財會、治理類、體育、計算機機械製造等專業的,也就是說機床上或機械上的任何一個按鈕不會用五個顏色標識,財會賬目上的任何一個數碼不會用五個顏色書寫,計算機上的鍵盤字母或屏幕上顯示出的每個數碼字母不會是由五個顏色構成,只要是用單顏色區別各種指標、操作、演示的工作,單顏色識別能力正常者均可培養成這方面有用人才或這個專業的專家。During recently 3 years, i mainly engaged in mechanical vocation ' s plant planning. i attended 25 projects, which including feasible reports, preliminary designing and working drawing designing, ranged over establishment or technology reforming of machine tool factory, gear factory, tractor factory, automobile manufactory, electric pump factory, electromechanics factory, electric cable factory, the highest investment of them is 160 million yuan, total design work expand over 850 million ( no repeat calculate ). for i have professional ability and well up in developmental situation of mechanical vocation and it ' s situation inside jiangsu province, these projects what i designed were all authorized by leading department and expert, introduced into national plan and bring into operation. these projects bring both economic profit and society profit for the factory ' s technical advancement, product ' s update. as the director of these projects in these designing and consultation work, i generally organize and operate these and earn the higher valuation of leading department and consumer
近三年來主要從事機械行業工廠工程設計,先後參與二十五個項目的可行性研究報告編制,初步設計和施工圖設計.涉及機床廠,齒輪廠,拖拉機廠,汽車製造廠,電泵廠,電機廠,電纜廠的新建或技術改造,其中單項投資額最高的為1 . 6億元,總計完成投資額為8 . 5億元(未重復計算)的設計工作量.由於對機械行業發展狀況和省內狀況較為熟悉,具有一定的專業水平,這些設計項目均經有關領導部門,專家審定列入國家計劃,得以實施,為工廠的技術進步,產品更新換代,生產發展創造較好的經濟效益和社會效益.在這些設計,咨詢中,本人均任項目負責人,全面組織,實施設計工作,得到主管部門和用戶較高評價Manipulate mechanism with concentrative link lever has important significance to improve maneuverability of bulldozer currently. this thesis includes : designing manipulate mechanism with concentrative link lever and simply calculating force and displacement for operation, based on the referring existing manipulate mechanism of bulldozer ; using high - grade 3 - dimensional plotting software ug ( unigraphics ) to sculpt ; using adams ( automatic dynamic analysis of mechanical systems ) to establish virtual prototyping model and do kinematic simulation. the results verify the rationality of this mechanism and provide the basis for trial - manufacture of physical prototyping and betterment design
本文做的主要工作是:參考推土機原有的變速轉向操縱機構,設計了集中連桿操縱機構並進行操縱力和操縱行程的簡單計算;使用高檔三維造型軟體ug (全稱unigraphics )進行推土機集中連桿操縱機構的造型設計;應用機械繫統運動學/動力學模擬分析軟體adams ( automaticdynamicanalysisofmechanicalsystems )對所設計的機構建立虛擬樣機,並進行運動學模擬分析,驗證了機構設計的合理性,為物理樣機的試制和改進設計提供了依據。It is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制Abstract : it is necessary to control the mechanical stimuli precisely in the studies of cardiac mechano - electrical feedback ( mef ). in the present study a ventricular pressure - clamping system has been developed, which can be applied to isolated - perfused rabbit hearts. controlled by a computer, this system not only can make the left ventricle follow a command defining the same pressure wave as that during a beating cycle under physiological condition, but also deliver mechanical stimuli with a proper waveform to the ventricle at a particular time phase. this system integrates multiple functions, including perfusing, pacing, recording of electrocardiogram and monophasic action potentials, and clamping and measuring of ventricular pressures in isolated - perfused hearts. thus, it is a distinct system for investigating the phenomena and mechanisms of cardiac mef at organ level
文摘:在心臟機械電反饋的研究中準確控制機械刺激是非常重要的.本研究室構建了一套適用於離體家兔心臟的心室壓力鉗系統.該系統通過計算機控制壓力鉗,不僅能模擬正常生理條件下左心室的壓力波形,還能在心室活動周期的特定時相、以適當波形對心室施加機械刺激.該系統集心臟灌流與起搏、表面心電圖記錄、單相動作電位記錄、心室壓力鉗制與測定等多種功能於一體,特別適用於器官水平上觀察機械電反饋現象並探討其機制4, the paper calculates and analyzes the reliability of the example of mechanical system - the reducer system and the main drive subsystem of yp1a1h press by make use of the new theories
4 、利用新理論對機械繫統實例?一單級減速器和yp印刷機傳動子系統進行了可靠性分析計算。The main research work include ( 1 ) introduces the gemal method and steps of asteroidal magneto design, especially the method and steps of electromagnetism compute, follow these steps, the design parameters such as relative structure dimensions, coil and magnetic circuit parameters can be obtained. this method is easy to use. this thesis also provides a series of experiential coef ficients for the mode
本文主要工作如下: ( 1 )本文指出了星形磁電機設計的一般步驟和方法,重點討論了電磁計算的方法步驟,據此可以得出有關機械結構尺寸、繞組及磁路參數等設計參數;本文提出的磁路計算方法,簡單適用;本文還提出了一系列關鍵參數規范化設計模型的經驗系數。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。Second, by analyzing the domestic project cost form, we can find there are some problems throughout the inviting public bidding and the bid, in the aspects of the cost form. with the rapid development of the economy, the traditional budget ration holds back the competition and limits the positivist and creativity of the producer and the operator. at last, by analyzing the inter national project cost form and according to the project cost rule in our country, we must accord with the international conventions, introduce the principle and means of fixing a price of a foreign project and establish the calculating rule of the project quantity
其次,本文通過對國內工程造價的構成進行分析得出,本文對工程造價構成中的人工費、材料費、機械臺班費的計算,體現與市場價格機制一致,按照市場價格計算,改變以往工程造價的計取方式;同時改變定額? ?只考慮各分項工程中所消耗的人工、材料、機械臺班的數量標準,不考慮人工、材料、機械臺班的價格(這個價格應按市價計算,不是一定時期內固定不變的價格) ;改變取費方式;改變工程造價在招標投標中對評標價的確定方式,應採取工程量清單報價方式。Firstly, the circumstances of focimeter, the working principle of automatic focimeter, the mcu arm and the picture sensor are introduced in this paper. and then based on the optical principle of the automatic focimeter, the research on the optical arithmetic of lens ’ parameters and the arithmetic on the picture point are presented. and after that, the design of the whole system, the design of the optical system, the design of the mechanical system and the design of the electrical system are discussed. and then the design of the hardware system and the design of the software system are emphatically discussed
本文首先介紹了焦度計的概況、自動焦度計的工作原理、 arm單片機及圖像傳感器;然後結合自動焦度計的工作原理,對焦度計中一些光學參數的演算法以及中心像點的位置檢測演算法進行了研究和討論;接著介紹了總體方案的設計、光路系統的設計、機械繫統的設計以及電氣系統的設計;接下來重點討論了硬體和軟體的設計。There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor
本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。This system use the floater style sensor, mechanical encoder to get water - level signal, and use the at89c51 single chip system to transform the signal into water - level data, use modem through pstn to transmit data for a long - distance, and designed a information management software system hi the irrigation works bureau information center for communication and data management. the structure of the system was discussed in the thesis
該系統使用浮子式傳感器、機械式編碼器獲取水位信號,利用at89c51單片機系統採集水位數據(簡稱:下位機系統) ,採用數據機、通過公共電話網( pstn )遠程傳輸數據,並在泰興市水務局信息中心通過主控計算機(簡稱:上位機)進行通信及信息系統管理。This distributed system was consisted of three layers. the first layer is data acquisition and control circuit units which are primarily composed of single - chip microcomputers, cplds and designed according to the standards of nim modules so as to attain the acquisition and control of the data of multi - parameters and to make this kind of nim to be able to communicate directly with upper pc computers. the second one is pc computers which are used to respond and control the multi units of data acquisition and control
這種分散式系統分為三級,第一級數據採集控制單元以單片微機和cpld ( complexprogrammablelogicdevice )器件為主,按照nim插件的機械和電氣標準設計,完成多參數數據的採集控制,解決了傳統nim系統不能和計算機互連的問題;第二級是pc微機,負責協調和控制多個數據採集控制單元;一、二級構成一個獨立的子系統,可以完成多參數及相關量數據的採集和處理。In this paper i calculate the reasonable possession quantity of port handling machineries with chance - constrained linear programming. first in the paper is the background and meaning of this research ; then analysis present situation of port machinery management both in practice and theory ; in chapter 3, i qualitatively discusses characters influencing machinery quantity, which include lifting ton, intact rate and using rate, age of machinery, machinery purchase and working cost and so on. in chapter 4, i take the influencing characters to mathematic model of chance - constrained linear programming, aiming to maintain the need of production and reduce machinery cost
文章首先介紹了選題的背景、意義以及主要工作;第2章介紹了港口機械管理在港口企業管理中的地位與作用,以及我國港口機械設備管理與配置現狀,並簡要介紹目前港機合理擁有量的理論研究方法;第3章從技術與經濟角度定性分析了各種因素對港機擁有量的影響,其中主要包括機械起運量、完好率與利用率、機械設備役齡、購置與營運成本等;第4章將各種影響因素引入模犁,提出以完成生產任務、機械成本最低為目標,應用隨機線性規劃模型計算港口流動機械合理擁有量的方法;第5章以大連港大港區為例對模型進行應用,選擇四種型號叉車為研究對象,對其歷史經濟與技術數據進行統計分析,其中重點對隨機變量單位臺時維修費用進行了正態分佈擬合。On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully
高壓斷路器所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總量60以上。因此,及時了解斷路器的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特性參數監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整性監視和二次迴路保護結合起來,給出具有完整性監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次數,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭穩態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。At last, the valid data based fast emd algorithm was proposed. chaper five aimed to the requirement of the emd based time - frequency analysis in the field of rotating machinery signal analysis and fault diagnosis. studied the method of rotatory speed prediction to improve the precision of complete period sampling of vibration signals in rotating machinery, then, discussed the phenomenon of mode fission in noise signal anlysis by emd and provided the filter method to weaken the phenomenon. after then, found a process to analysis the signals using emd - based method in the field of rotating machinery signal analysis and fault diagnosis
第五章針對旋轉機械信號進行emd時頻分析的要求,提出了提高整周期采樣精度的預測演算法和適合於單片機計算的近似公式;論述了模態裂解現象,並通過模擬信號和實際信號的研究,提出了使用濾波技術來減弱模態裂解現象的方法;給出了適合於旋轉機械振動信號基於emd時頻分析的工作步驟;研究了基於emd的旋轉機械振動信號自適應濾波技術。This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing. compared with mechanical ignition timing control, this is more precise and reliable, resulting in optimized performance of engine in oil consumption, exhaust, output and torque
Fdw465b型電噴分電器總成採集發動機曲軸相位信號及轉速信號,同其它負荷傳感器(如節氣門傳感器等)採集到的信號,經電控單元ecu計算處理后,實現對發動機點火正時的電子控制,較之機械式點火正時控制更加精確、可靠,使汽車發動機系統的綜合性能得到較大提高,特別是發動機的燃油消耗率、排放、輸出功率、扭矩等方面都得到較大優化。In order to solve optimization calculation efficiency problem of large structures with more than ten thousand degrees of freedom, based on the evolutionary structural optimization method, combining with the iteration method of structural displacement calculations, a strategy and its algorithm of large three - dimension structural topology optimization designs were proposed
摘要為了提高擁有數萬個單元以上的三維機械結構拓撲優化的計算效率,基於漸進結構優化方法,並結合結構位移計算的迭代方法,建立一套三維機械結構拓撲優化的求解策略和演算法。A mechanism can be as simple as a pencil sharpener or as complex as a computer
一個機械裝置可以像削鉛筆器那樣簡單,也可以像一臺計算機那樣復雜。In the calculating process. the function of liquid proportion control was discussed. especially to the synchronic control system and the dynamic character of synchronic error and the motor circuit. lt also discussed the relationship between the hydraulic system parameter and the transmission system. in the transmission unit. the mechanical function of main parts has been optimized and calculated. good results gotten. the stress and deformation of the frame joints and poles were calculated using structure mechanics method. the character of the screw pole were analyzed
同時,為提高設備整體的性能,對機械傳動單元中重要部件臺面框架與絲杠的機械性能進行了優化與計算,重點運用結構力學的分析方法對臺面框架各節點與桿件的受力與變形做了精確的計算,並對絲杠的耐磨性、剛度、穩定性進行了可靠性分析,保證了設備的總體精度,提高了設備的可靠性,得到了比較理想的結果。分享友人