機械功 的英文怎麼說
中文拼音 [jīxiègōng]
機械功
英文
mechanical work-
The properties of calorifics, crystallinity, mechanism and shape memory were studied and the effect of structures on propt es were studied through the relationship between them
在材料篩選工作的基礎上，合成了具有形狀記憶功能的線型聚氨酯彈性體。研究了它的熱學性能、結晶性能、形狀記憶性能、機械性能。According to the system technology require, adopting singlechip realize open loop digital control of hdclsm ; using v / f conversion and complex key - control method realize digital setting of system parameter, such as velocity ; using micro - stepping control insure the motor running more smoothly ; adopting debasing speed control method to eliminate the mechanical impact of distance termination effectively ; at the same time, analyzing main power circuits drive circuit and protect circuit of system, completing hardware design and facture and software programming and debugging ; at last, making a whole test in hybrid rotary step motor. the experiment result indicates that this control system reaches the qualities required and run smoothly also
根據系統技術要求，採用單片機實現了混合式直流直線步進電動機的開環數字控制；利用v f變換和復合鍵控方法實現了系統轉速等參數的數字設定；利用細分控制技術保證了電機運行的平穩性，並進行了波形分析和理論研究；採用單片機軟體降速控制策略解決直線步進電機行程末端的機械沖擊問題；同時對主功率電路、驅動電路和系統保護電路進行了分析，完成了硬體設計、製作和軟體編程、調試，最後在混合式旋轉步進電動機上進行了全面測試。Compared with traditional mechanical and optic gyros, hrg has such advantages as no high speed circumvolving or moving parts in structure, no warm - up time and short start - up time, wide signal band in frequency, low excursion noises, great endurance in over loading, nuclear radiation and short time power off, small bulk, light weight, low power cost and long life, which is suitable for space applications
與傳統的機械陀螺和光學陀螺相比，半球諧振陀螺具有如下優勢:結構上無高速轉子、無活動部件;不需預熱，啟動時間短;信號頻帶寬，漂移噪聲低;能承受大的機動過載;抗核輻射，並可經受短時間電源中斷的影響;體積小，重量輕，功耗低，壽命長，非常適合空間應用。First, it is compressible and cushiony ; second, it can be transported to a long distance with a little power loss ; the last, its flux and velocity of flow are quite high, so the reaction time of the operators can been considerably shortened. aiming to solve the problems of vibrating machinery such as short life - span, poor cushion and high energy consumption, the writer, on the basis of characteristic of pneumatic mentioned, contrives a set of valve controlled pneumatic vibrator, which has larger output vibrating force and longer life - span with simple structure. then, it is applied to drive a vibrating screen and the result is fairly well
文中針對氣動技術本身的特性及優點，如：可壓縮，具有緩沖性；能耗損失小，便於遠距離輸送；流量大、流速高，執行元件響應速度快等，以解決振動機械在應用過程中的緩沖、能耗以及使用壽命等問題為目的，設計出一套輸出激振力大、結構簡單、使用可靠的閥控氣動激振器，並將其成功地運用到振動篩上，取得了較好的效果。There are two innovated points in this paper. the first is that we abandoned mechanical apparatus in deflexion, and this is good for signal ’ s disposal. the second is that we adopted nlc facility and this will largely lighten apt systerm ’ s size, weight and power consumption
本論文的創新主要在於兩個方面: （ 1 ）摒棄了機械式的偏轉控制，便於其後的信號處理。且該器件驅動電壓低（約3伏） ，功耗小（毫瓦級/平方厘米） 。Aimed at the flaw of weak anti - slide function in traditional engineering machine, the thesis puts forward a new auto - anti - slide differential gear system controlled by intel 8751 microcontroller, which adopts the fuzzy logic as its control algorism and the best slide ration ( s ) as system ' s control target
針對傳統工程機械差速系統存在防滑功能不強的缺陷，提出以intel8751單片機為控制晶元，以最佳滑移率s為控制目標，採用模糊邏輯控制為控制演算法的自動防滑差速系統。Hsieh, h. i. and tsai, l. w., " kinematic analysis of epicyclic - type transmission mechanisms using the concept of fundamental geared entities, " asme transactions, journal of mechanical design, vol. 118, pp. 294 - 299, 1996
黃華志，自動變速箱之檔位設計與效率分析，國立成功大學機械工程研究所，碩士論文，臺南市， 1992 。In applications where mechanical springs can not be used, a pneumatic spring provided with stored air pressure is capable of providing a fail safe mode
對于有些無法採用機械彈簧的應用場合，可以配置氣動彈簧，以儲備足夠實現故障安全功能的氣源壓力。The area within the field of fluidics in which components and systems perform functions such as sensing, logic, amplification, and control without the use of mechanical parts
射流技術的一個領域，其部件和系統執行諸如傳感、邏輯、放大和控制之類的功能，而不使用機械零件。With this purpose, this paper researches the state of dometic and overseas seal technique ; uses other enterprise ' s successful experiments for reference ; combines the factory set ' s structural property, technics characteristic and the different request of medium leakage degree ; considers the respective strongpoints of floating ring seal, conical floating seal, suction labyrinth seal, inflator labyrinth seal, mechanical seal, dry gas seal ; finds out the optimum, dependable seal techinique fiting for each set on the base of entire analysis on the centrifugal compressor. and in the end by putting this plan into practice the factory achieves localized reconstructs, reduces the production cost and fulfils the demands of secular safe use
本文在把握國內外離心壓縮機密封技術的發展狀況，借鑒其他企業的成功經驗基礎上，根據我廠機組結構特性、工藝特性、介質泄漏程度要求的不同，以及浮環密封、錐形浮環密封、抽充氣式迷宮密封、機械密封、干氣密封的各自特點，對離心壓縮機存在的密封問題進行了全面剖析，研究了適合每臺機組最佳、可靠的密封技術，實施了本地化技術改造，降低了生產成本，滿足了機組長期穩定運行的生產要求，取得了顯著的經濟效益和社會效益。Both mechanical damage and insect herbivory make plants emit damage - induced volatiles which not only have the functions of indirect and direct defenses but also can server as interplant. alarming signal
摘要植物在遭受到機械損傷或昆蟲取食后釋放出的傷誘導揮發物，除了具有間接防禦和直接防禦功能外，還具有作為報警信號在植株間傳遞傷害信息的作用。It is impossible to have a cyclic machine that completely converts the random molecular energy of heat flow into the ordered motion of mechanical work.
不可能得到一種循環機器能把熱流的無序的分子能量完全轉變為機械功的有序運動。Development of power testboard for small engine and digital displaying mechanism with higher accuracy
小功率電動機高精度數顯機械功率測試儀的研製Based on testing and analyzing the relative results of the gear reducers ' standard or the problems emerging in chinese coalmine and the same products in other nations, proposed effect of different thermal radiation on the thermal power of gear reducer, gave effective thermal radiation measures in different case when designing and selecting the big power reducer, to ensure the thermal power of gear reducer increasing
摘要通過對我國現行減速器行業標準及煤炭行業生產現狀與國外同類減速器的對比分析，提出了不同散熱方式對減速器熱功率的影響，給出了在設計和選用大功率減速器時，針對不同的工況所應採取的有效散熱方法，保證減速器熱功率的有效提高，最大限度地發揮和使用設計機械功率。The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault ， researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system ， a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows ： this paper compared some existing methods in excitation control ， fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 ， indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which ， discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations ， made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations ， which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations ， there were several very important parameters of power system - - rotor angle ( ) ， rotor speed ( ) ， generator q axis voltage ( eq ) ， transient voltage ( e ' q ) ， active power ( pe ) ， mechanical input power ( pm ) ， valve opening ( ) ， generator terminal voltage ( vt ) ， based on the model ， nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault ， which achieved better postfault regulation compared with another two routine methods ， one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either
在介紹逆系統理論的基礎上，詳細介紹了dfl理論，通過比較闡明了dfl理論其本質是逆系統方法的一類，並結合具體課題推導出的模型方程將dfl理論進行了擴展，使之適應于電力系統這個強非線性對象。通過參考大量的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方程，此模型方程涵蓋了電力系統中特別引人注目的幾個量- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ，在此基礎上建立了實用的電力系統簡化的數學模型，並將擴展的dfl理論應用於此模型系統，結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制器及機端電壓最優控制器，通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制器+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節器和基於二次型性能指標設計的最優快控汽門（考慮發電機的飽和因素）進行了對比，證實了採用此種控制器可以有效地提高電力系統的暫態穩定性，並且在電力系統遭受小干擾時同樣具有良好的調節性能。Rating plates for rotating electrical machinery ; design
旋轉電動機械功率銘牌.結構Traditionally, bare metal stents, which perform a purely mechanical function, were used
通常使用單純具有機械功能的裸金屬支架。Improve function upgrade functions of machine, cooling, production and quality
強化各部功能：機械功能冷卻功能生產功能提高品質。Another exigency inoles the carrying out of the mechanical functions of the damaged bone while the desired regeneration takes place
另一亟需解決的是當所期望的骨再生發生時，它能執行受損骨組織的機械功能。Now control technology is becoming an important motivity that promotes packing machine functions improving
控制技術的發展越來越成為推動包裝機械功能提高的重要動力。分享友人