液壓隨動系統 的英文怎麼說
中文拼音 [yèyāsuídòngxìtǒng]
液壓隨動系統
英文
hydraulic slave system- 液 : 名詞(液體) liquid; fluid; juice
- 壓 : 壓構詞成分。
- 隨 : Ⅰ動詞1 (跟; 跟隨) follow 2 (順從) comply with; adapt to 3 (任憑; 由著) let (sb do as he li...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 液壓 : hydraulic pressure液壓泵 hydraulic pump; 液壓表 hydraulic pressure gauge; hydraulic pressure indi...
- 系統 : 1. (按一定關系組成的同類事物) system 2. (有條理的;有系統的) systematic
-
Utilizing the characteristics of quick response, easy for automatization and easy to realize frequent commutation of the hydraulic system, this mechanism can be employed in composing the compound movement in horizontal and vertical direction, which could realize accurate simulation of the motion law for motorcycles and automobiles under the effect of random load in high frequency
利用液壓系統反應快、便於自動化、易於實現頻繁換向的特點,該機構可用來合成水平、垂直方向的復合運動,實現對摩托車、汽車等在高頻隨機載荷作用下運動規律的精確模擬。With the development of multi - variable control technology and aero - propulsion technology, future excellent engine must have the character, which is high ratio in thrust and weight low fuel and long use life. therefore the control system of aero - engine has also been becoming more and more complicated. the precision of control system is also extra higher
隨著高推重比、低油耗、長使用壽命、高機動性航空發動機的研製,現代航空發動機需要控制的變量越來越多、精度越來越高,因此,航空發動機控制系統變得越來越復雜,傳統的航空發動機控制系統是採用機械液壓控制。In order to guarantee the normal operation of hydroelectric generator unit, it is necessary to make a thorough test of the performance and characteristics of a governor before it is installed or after it is overhauled. to facilitate the test of the governor, a real - time dynamic simulator based on pcc for water turbine governing system was developed. it has three functions : simulating controlled objects ( pressure water conveying system, water turbine, generator and electric grid ), simulating governor " s electro - hydraulic servo system and working as a real - time measuring system for governor
水輪機調速器是水輪發電機組一個很重要的自動化調節設備,它由調節器和電液隨動系統組成,在調速器安裝或者大修后都要對其性能和特性進行全面測試,為了方便對水輪機調速器的測試,特開發水力機組調速系統實時動態模擬儀,該模擬儀具有三種功能:對調速器調節對象(有壓引水系統、水輪機、發電機和電網)進行模擬、對調速器電液隨動系統與調節對象進行模擬和作為實時測試系統監測調速器的工作是否正常。Today, liquid crystal, a new functional material, has been applied more and more widely. on the side of display, owing to stable frarne, absolute environmental protecting, save electric energy and no tire for user, liquid crystal display keeps ahead among the range of display. with the developing of the technology of liquid crystsl, lcd will must substitute for crt and become the chief in market. in additin, liquid crystsl light filers which have been used in optic communicatins and light information handling, emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity. they manifest a series of merit, such as narrow band wide, deterioration low, wide tuning domain, simple structure and low cost, so liquid crystal light filter draw attention of many country
現在,液晶作為一種新型功能材料越來越得到廣泛的應用,在電子顯示裝置中,液晶顯示器以其畫面平穩、真正安全環保、省電和使用者不易疲勞等優點領先於顯示器的行列中。隨著液晶技術的發展,液晶顯示器將取代crt顯示器逐步成為未來市場的主流。此外,應用於光通信和光信息處理中的電調諧液晶濾光片,採用液晶材料的雙折射和電光效應與傳統f - p腔相結合,表現出窄帶寬、低損耗、調諧范圍寬、驅動電壓低、結構簡單、低成本等一系列優點,而日益受到各國研究部門的關注。Roll - and - shear random cutting run - out frame hydraulic pressure drops in automatic way
落料系統:液壓自動落料隨機配兩個料架, 3m一個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 thesis also have constructed mathematic model based on the analytic method, which used the load as input and the pressure as output, meanwhile, it have made theoretic analysis of time response. the theoretic analysis was highly agreed with the experimental result
在對出口節流調速系統液壓缸兩腔壓力隨負載變化的動態特性的理論分析時,用解析法建立了以負載為輸入,壓力為輸出的數學模型,進行時間響應分析,其理論分析結果與試驗結果相吻合。This system tests 19 parameters such as the pressure of fore and after main fluid pumps and every sub fluid pumps ", force of pedal, turn angle of steering wheel, speed of every wheels and car body, and calculates 9 correlation analyses according to the gb112676 - 1999 " automobile system structure, capability and test methods " and gb7258 - 1997 " technical regulation of automobile safety ", also it can generate data report automatically
該系統對汽車制動過程中前後液壓總泵出口液壓、各制動分泵進口液壓、腳踏板力、方向盤轉角、各車輪轉速、車體速度等共計19個物理量進行測試。系統硬體由便攜式計算機、數據採集器以及相應傳感器組成。硬體設計中採用了模塊化設計思想,使得測試系統體積小、重量輕、抗振動、安裝拆卸方便、易於維護、可以進行隨車實測試驗。Hydrawlic slave system
液壓隨動系統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。Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed
由於液壓打樁錘液壓系統是一個復雜的非線性系統,本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程,通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解,在matlab6 . 5中進行液壓系統的動態模擬,獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析,為液壓系統的設計和參數優化提供了有益的借鑒。最後,在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后,採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器,設計出了雙缸雙作用液壓打樁錘的電器控制系統。Along with the raising of parameter and the increase of unit capacity, it is more and more complex to start and run, the safety of unit also becomes more and more important the mechanical regulating system of fluid pressure type that adopts always can not be already complete to satisfy the requirement of production, especially the generation set of large scale power plant
隨著機組容量的增加和參數的提高,啟動和運行變得越來越復雜,機組的安全性也變得越來越重要,一直採用的機械液壓式調節系統已不能完全滿足生產的要求,特別是大型火電發電機組的要求。Currently most domestic break - test - plateform adopt the liquid - pressure - servo technique, which possesses the advantages of higher frequency - response and higher controlling exactness, but in the same time, the disadvantages of higher cost, variation of function with the change of oil viscousness produced by the fluctuation of temperature. moreover, the liquid - pressure system is sensitive to the pollution of oil, so it is necessary to take protective and filtrating steps
目前,國內的制動器試驗臺大多採用的是液壓伺服控制,這種控制具有響應頻率高、控制精度高等優點,主要缺點是系統成本高、油液粘度隨溫度變化引起工作性能的變化、且液壓系統對油液的污染比較敏感,必須要有良好的保護和過濾措施。With the scale of social production extends and the production horizontal exalts, the electricity control technique and the hydraulic technique all develop very quickly. electricity control technique developed from the relay system to the direct digit control ( ddc ) system the disperse control system ( dcs ) to the fieldbus control system ( fcs ). the modem hydraulic control technique have developed to a complete automation which include of transmit control testing computer technique, and gradually turn to the digit control and full - automatic control
隨著社會生產規模的擴大、生產水平的提高,電氣控制技術和液壓技術都在非常迅速的發展。電氣控制從繼電器控制系統發展到直接數字控制( ddc )系統、集散控制系統( dcs )到目前的現場總線控制系統( fcs ) 。現代的液壓傳動及控制技術已發展成一門集傳動、控制、檢測、計算機一體化的完整的自動化技術,並逐步趨向數字控制和全自動化。Secondly, the drum of the truck mixer is designed base on its working characteristic. thirdly, with the widely used soft ware package simulink the mathematic models of the hydraulic system driving the truck mixer are established on the found of the theory and method of power bond graph. the dynamic characteristics of the hydraulic system are simulated numerically, and some significant results are presented
基於功率鍵合圖的建模方法,利用大型軟體matlab的模擬工具箱simulink ,對混凝土攪拌運輸車液壓系統進行設計分析,同時建立系統動態模擬模型,用此來模擬液壓系統工作過程,更好地反映系統中各輸出變量隨輸入變量的變化關系。分享友人