液體阻力器 的英文怎麼說

中文拼音 []
液體阻力器 英文
liquid resistor
  • : 名詞(液體) liquid; fluid; juice
  • : 體構詞成分。
  • : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 液體 : liquid; liquor; fluid
  • 阻力 : 1 (阻礙事物發展的外力) obstruction; resistance 2 [物理學] resistance; drag; drag force; nowel; ...
  1. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求,課題期間研製了下位機系統硬和軟,開發了上位機監控軟,其中所作的具工作包括:測量原理的研究和在系統中的實現,在本次設計中用三種方法來進行水位測量,分別是旋轉編碼法、位壓傳感法和可變電法;主控晶元的選擇,我們選用了高集成度的混合信號系統級晶元c8051f021 ;實現了信號的採集和處理,包括信號的轉換和在單片機內的運算;高集成度16位模數轉換晶元ad7705在系統中的應用,我們完成了它與單片機的介面設計及程序編制任務;精確時鐘晶元ds1302在系統中的應用,在此,我們實現了用單片機的i o口與ds1302的連接和在軟中對時序的模擬,該晶元的應用給整臺儀提供了時間基準,方便了儀的使用;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測,該部分的實現是通過採用ad421晶元來完成的,本設計中完成了ad421與單片機的spi介面任務,協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系,並完成了程序設計;與上位機的通信介面設計,該部分通過兩種方法實現: rs232通信方式和rs485通信方式;系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  2. In the third chapter, the mathematical models of project system have been established, and simulation has been done on the simulink enviroment of matlab software kits. the simulation focus on the effects of main parameters on the dynamic characteristics of speed control system, and the main parameters include viscosity damp coefficient and friction torque of electrical motor shaft, internal leakage coefficient of pump / motor of hydraulic circuits, gas volume of pressure accumulator, viscosity damp coefficient of cylinder piston and different running building floors, etc. at last, theoretical research effects of the flow and pressure pulsation of pump / motor on car speed and oil volume leakage theory are discussed. the fourth chapter of this thesis concerns the research on the key items about hydraulic power control system according to the ens 1 - 2 and other hydraulic elevator standards

    論文第三章針對組成系統的各個模塊進行了機理建模,並且通過matlab軟中的simulink圖形化模擬環境進行了本課題系統的模擬研究,主要針對影響系統特性的主要參數變化,動態分析系統的輸出特性,在上下行工況中,分析了電機軸系粘性尼系數、軸系摩擦矩、主迴路蓄能迴路壓泵馬達內泄漏系數、蓄能容積、壓缸柱塞粘性尼摩擦系數以及不同運行樓層工況等參數對系統特性的影響;最後對軸向柱塞泵馬達的流量壓脈動對電梯轎廂速度的影響和蓄能內油積損失機理進行了理論研究。
  3. We have many industry automize instruments such as temperature transmitter ( integrate temperature transmitter module ( double temperature transmitter module ), integrate temperature transmitter, track isolation temperature transmitter, hanging temperature transmitter, pressure transmitter ( expanding silicon pressure transmitter, sapphire pressure transmitter, spraying ( metal slim film ) pressure transmitter, strain pressure transmitter, ceramic resistor, capacitance pressure transmitter, 1151 and 3151 series pressure transmitter, fluid location transmitter module ( specializing for fluid location meter ), collocated electricity meter ( sigle round, double round ), signal isolation ( single round, double round ), transducer ( temperature, pressure ), display head ( showing 100 % scale, lcd fluid crystal, led digital display ), numerical instrument and so on

    產品有溫度變送(一化溫度變送模塊(雙支溫變模塊) 、一化溫度變送、導軌式隔離溫度變送、壁掛式溫度變送、架裝式溫度變送) 、壓變送(擴散硅壓變送、藍寶石壓變送、濺射式(金屬薄膜)壓變送、應變式壓變送、陶瓷電、電容壓變送、 1151 、 3151系列壓變送) 、位變送模塊(專為位計廠配套) 、配電(單迴路、雙迴路) 、信號隔離(單迴路、雙迴路) 、傳感(溫度、壓) 、配變送的顯示表頭( 100刻度顯示、 lcd晶顯示、 led數碼顯示) 、數字儀表等工業自動化儀儀表。
  4. In order to set up the dynamic model of swimming micro robot, this dissertation builds up the statics model and analyses the micro motion amplifying performance of micro robot mechanism, builds up the vibration model of micro robot and analyses the vibrating performance without and with damp, researches the propelling force of driven wing and the resistance of micro robot in liquid based on the theory of flat board resisting stream, builds up the dynamic model of swimming micro robot for the first time in nation and analyses its swimming performance which is influenced by driving signal frequency, amplifying performance of main machanism, area of driven wing, character of fluid and so on. this dissertation manufactures the micro robot and sets up the experimental environment and tests the amplifying effect and the vibrating performance

    本文建立了主機構靜學模型,研究了主機構的結構參數對微位移放大性能的影響;建立了主機構振動模型,研究了主機構在無尼和有尼情況下的振動特性;根據流學平板繞流理論,研究了驅動翼產生的推進和微機人在流中受到的;在此基礎上國內首次建立了泳動微機人的動學模型,並對模型進行了深入的研究,詳細闡明了驅動信號頻率、主機構放大性能、主機構振動特性、驅動翼面積、性質等因素對微機人泳動特性的影響。
  5. This distributor use small space. has more distribute hole, little gas resistance, low pressure drop, wide operation flexibility

    該氣分佈空間佔位更低,氣通道開孔率更大,氣流小,壓降低,操作彈性范圍大。
  6. This paper studies on the control strategy using magnetorheological dampers based on the resilience model ou jinping suggested, then set up the mathematics model for improved control strategy that utilize the dampers " character sufficiently, and also give a simple method to solve the problem

    本文基於歐進萍給出的恢復模型,對控制策略進行了研究,充分利用磁流變能連續可調的特性,建立起改進控制策略的數學模型,同時還給出了一種簡化的求解方法。
  7. Semi - active control is fit for suppressing the vibration of vehicle suspension system. electrorheologic fluids can transfer between newton fluid and bingham fluid with the control of applied electric field. electrorheologic damper, which can offer controllable damping force, can be used in semi - active control of vehicle suspension s ystem

    電流變( electrorheologicfluids )在外加電場的作用下可以實現牛頓( newton )流和賓漢( bingham )流之間的轉變,利用電流變製造的能夠提供可控,可以利用電流變實現對車輛懸架系統的半主動控制減振。
  8. The paper summarizes the development of the control technology of paver ' s vehicle system ; discusses the feasibility of the plc application to vehicle system ; calculates and examines the working resistance and power of the control system as well some concerning parameters of the hydraulic system ; builds the driving system velocity characteristic ; accomplishes the hardware design and the software design according to the functional requirements of vehicle system and the features of plc ; adds the pid compensation to the closed circuit velocity control ; sums up the mathematic model of hydraulic pump - motor system and defines the controller parameters ; in the end, the simple dynamic simulation basing on the control system model and the simulative test are carried out to testify the reasonableness and the feasibility of the designed plc control system

    本文總結了攤鋪機行駛控制技術的發展,討論了plc應用於行駛系統的可行性;計算和校驗了控制系統工作、功率及壓系統有關參數;建立了行駛驅動系統的速度特性;結合行駛系統的功能要求及plc的特點,完成了控制系統的硬設計和軟設計;對其速度閉環控制,引入了pid校正環節;歸納了壓泵?馬達系統的數學模型,確定了控制的控制參數;最後對控制系統模型進行了簡單的動態模擬和plc模擬試驗,初步證實了控制系統設計的可行性和合理件。
  9. So far, the research is partial to designing resilience models for magnetorheological dampers, and is weakness in control strategy comparatively. two aspects are not concerted with each other

    目前的研究多偏於磁流變恢復模型的設計,而相比之下對基於這些恢復模型,進行結構控制策略的研究還很少,二者顯得很不協調。
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