control constant 中文意思是什麼

control constant 解釋
控制常數
  • control : n 1 支配,管理,管制,統制,控制;監督。2 抑制(力);壓制,節制,拘束;【農業】防治。3 檢查;核...
  • constant : adj 1 恆定不變的,固定的,穩定的,恆久的;繼續不斷的。2 不屈不撓的,堅韌的。3 忠實的,有節操的。n...
  1. The machine is circumgyration drilling machine that the rotary drives drilling tool to bore by rotation, adopts full hydraulic pressure drive, constant power loop, wheel cylinder startup, oil cylinder disappear ing end bumper, electrohydraulic combined control, steel wheel traveling and disassembly transport

    該機是由轉盤帶動鉆具旋轉鉆進的回轉鉆機,採用全液壓驅動,恆功率迴路,分泵啟動,油缸升降,電液復合操縱,鋼輪行走,解體運輸。
  2. Acr, constant current control or automatic current regulator

    定電流制御
  3. On constant temperature control circuit with high precision

    高精度恆溫控制電路
  4. A constant temperature control system based on profibus - dp

    現場總線的恆溫控制系統
  5. 4. auto constant temperature control for hot sealing

    4熱封合自動恆溫。
  6. This paper presents a method that chopping wave is done by switch devices which consist of three - level resistance regulating module and intelligence power module ipm, and which realizes constant - current discharge of storage battery. to achieve the intelligence control of the drive protection and the discharge process of ipm, the paper designs circuit formed by igbt threshold drive pulse pwm signals. ipm fault - blocking protection circuit and microcomputer 80c196. the devices can accurately control the 0 ~ 150a discharge current and the discharge time of the storage battery and calculate the releasing power

    實現蓄電池恆流放電過程智能控制是蓄電池放電裝置發展的必然趨,本文提出了一種通過三極電阻調節模塊和由智能功率模塊ipm為開關器件進行斬波從而實現蓄電池恆流放電的方法。為達到對ipm的驅動保護和放電過程的智能控制,文中設計了igbt門極驅動脈沖pwm信號形成電路和ipm故障封鎖保護電路及由單片機80c196為核心的微機控制器。本裝置能夠對蓄電池進行0 150a放電電流及放電時間的精確控制及釋放容量的計算。
  7. This paper supplied a new way through variable frequency variable speed ( vfvs ) to change its output flow rate and adding a constant - pressure - drop valve, which could solve the defects in hydraulic pressure servo control system, such as low efficiency in control system, short life, poor ability in resisting pollution, low efficiency in driving system and flow rate, pressure pulse. and this way was proved to be effective

    本論文針對傳統伺服控制系統效率不高、元件壽命短、抗污染能力差、驅動系統效率低、存在流量及壓力脈動等缺陷,利用先進的交流變頻調速技術改變液壓泵轉速的容積調速新方法,提出了在液壓系統中加一個定差減壓閥的新思路,較好地解決了液壓伺服系統存在的上述問題。
  8. Then following reality constituent of engine and connecting component interface, a nonlinear signal cylinder engine model has been created, though fire interval and fire order, a control - oriented four cylinders engine is build. following dynamometer is seen as load, performance of engine is simulated and researched under the condition of constant torque and speed, validation of the math and simulation model have been confirmed by comparison result between simulation with test result of engine performance simulation software dyno

    按照發動機的實際組成,根據各部件的介面類型連接模型庫中的部件,建立了單缸發動機非線性模型,在此基礎上,依據發動機實際發火間隔和順序,建立了面向控制的四缸汽油機模型,並以測功器為負載,通過恆轉矩和恆轉速方式進行了發動機性能模擬和研究,模擬結果和發動機動力性能模擬軟體dyno測試結果的對比驗證了數學模型和模擬模型的正確性。
  9. There are over 80 sets test apparatus in tech - innovation centre, including : anechoic chamber, vibration tester, vibration measurement analysis, impact instrument, constant temperature and humidity facilities. salt spary test case, circle insulation withstand voltage tester, insulation resistance tester, withstand voltage tester, electric lead tester, electrical leakage tester, earth resistance tester, chassis dynamometer, chassis dynamometer control system, high stability dc resistance tester, electrical capacity tester, temperature rise test system

    中心擁有各類分析測試儀器和試驗裝置80餘臺套,包括:消音室振動臺噪聲振動測試分析系統沖擊儀恆溫恆濕實驗儀鹽霧試驗箱匝間耐壓分析儀絕緣電阻分析儀對地耐壓分析儀泄露電流測試儀對地電阻測試儀測功機測功機控制系統高精度直流電阻測試儀電參數測試儀帶電溫升測試儀復合式三坐標測量儀萬分投影儀及電功測試分析系統等。
  10. The technology of high power constant current charging, high voltage heavy current discharging switch, high speed and high voltage pulse generator, precision synchronization delay, auto control and so on are concretely introduced in this paper

    具體研究了大功率恆流充電技術、高壓大電流放電開關、高速高壓脈沖發生器、高精度延時同步技術及系統自動控制技術。
  11. The system can deploy and recover fomc under the way of constant tension control, so that the influence on the sarv motion will be reduced and the intertwist and damage of fomc will be avoided

    該系統採用恆張力控制收放光纖微纜,使光纖微纜隨著水下機器人的運動釋放和回收,減小了光纖微纜對水下機器人運動的影響,避免了光纖微纜的纏繞和損傷。
  12. Presents the steady - state programming with constant coolant average temperature and constant live steam pressure, an ideal programming for marine nuclear power plant ( npp ), under which, both the coolant average temperature and the live steam pressure of nuclear steam supply system ( nsss ) are constant when the steady state operating condition is varied, and points out that in comparison with the steadysate programming with constant coolant average temperature, the ideal programming can improve the overall operating performance of npp effectively, especially in low - load range, for instance, raise the heat efficiency of npp, decrease the operating noise of main coolant pump, and improve the conditions of design, operation and control of the secondary loop system

    雙恆定運行方案是船用壓水堆核動力裝置的理想運行方案.在這種運行方案下,當裝置穩態功率變化時,冷卻劑平均溫度與蒸汽壓都保持不變,與通常採用的冷卻劑平均溫度恆定運行方案相比,有效地改善了核動力裝置的總體運行性能,特別是在低負荷運行時,可以提高裝置經濟性、降低主泵運行噪聲、改善二迴路系統的設計、運行和控制條件,這對于提高船用核動力裝置的運行可靠性和安全性具有實際意義
  13. For piston-engine-propeller system, the usual fixed-control case implies fixed throttle and constant rpm.

    對于活塞式發動機推進系統,通常固定操縱情況是指固定油門和轉速不變的情況。
  14. On the base of discussing about recent exploit and research progress on shoaly land, the authors put forward the frame of the research on shoaly land, in which the research on shoaly land is divided into two levels : basic research and application research. basic research includes the researches on basic conception, continuous evolution, and exploitation theories of shoaly land. and application research can be divided into three parts : social research, economic research, and ecological research. in the end, it is brought forward that some items should be researched first, such as the research on conception, statistics unit, constant inspection, law control, management system, public participation, industry policy, resource evaluation, and environmental impact assessment of shoaly land exploitation

    在簡略分析國內外沿海灘塗開發研究進展的基礎上,提出了我國沿海灘塗研究的理論框架,將灘塗研究劃分為基礎研究與應用研究2個層次。其中,基礎研究包括灘塗基本概念問題動態演變問題和開發理論問題等3個方面,應用研究則包括灘塗社會問題經濟問題和生態問題等研究內容。
  15. It was specially pointed out that, when the tail water is constant maximum tide, the computed flood surface is higher than that of nonsteady current, so there is some safety superelevation. underestimation of the roughness will make downward bias to compute along - river surface and bring hidden trouble for flood control. to improve the section can decrease the water level or offset the water rise for increase of floodplains " roughness, but it need much engineering works

    特別提出,按照恆定流計算出來的設計水位比非恆定水位具有一定的安全儲備;而對于灘地糙率的低估又會造成設計水位的偏低,給防洪工作帶來隱患;如果利用改進斷面形式來降低水位或彌補糙率增加帶來的水位抬高,需要較大的工程量,所以平時應注意灘面的減糙管理工作。
  16. This low time constant is consistent with the stability requirements of close-loop control systems.

    這低時間常數是符合閉迴路控制系統中穩定性的要求的。
  17. Design of high precision universal constant temperature control system for electric resistance furnace based on plc

    的通用高精度恆溫控制系統設計
  18. In this paper point to point control, constant frequency control and up and down frequency control are studied, in which current lagging loop control method is used to restrict over currents. and using flux tracking method, position open loop, position close loop control system are also studied. and research results indicate that larger current ripples are restricted by means of subdividing space vectors

    本文以永磁同步電動機為研究對象,分別對同步電動機的點動控制、恆頻控制以及升降頻控制進行了分析與研究,研究中採用了電流滯環控制方法,可有效地限制過電流現象;此外採用磁鏈跟蹤法對位置開環和位置閉環的步進控制系統分別進行了探討與研究,研究表明,採用矢量細分后,可有效地減小電流波動。
  19. The hardware system includes power supply circuit, clock reset circuit, jtag model building circuit, decoding circuit, memory interface circuit, man - machine interface circuit and numeric control constant - current source interface circuit

    硬體系統主要包括電源電路、時鐘復位電路、 jtag模擬介面電路,譯碼電路、存儲器介面電路、人機介面電路、 adc轉換電路和數控恆流源介面等。
  20. Using for reference the design method of transverse filer, we presented the way to resolve the control constant, through which we could realize the stabilizing control speedy if initial values of chaotic system was given. in designing the sliding mode controller, adaptive control theory and system identification method were used in system, with which we can realize the synchronous control of uncertain chaotic dynamical system. 4

    在滑動模態控制器設計過程中,從非線性控制策略的角度出發,將自適應技術、系統辨識技術應用於混飩系統的同步控制,提出了一種基於參數估計的自適應混飩同步控制方法,針對混飩動力學系統參數未知的情況,自適應估計系統參數,控制混燉系統同步。
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