controlled variable 中文意思是什麼

controlled variable 解釋
被調參數
  • variable : adj 1 易變的，變化無常的，無定的 （opp constant steady）。2 可變的，能變的；變換的。3 【數學】變...
  1. It depends on measurement of controlled variable.

    它取決于控制變量的測量。
  2. The cooling or heating loads of different conditioned zones in one system are highly diversified and variable, or the time of operation under low load is long, and the temperatures in conditioned zones need to be controlled individually

    同一個空氣調節風系統中，各空調區的冷?熱負荷差異和變化大?低負荷運行時間較長，且需要分別控制各空調區溫度
  3. The study has completed the design of two - phase inverter and made up of the two - phase inverter - motor system for experimental use it is a variable frequency adjustable speed system with a open - loop control of rotational speed, which consists of voltage - controlled oscillator circulating assign device inverter circuit and two - phase induction motor a accurate mathematical model is set based on the whole system, and simulator program of dynamic and steady condition is established, which is used to calculate the dynamic and steady performance by kron and symmetrical coordinate converter by simulator calculation and experimental research with specific parameter of the system, a comparison is made between predicted and experimental characteristics, experimental measurements are shown to compare closely with corresponding theoretical result it is compared with some variable frequency adjus table speed system comprising inverter and single - phase induction motor from the system efficiency torque pulsation and the effect of two - phase inverter capacitance based on the conclusion, harmonic cancellation pulse width modulation control of a two - phase inverter - fed induction - motor drive system is researched, which cancelled the low harmonic and improve the system performance

    通過對電機的kron變換和對稱分量變換，建立了系統較精確的數學模型，編制了系統動態及穩態運行的模擬計算程序分別計算系統的動態和穩態性能。通過對系統的具體參數進行了模擬運算和實驗研究，實驗和模擬結果進行比較，說明實驗和理論較為一致，並從系統效率、轉矩脈動及兩相逆變器電容的影響等方面與各種逆變器和單相異步電動機組成的變頻調速系統加以比較。在此基礎上，對兩相逆變器供電-異步電動機系統使用諧波抑制pwm控制進行了研究，由於減少了低次諧波，改善了系統性能。
  4. The variable injection flow rate of product is controlled by electronic ic circuit. so the purpose of using minimum effective does and safe does and constant administration can be reached. because the product has designed various parameters, it increases functional selectional selection and makes the flow rate is more linear and constant. it is not only suitable for acesodyne after operation but also sutable for clinic application such as childbirth without pain and chemotherapy and so on

    本產品電子集成電路控制可變注液流量，達到控制最小有效劑量、安全劑量、均勻給藥的臨床用藥目的，該產品設計了多種參數，增加了功能的選擇，使流量更加線性和平穩，不僅適合手術后止痛，更適合用於無痛分娩、化療等臨床運用。
  5. A new vehicle power split continuously variable transmission system ( pscvt ) is presented in this paper. the system consists of a variable pulley set, a planetary train, two electromagnetic clutches, a electromagnetic brake etc. electromagnetic clutches and brake are controlled by ecu

    針對微型汽車，本文提出了一套功率分流式汽車無級變速系統，系統由一組可變帶輪半徑的帶式無級變速裝置和一組行星輪系、離合器及電子控制單元等組成。
  6. Based on research of wind turbine aerodynamic characteristics, this paper analyzed various control methods for a pitch - controlled system of variable - speed and constant - frequency wind turbine at a wind velocity range higher or lower its speed rating respectively

    摘要在風力機空氣動力學特性分析的基礎上，討論了變速恆頻風力機組變槳距機構在低於額定風速階段和高於額定風速階段的不同控制策略。
  7. The experimental results show that the distribution of the radial static pressure behind the model cascade can be controlled by changing the diameter, number and distribution of the holes at different radius of the full circled backboard with the holes properly ， and the experiments variable enthalpy drop in the model cascade can be realized by using out - circled backboard or in - circled backboard which are set on the different distances from the trailing edge of the model cascade

    實驗結果表明，適當選擇全環鉆孔擋板不同半徑處的鉆孔率、鉆孔直徑與分佈，可調節靜葉后徑向靜壓分佈，採用外環或內環擋板，並將其分別置於靜葉的近、中、遠下游，可實現靜葉柵的變焓降實驗。
  8. The stator of aceg is connected to the grid and the three symmetrical excitation windings in the rotor are fed by converter. the magnitude and frequency and phase and phase sequence of excitation voltage can be controlled, so the magnitude and position of excitation mmf as well as the speed of rotor can be controlled. therefore, acegs have superior performances by contrast with conventional synchronous generators and induction generators, such as upstanding stability, power generation of variable speed constant frequency ( vscf ), adjusting active power and reactive power independently, and absorbing lag reactive power deeply

    交流勵磁發電機的基本結構與繞線式異步電機相同，其定子側接電網，轉子上採用三相對稱分佈的勵磁繞組，由變頻器提供對稱交流電勵磁，且勵磁電壓的幅值大小、頻率、相位、相序都可根據要求加以控制，從而可以控制發電機勵磁磁場大小、相對于轉子的位置和電機的轉速，使得交流勵磁發電機具有良好的穩定性及轉速適應能力、獨立的有功與無功調節能力和較強的進相運行能力，性能超越傳統同步發電機和感應發電機，因而有著廣闊的應用前景。
  9. And sampling rate conversion with timing variable interpolator controlled by nco ( from high rate to low rate ) is applied to software radio receivers. the controlling principle and implementation of interpolator are presented

    同時把nco控制的插值變換（從高速到低速）方法應用到軟體無線電接收機中，闡明了其控制原理，指出了控制環路中內插濾器的實現方法。
  10. This paper presents the upgrade and modification design of the sl - 3000 model digital - controlled logging system, which consists of two important modules - communication control module and acoustic wave vdl ( variable density logging ) module. the working principle of these two modules, hardware architecture, circuit design and the implementation of the pci interface are also expatiated

    本文介紹了sl - 3000型數控測井系統中兩個重要的模塊? ?通信控制模塊和聲波vdl模塊的升級改造設計，具體闡述了這兩個模塊的工作原理、硬體構成、電路設計以及pci介面的實現。
  11. This text will analyze technology requirement and realization way of flow field adjusting system of fl - 8, and expatiate the theory of frequency conversion. ac variable frequency speed regulator controlled by dtc become the key technology of this facility and make it more advantage and credible. new method and tactic to control wind speed was given

    本文分析了fl - 8風洞流場調節系統的技術需求和實現途徑；闡述了變頻原理， dtc控制的交流變頻調速器作為風洞流場調節系統的先進性和高可靠性及關鍵技術；提出了風洞風速控制的方法和策略。
  12. Erosion damage decreases rock load area, after defining damage variable, the damage stress in rock can be calculated by the method bring forward by lemaitre conveniently. for surrounding rock of a deep buried tunnel under the condition of drained, its seepage character is not only controlled by the high stress in rock, but also influenced by the development of erosion damage. in the whole course of rock " s deformation and failure, its seepage character decreases with the increment of stress in elastic stage, while " increases with the development of failure

    巖樣中全應力?應變三軸滲透試驗過程中的典型表現為隨著應力的增加，巖體內的空隙和裂紋受載閉合，滲透性降低，應力達到一定閾西南交通大學鷹士研究生學位論文第11頁值后，巖體內部裂紋發生擴展和歸並，滲透性增強；同樣，地下水的動、靜壓力作用對裂紋的擴展和歸並也起著促進作用。
  13. It plays an important role in such aspects as saving the electricity, reducing the maintenance, realizing the automation and so on. becauce of its difference from d. c. motor, it is a complex controlled - object for its nonlinear, multiple variable, high order, compulsive coupling

    2 -試驗過程復雜。在交流調速技術中，變頻傳動是現代電力傳動的主要發展方向，它在節能減少維修、提高效率、實現自動化方面有很大優勢。
  14. Indirectly controlled variable

    間接被控變量
  15. Ultimately controlled variable

    最終被控變量
  16. Directly controlled variable

    直接被控變量
  17. The hydraulically actuating, electronically controlled variable valve actuator, the common rail hydraulical source and the electronic control unit have been designed and developed. the primary control strategies of the valve timing in different conditions have been discussed. the performance of the system has been researched deeply by experiments, from which, plenty of rules have been obtained, and the way to adjust valve timing, lift and duration has been put forward

    研製了電控可變氣門系統的執行器? ?電控可變氣門驅動機構，設計了電控可變氣門系統的液壓驅動源? ?中壓共軌液壓源，開發了電控可變氣門系統的電子控制單元，實現了在不同工況下，氣門正時、氣門開啟持續期、氣門升程柔性的電子控制，並對不同工況下配氣正時的控制策略進行了初步探討。
  18. Common - rail injection system is one of the best and the most hopeful fuel injection systems, and the electronically controlled variable valve system becomes important too

    燃油共軌系統是公認的最有發展前途的燃油系統。配氣系統的電控化也是不容忽視的。
  19. Converted controlled variable

    變換了的受控變量
  20. Consequently, to optimize the engine performance in any condition and any circumstances, a need exists for a device that permits variable valve timing, variable lift and variable valve duration during engine operation. so a flexible, hydraulically actuating, electronically controlled variable valve system ( haecvvs ) for model 2135 diesel engine and the experiment bench for its performance have been deve loped

    為了能夠在任意工況下對發動機的性能進行優化，作者在系統分析了國內外各種可變氣門系統的發展狀況及特點的基礎上，開發了一套中壓共軌、液壓驅動、電子控制可變氣門系統及其性能測試臺架，並對電控可變氣門系統的性能進行了研究。
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