controlling torque 中文意思是什麼
-
Permanent magnet synchronous motor ( pmsm ) drived by triphase sinusoidal current is research object in this paper. its mathematics models in several coordinate are set up, controlling principles of flux linkage and torque are discussed under dtc and the block diagram of pmsm with dtc is presented
本文以三相正弦波驅動的永磁同步電機（ pmsm ）為研究對象，建立了其在不同坐標系下的數學模型，並深入探討直接轉矩控制中永磁同步電機的磁鏈和轉矩的控制思想，給出控制方案。 -
( 5 ) " electronic controlled bypassing air + three - way catalytic converter " system used for carburetor petrol engine which " is capable of setting up working condition for three - way catalytic converter and can solve the contradiction between emission control ( controlling hc, co, nox at same time ) and power, torque, fuel consumption having been put forward
（ 5 ）建立了針對化油器式車輛的「電控補氣+三效催化轉化器」系統，通過採用雙迴路電控補氣可以為三效催化轉化器建立良好的工作條件，較好的解決了化油器式汽油機動力性、排放（同時降低hc 、 co和nox ）之間的矛盾。 -
Fin stabilizer is a kind of active stabilizer, which is designed on the principle of torque counteraction. fin stabilizer applied at present is an angle feedback system which calculate the controlling torque through the fin angle. because the relationship between the lift produced by fin and the fin angle is mainly determined by the hydrodynamic experiment, so there are some defects
目前使用的減搖鰭是一個角度反饋系統，它通過鰭的轉角來計算控制力矩，這樣就存在一些不足之處，因為鰭上產生的升力和鰭角的對應關系主要靠鰭模的水動力試驗來求得。 -
In this paper, several scheme of vscf is compared firstly, of which gets doubly - fed generating mode. doubly - fed vscf wind power generating system uses a doubly - fed induction generator, which rotate speed can be able to change with wind turbine, and it ensures a constant - frequency output, by controlling the frequency of current input into rotor windings. in vector trans control system, the control of stator active power and the control of stator reactive power can be essentially decoupled, and the former is via torque component and the latter is via exciting component of stator current
本文首先比較了幾種變速恆頻方案，從中選擇了雙饋式變速恆頻方案；它運用雙饋電機的工作原理，允許發電機轉速變化，而在電機轉子側接入低頻勵磁電流，通過控制該電流的頻率，保證雙饋電機定子輸出的頻率恆定；再結合矢量控制技術，通過調節轉子電流來控制定子電流的轉矩分量和勵磁分量，相應獨立地控制發電機輸出的有功功率和無功功率。 -
It has much merit that controlling structure is simple, and the torque response of system is rapid and has no overtaking melody, and electrical energy can inpour electrified wire netting by returning unit
它具有控制結構簡單、系統的轉矩響應迅速且無超調、電能可通過其回饋單元回饋電網等眾多優點。 -
This paper analyzes the forming principle, effecting factors and controlling measures of poisonous gas of exhaust emission from petrol engine for vehicle fully and accurately. after the comparison on the emission control measures, it is clear that there is a trade - off relation between emission control and power, torque, fuel consumption of engine. " efi + catalytic converter " is a integration measure of in - engine and out - engine, which is a mainstream technology of emission control for petrol engine for vehicle
本文通過大量的文獻閱讀，翔實的分析了車用汽油機排氣中有害氣體成分的產生機理、影響生成的主要因素、治理排氣污染物的主要技術措施，指出這些措施與發動機的其他性能（如動力性、經濟性等）的一種折中關系，只有「電控噴射+排氣催化轉化」是一種機內與機外相結合的措施，是控制車用汽油機排放的主流技術。 -
A variable - speed dtc pmsm system is set up to verify the dtc theory in pmsm, that is to control the toque by controlling the torque angle of motor if the stator flux linkage keeps constant. this paper points out the function of the space voltage vector by which the torque angle can be changed according to the need of torque of the motor
主要作了以下開創性的工作：系統地闡述了永磁同步電機直接轉矩控制理論，發展了原有的控制理論，明確了空間電壓零矢量在控制系統中的重要作用? ?保持電機轉矩輸出，減小轉矩脈動，據此提出了包括零矢量的新型控制方法。 -
With the computer controlling the output of the digital signals and the analog signals, controls and adjusts startup, stop, turn and rotational rapidity of the transducer - electromotor and the strength of brake actuator ; installs the torque sensor on dynamical axis, and installs the encoder on non - dynamical axis of the dimensional globoidal indexing cam mechanism ; utilizes the virtual instrument language labview development the test and control system, with the computer real - time monitoring, late displays and storages the data of the test, and processes the data and analyses it
利用計算機控制數字量輸出和模擬量輸出來達到控制和調節變頻電機啟停、轉向、轉速;控制制動器的啟停和加載力;在弧面分度凸輪的加載軸和空軸上安裝扭矩傳感器和編碼器;應用虛擬儀器語言labview開發試驗臺的測控軟體系統，用計算機進行實時監測與事後顯示與存儲，並進行信號處理與分析。 -
At last, simulating the start - up, accelerating, constant speed and decelerating conditions of city bus, by using simulation method studying energy - saving characteristics under the condition of constant torque, power and rotational speed controlling brake
最後，模擬城市公交車啟動、加速、勻速和減速工況，應用計算機模擬方法研究了恆扭矩控制制動、恆功率控制制動和轉速控制制動條件下的節能特性。 -
The performance of the electric vehicle is improved greatly in which the harmonic wave of output voltage, power loss and torque pulsation of the system are decreased by controlling the switch angles
它運用規則采樣法產生正弦脈寬調制波，通過開關角的控制抑制逆變器輸出電壓中的諧波分量，降低了電動機的損耗和轉矩脈動，使電動車的運行性能得到了較大改善。 -
The contributions done are as follows : according to the mathematical model of doubly fed motor and the theory of vector control, a unit power factor of rotor control scheme is proposed. in the doubly fed adjustment system, in order to control magnetic torque of motor this scheme is designed by controlling the reverse direction between rotor voltage and current to keep the vertical direction between rotor current and flux. it is known from theoretical analysis that for partly decoupling this scheme is only effective under sub - synchronization speed, but not control the system and obtain steady state since speed adjustment system ca n ' t adjust the magnitude of rotor flux under sup - synchronization
而傳統的無速度傳感器雙饋調速矢量控制系統，由於採用磁鏈定向方法，在同步速附近存在較大的工作死區，針對上述問題，本文做了如下的研究工作：本文從雙饋電機的數學模型出發，根據矢量控制的基本原理，提出了一種轉子側功率因數為1的雙饋電機矢量控制方案的設想，即在雙饋調速時採用轉子電流定向的方法，並控制外加轉子電壓與轉子電流始終反相，以保持了轉子電流與轉子磁鏈矢量垂直，通過控制轉子電流的大小來達到控制電機電磁轉矩的要求。 -
By using for reference, in theory, simply introduced the basic working principle of the secondary adjusting hydrostatic transmission system, the basic controlling rules of secondary regulation, and the most radical controlling rules such as rotational speed, torque control and power control etc. by analyzing theory and studying, check - uping the motion parts of secondary element and constructing the control system ; and setting up the topmost rotational speed control system ; designing and completing the software of date processing and system control
通過參考相關的資料，從理論上介紹了二次調節靜液傳動系統原理，二次調節系統的基本控制規律，簡要介紹了最基本控制規律如：轉速控制、扭矩控制和恆功率控制等。在理論分析和研究的同時，對二次元件的運動部件的檢測和控制系統進行構建；組建了二次元件最高轉速控制系統；設計並完成了數據採集和系統控制軟體；同時，對二次元件控制系統和制動特性採用pid控制進行計算機模擬研究。 -
This thesis covers : first, description principle about locomotive, such as t four - phase rectifier and control theory, machine flux and torque models, the manner of controlling machine and so on
如四象限變流器的原理和控制理論、電機磁鏈和轉矩模型、控制牽引電機的方案? ?直接轉矩控制理論等。 -
The automatic control system to the group of generators is a important part of the tank ship monitoring and controlling system, which is very important ; torque is one of important signals to been monitored in the software system and non - contact torque sensor is just the very advanced technique in the field of torque measurement
其中，發電機組的自動控制是油船綜控系統的重要組成部分，意義重大；扭矩是監控軟體需要重點監控的信號之一，而非接觸扭矩傳感器正是當今先進的扭矩測量技術。 -
And it analyses the power factor in different conditions via the fourier anlysis of the stator current and voltage. then, it sets up the simulating model for maximum torque / current ratio. the torque can be controlled by controlling the angle of stator current vector
在矢量控制實現的基礎上，採用傅立葉分解分析電機的相電流和相電壓，得到矢量控制系統中電壓和電流的基波分量和相位角，進而判斷電機的功率因數，分析在不同控制情況下電機的功率因數狀況。 -
Further more, through the calculation formula for the motor ' s output torque, the dissertation analized the relations between the motor ' s various parameters ( including structure and controlling parameters ) and the output torque of the rotor, discussed the qualities and the changing features of the motor ' s output torque, and so established a firm theoretical basis for analizing and designing the new type of micromotors
通過電機輸出扭矩公式，本文還定量分析了電機的各種結構參數和控制參數與輸出扭矩的關系，討論了電機輸出扭矩的性質和變化特點，為合理分析和設計該類電機提供了理論基礎。 -
But dtc is a kind of the more advantageous control technology that places stress on controlling the torque of the motor directly, which overcomes the disadvantages of vc and brings the second natural fly - by of the speed regulation control theory of ac motor
直接轉矩控制是一種更先進的控制技術，它不需要解耦電機數學模型，強調對電機的轉矩進行直接控制，在很大程度上克服了矢量控制的缺點，成為交流電機調速控制理論第二次質的飛躍。 -
In course of the simulation of mathematical model, this paper analyses and calculates quantitatively the key variables of torque pulsation, that is electromotive force wave and current wave, and tables a proposal through controlling the angle of pwm supply voltage, at the same time the results are given
在數學模型的動態模擬求解中，對電機轉矩產生的關鍵量?電動勢波形和電流波形進行分析研究和定量計算，並提出通過控制pwm電壓的開關角來降低轉矩脈動的方法，同時給出模擬結果。
分享友人