approximate circle 中文意思是什麼
approximate circle
解釋
近似圓- approximate : vt 1 使接近。2 接近；走近。3 近似，約計。4 模擬。5 估計。vi 近於。 His income this year approxima...
- circle : n 1 圓；圓周；圈；環；環狀物。2 圓形場地，馬戲場；（鐵路的）環行交叉口；（體育場的）圓形看臺；（...
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The dissertation deals in details with the basic principle of direct torque control. according to the faults of traditional direct torque control and the requirement of an induction motor ' s control strategy change the method of regulating stator flux to make its path approximate to a circle as possible as could. to get quickly torque control, use a three - value regulator
本論文介紹了電動機直接轉矩控制的基本原理，並根據傳統直接轉矩控制存在的缺點以及對電動機調速性能的要求，改變對定子磁鏈的調節方式，使定子磁鏈軌跡近似為一圓形，對轉矩採用三值調節器進行調節，以實現轉矩的快速調節。 -
According to the faults of traditional direct torque control and the requirement of an induction motor ' s control strategy, the author changes the method of regulating stator flux to make its path approximate to a circle as possible as could and put forward a new way to use a three - value torque regulator
本論文研究了異步電動機的數學模型，介紹了直接轉矩控制的基本原理，並根據傳統直接轉矩控制存在的缺點以及對電動機調速性能的要求，改變對定子磁鏈的調節方式，使定子磁鏈軌跡近似為一圓形。 -
Through the approximate handling of geomagnetic intensity and differential riccati equation, the magnetic attitude h control law of the microsatellite in a circle orbit which has external disturb and the structural perturbation is presented
通過對衛星地磁場和微分riccati方程進行近似處理，給出有外界擾動和結構化攝動圓軌道衛星系統的h _磁姿態控制規律。 -
Rational number can approxim ate to real number, use the notation of approximate one can prove riemann function isn ' t differentiable anywhere, that the rational points are dense in unit circle
摘要利用有理數對實數逼近的表示方式，給出黎曼函數處處不可導的一種證明，給出單位圓周上的有理點在單位圓上稠密的證明。 -
In this dissertation, the author has accomplished the simulation of the dtc system and analyzed the corresponding results. the software of the digital control system, in which the digital signal processor ( dsp ) is used, has also been designed in the thesis. the direct torque control scheme is studied in the paper, and the simulation models of hexagon flux control system and approximate circle flux control system are presented based on the application of matlab / simulink
本文對異步電機直接轉矩控制變頻調速方法進行了研究，採用mathworks軟體公司為matlab開發的系統模型圖形輸入和模擬工具simulink對直接轉矩控制的六邊形和近似圓形兩種定子磁鏈控制方法進行了模擬，實現了有速度傳感器的直接轉矩控制系統的構建，從理論上證明了這兩種方法的可行性。 -
The fourth chapter applies the exact linearization controlling method to control the approximate inertial manifolds of a partial differential system ks equation. this method can control the chaotic states into steady states and also can control the steady states into circle solutions. the chen equation and ks equation both have typical dynamical behavior and dynamical character
第四章中應用精確線性化控制方法對無窮維動力系統ks方程的近似慣性流形進行混沌控制，可以將傳統近似慣性流形下的混沌狀態控制為穩定狀態，也可以將穩定近似慣性流形下的穩定狀態控制為周期解。
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