2 . the asymptotic stability and balanced growth solutions of the dynamic input - output system are studied 深入研究了動態投入產出系統的漸近穩定性和均衡增長解問題。
After measuring and analyzing the vibration acceleration of a armored vehicle ' s gearbox , the ar model of single and multiple input - output system are established and the parameters are classified 通過對裝甲車輛齒輪主傳動系統的振動信號測試與分析,分別建立了單輸入單輸出及多輸入多輸出系統的受控ar模型,辨識了系統參數。
Under some natural weak assumptions that do not require the technological coefficients matrix is indecomposable , the fact that the dynamic input - output system is not asymptotically stable and the closed dynamic input - output model exists a balanced growth solution is proved 利用矩陣特征值理論和廣義系統理論,在相對弱的條件下(不需要直接消耗系數矩陣不可分解) ,證明了動態投入產出系統不是漸近穩定的。
The control system of wind turbine includes individual control and group control . according to the control process and main technical parameter , the paper accomplishes the control system structure design and input - output system design . this paper also deeply analyzes the operation principle of the whole control system and the relation between each part in order to realize the no - person automatic operate 本文以1mw變槳距風電機組為研究對象,根據其主要技術參數及控制工作過程,對其單機控制系統的構成進行了設計,闡述了輸入輸出接口和各個控制環節的運行原理及其相互之間的聯系與約束關系,從而實現在無人值守的條件下,實現多種預定的控制目標,并在此基礎上探討其更廣泛的適應性及實用性。
This paper expatiated that the mathematics models of ac motor is higher order , non - linear and closed coupling , multivariable input - output system . and introduces the principle and the algorithm of sine pulse width modulation ( spwm ) , opened - loop space voltage pulse width modulation control ( svpwm ) and field oriented control ( foc ) . finally , realized the control strategies of variable - frequency speed regulating using assembly and c language 文中闡述了交流異步電機的數學模型是高階、非線性、強耦合的多變量輸入輸出系統,介紹了交流電機的正弦脈寬調制、開環電壓空間矢量的u / f控制和磁場定向控制的原理及控制算法,并利用dsp構成控制系統,通過匯編語言和16位定點c語言混合編程的方法實現了上述的變頻調速控制策略。