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The method combing harmonic linearization and integral time absolute error optimal control to realize the PWM converters' optimal control is proposed according to the hysteresis current control's characteristics.

根据滞环电流控制的特点,提出了将谐波线性化方法与ITAE优化控制律相结合的方法,以实现对PWM变换器的优化控制。

ABSTRACT:In 1970's,one method of AC induction motor control called Direct Torque Controlwas raised.

直接转矩控制是20世纪70年代提出的,在80年代中期发展起来的新型电机调速方法,是继矢量变换控制技术之后,且与之并行发展的一种新型的高性能的交流调速传动的控制技术。

Based on the analysis of current situation of urban traffic signal control, a method of single intersection signal control was presented based on fuzzy neural network control. Density of vehicle flow of current and next phase was determined by detecting the queue length of the current and next phase, so that it was further determined whether the phase should be changed or not.

在分析城市交通信号控制研究现状的基础上,提出一种基于神经网络模糊控制的单路口交通信号灯控制方法,通过检测当前相位的排队长度和下一相位的排队长度得出当前相位以及下一相位的车流密度,进而判断是否进行相位变换。

To weaken the influences of the position-dependent periodic disturbances and parameter uncertainties, the robust repetitive controller was designed, which associated structure singular value theory with the discrete-time repetitive control theory. The problem of robust repetitive control was transformed into one of H∞ optimal control using linear fractional transformation. The robust repetitive controller was achieved using D-K iteration procedure and made the servo system have stability, robustness and tracking performance.

为了削弱周期性扰动及参数变化不确定性的影响,将重复控制和结构奇异值理论相结合,利用线性分式变换(linear fractional transformation,LFT)将鲁棒重复控制问题转换成H∞最优控制问题,采用D-K迭代法设计鲁棒重复控制器(robust repetitive controller,RRC),实现系统的稳定性和鲁棒性,提高系统的跟踪特性。

The principle and implementation of the control technique are introduced, and the operation, characteristics and small-signal model of MPT controlled buck converter are also studied.

介绍了MPT控制方法的原理和实现方式,详细阐述了MPT控制Buck变换器的工作特性、控制规律和小信号模型,并进行了分析对比、仿真和实验研究。

After the chained conversion, the paper discussed controllable method of chained system, as a result, we applied the time polynomial inputs control solution in our manipulator.

完成链式变换后,本文研究了链式系统的控制方法,利用时间多项式输入控制的方法实现了对该多关节机械手臂的控制。

This paper presents a new method for OCC, which has no reset switch, and so is very simple. Small signal model is established. Theoretical analysis is verified by simulation results.

本文在分析单周控制方法基本原理的基础上,提出了无复位开关的单周控制新方法,以Buck变换器为例,建立了控制系统的小信号模型,通过理论分析和仿真结果证明了该方法的正确性。

Due to these characteristics,it is especially suitable for those situations with high voltage level,High Power and not large speed adjustment range,such as wind machines and pump load. Direct Torque Control which was developed rapidly in the middle of 1980's has been applied to many occasions up to now .

直接转矩控制是80年代中后期发展起来的新型电机调速方法,是继矢量变换控制技术之后,且与之并行发展的一种新型的高性能的交流调速传动的控制技术。

Due to thesecharacteristics,it is especially suitable for those situations withhigh voltage level,High Power and not large speed adjustmentrange,such as wind machines and pump load. Direct Torque Control which was developed rapidly in the middle of 1980's has beenapplied to many occasions up to now .

直接转矩控制是80年代中后期发展起来的新型电机调速方法,是继矢量变换控制技术之后,且与之并行发展的一种新型的高性能的交流调速传动的控制技术。

By sampling echo signal demodulated and A/D transform, sampling value is transmitted to SCM for compare, division, calculation, and exporting gain code to control signal range; furthermore controlling the AGC circuit, realizing amplification control to echo signal, consequently stabilitate the signal range in a window for the later circuit.

通过对检波后的回波信号进行采样,经过A/D变换,采样值送入单片机内部进行比较、判别、计算,然后输出可控制信号幅度的增益码去控制AGC电路的受控级,实现对回波信号的增益控制,从而使得输出信号幅值稳定在一个窗口内,供后续电路处理。

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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

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他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。