The discrepancy between the actual output voltage and expected output voltage of the matrix converter is calculated and added to the switch modulation matrix in the next sampling period as feedback.
该方法将实际输出电压和期望输出电压的比较偏差作为负反馈加到下一个采样周期的开关调制函数矩阵中。
A novel multilevel matrix converter is proposed, and its topology configuration, operating principles and space vector modulation technique are introduced.
提出了一种新颖的多电平矩阵变换器，介绍了其拓扑结构、工作原理和空间矢量调制技术。
A polarization modulation technology for a position sensor with grating imaging is presented and its modulation principle is analyzed with Muller matrix.
提出了一种用于光栅成像位置传感器的偏振调制技术，利用米勒矩阵对其调制原理进行了详细的分析。
Space vector pulse width modulation(SVPWM) and multi-step commutation method of bi-directional switches are the basic control strategies of the matrix converter.
空间矢量脉宽调制和双向开关多步换流方式是矩阵式变换器的基本控制策略。
Based on the output-voltage error function, a novel time-discrete modulation technique is proposed for matrix converters (MCs) and time-discrete difference equations of a MC circuit are derived.
针对矩阵变换器调制方式的特点，提出了基于输出电压误差函数分析的矩阵变换器离散调制技术，推导了基于时间离散和差分原理的电路方程。
Detailed analysis and description on space vector modulation and two-step commutation were given, and a prototype matrix converter was built.
对矩阵变换器的空间矢量调制法以及半自然两步换流技术进行了分析及阐述，同时研制了一套矩阵变换器样机。
Double space vector modulation and overmodulation of matrix converter were proposed in this paper to ensure the matrix converter switching frequency to be fixed and fast dynam-ic torque response.
结合矩阵变换器双空间矢量调制方法，并将矩阵变换器过调制方法用于感应电机直接转矩控制中，达到矩阵变换器开关频率恒定和电机快速转矩响应的目的。
The output voltage waveforms of matrix converter which is based on the space vector modulation are analysed under the unbalanced input voltage. A time-variant modulation ratio method is proposed.
在非对称输入电压情况下，对基于双空间矢量调制的矩阵变换器的输出电压波形进行了分析，提出了利用时变调制比改善输出电压波形的方法。
The AC-AC direct transformation control and the double-space-vector PWM scheme of the matrix converter are deduced, mathematic model of space vector modulation (SVM) matrix converter is built.
导出了矩阵变换器的交-交直接变换控制规律和双空间矢量PWM调制策略，建立了交-交直接变换控制方式下矩阵变换器的数学模型。
In order to study the strategy of input current modulation, the simulation model of matrix converter under unbalanced input is built with MATLAB.
通过参数设定、输入电压相位计算、控制算法实现和开关接口等环节设计，实现了输入电流偏置角动态调整的控制策略。
In order to study the strategy of input current modulation, the simulation model of matrix converter under unbalanced input is built with MATLAB.
通过参数设定、输入电压相位计算、控制算法实现和开关接口等环节设计，实现了输入电流偏置角动态调整的控制策略。
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