The voltage space vector is selected as the PWM method.
论文采用电压空间矢量作为PWM调制方法。
It is lastly performance and cost criteria to determine the choice of a PWM method in a specific application.
对于具体的应用而言，选择一种PWM控制技术的最终决定因素是性能要求及成本标准。
The fixed frequency sample PWM method is put forward in this paper together with the theoretical analysis about their switch strategy.
本文提出恒频采样电流跟踪型PWM方式，并对其开关策略进行了理论分析。
Based on this, the thesis also researches PWM control methods of multi-level inverter and introduces the carrier PWM method of three-level inverter in detail.
在此基础上，研究了多电平逆变器的各种PWM控制方法，并对三电平逆变器的载波pwm方法进行了详细介绍。
A novel carrier-based PWM method utilizing control freedom degree (CFD) is proposed. The principle, simulation and DSP implementation of the method are discussed in detail.
基于分析的结果，提出了一种新的载波pwm控制方法，并详细讨论了这种方法的原理，仿真及DSP数字实现。
Theoretically analyzed the cause of the non-conduction phase current with the PWM method of upper and lower bridge arm chopping by turns, and made some experiments to verify its validity.
结合上下桥臂轮流斩波PWM调制方式，从理论上分析了不导通相电流产生的原因，并进行了实验研究，表明不导通相电流的大小与不导通相的反电势大小有关。
The presented phase Angle PWM method is centering attention on motor stator voltage space vector and controls the vector Angle to vary linearly and so reduces higher harmonics in voltage wave.
本文提出的角度PWM方法着眼于电机的定子电压空间矢量，使其矢量角均匀变化，减小电压波形中的高次谐波分量。
This paper puts forward a voltage and current double closed-loop controlling method based on three-phase voltage source PWM inverter.
提出了一种基于三相电压型PWM逆变器的电压电流双闭环控制方法。
On the base of all kinds of topology structure, introduce common PWM control method, and make detail analysis and comparison about it.
在各种拓扑结构的基础上，介绍了比较常用的各种PWM控制方法，并对其进行了详细地分析和比较。
The method of finite state machine together with PWM circuit is given to realize the algorithms of Voltage Space Vector control and 120 electrical Angle changing phase control of DC brushless motor.
针对电机空间矢量控制和直流无刷电机120电角度换相控制算法的电路实现，采用了控制状态机与PWM发生电路相结合的方法。
In this paper, the operation principles of the total system and power-amplifier circuit, design method of digital PWM hardware circuit and software are described, and.
文中着重阐述系统和功放电路的工作原理、数字脉宽调制器的硬件电路、软件设计方法，并给出实验结果。
The converter use ZVS-PWM technique and the average current mode control method, and the use of maximum current flow to achieve automatic multi-parallel current.
该变流器应用ZVS - PWM技术和平均电流模式控制方法，并采用最大电流自动均流法实现多机并联均流。
A kind of direct numerical calculation method for the steady-state analysis of PWM inverter-fed induction motor drives was presented.
本文介绍一种脉宽调制型(PWM)逆变器异步电机变频调速系统稳态分析的直接数字计算方法。
PWM wave is generated by splitting Zero vector quasi circular locus method.
该系统用零矢量分割的准圆轨迹法生成pwm波形。
The new method is verified by experiments on a prototype of dual-PWM three-level induction motor drive system.
双pwm三电平异步电动机调速系统样机上的实验结果证明该方法是有效的。
To modeling the nonlinear part, nonlinear PWM process is linearized by equivalent-area method, so linear models of whole system in every condition are built.
对非线性环节，应用等效面积方法把本质非线性的PWM过程线性化，从而给出不同工况下系统的线性模型。
The paper introduces the design method of adjustable DC reference based on PWM and time-division, it gives hardware and software design.
介绍了利用脉冲调宽时分割技术设计的可调直流基准源的原理和方法，并给出了硬件电路和程序设计。
The fashionable method of pulsewidth modulation (PWM) is applied.
在调制方法上采用流行的脉宽调制（PWM）。
This method is suitable for a non-PWM inverter system.
本方法也适用于不调宽逆变器系统的计算。
This paper brings forward a method of threshold processing PWM signals duty cycle by employing monostable multivibrator.
提出了采用单稳态触发器对采集的PW M波形进行占空比门限处理的方法。
Finally, discuss the PWM inverter mathematic model and obtain the conclusion that PWM rectifier analytic method can be used in PWM inverter.
最后讨论了PWM逆变器的数学模型，得出可以用分析三相pwm整流器的方法来分析PWM逆变器的结论。
The method of using a PWM control circuit is simple, reliable, has a good system operating results.
用该方法构成的PWM控制电路结构简单，性能可靠，具有良好的系统运行效果。
This paper analyzed the Neutral Point Excursion method(NPEM)of PWM control with Cascaded Multi-cell Multi-Level Inverter.
本文介绍了级联多单元高压变频器使用中点漂移法解决单元故障时提高输出电压的方法。
A new method is introduced for modeling PWM DC-DC converter with multi-switches and transformers, which operate in continuous conduction mode, including parasitic components.
介绍一种带变压隔离器、含多个功率开关器件的PWM变换器工作在连续状态的建模方法。
This dissertation researched on carrier disposition and space vector PWM control method of three-level NPC inverter.
本文重点对载波层叠和空间矢量PWM控制方法进行了研究。
Carry on overall research to various kinds of production method of PWM in the paper.
文中对各种PWM的产生方法进行了全面研究。
This method is available to increase the PWM inverter 's output accuracy.
该控制方法能有效地提高PWM逆变器的输出精度。
A new PWM control method for GTR current source rectifier is presented. The mathematical formulae that output voltage of the rectifier and inductance of the DC filter are derived.
提出了一种新的适合于GTR电流型变频器整流器部分的PWM控制方法，推导出了在准圆轨迹PWM控制规律下，整流器输出电压的计算公式和平波电抗器电感量计算的实用公式。
In this paper, a pneumatic actuator position servo system is described, which controlled by a five-point switch PWM control method using high-speed switching valves.
本文使用一种五点开关pwm控制算法对高速开关阀控气动执行器进行位置伺服控制。
In this paper, a pneumatic actuator position servo system is described, which controlled by a five-point switch PWM control method using high-speed switching valves.
本文使用一种五点开关pwm控制算法对高速开关阀控气动执行器进行位置伺服控制。
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