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pwm调制模式
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  pwm mode
     Based on the hardware design , we propose that the control-flow analysis, and main loop flow, and the DSP implementation method of the rotation speeds closed loop of PI controller, PWM mode, optimal versus logistic commutation ect. which use the TMS320LF2407A.
     根据硬件设计,给出了控制流程和主循环流程,以及转速闭环PI控制、PWM调制模式、逻辑换相和最佳换相等关键性技术的DSP实现方法。
短句来源
     This paper provides a general mathematical model and simulation method of AC variable speed system driven by inverter, which can be used with any PWM mode and for induction motor or synchronous mo tor.
     提出了一种由逆变器驱动的交流调速系统的通用数学模型和仿真方法。 该方法不仅适用于异步电动机,也适用于同步电动机,并且适用于任意一种PWM调制模式
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  “pwm调制模式”译为未确定词的双语例句
     On PWM Modulating Pattern
     关于PWM调制模式
短句来源
     PWM converter has low efficiency with light loads and high amplitude harmonic.
     PWM调制模式的SPIC在低负载下效率较低,控制脉冲谐波干扰较大;
短句来源
     Then, the mathematics model and the Matlab simulation model of SLBLDCM system are established, and the waveforms of current、speed and torque are compared.
     建立了无位置传感器无刷直流电动机调速系统的数学模型和Matlab仿真模型,并分析比较了不同PWM调制模式下相电流、转速和转矩的变化曲线;
短句来源
     PWM converter has low efficiency with light loads and high amplitudeharmonic.
     PWM 调制模式的SPIC在低负载下效率较低,控制脉冲谐波峰值较大;
短句来源
     PWM converter has low efficiency at light loads and high amplitude harmonic.
     PWM调制模式的SPIC在轻载下效率较低,控制脉冲谐波峰值较大;
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  相似匹配句对
     On PWM Modulating Pattern
     关于PWM调制模式
短句来源
     Pulse skip modulation(PSM)is one kind of modulation modes in power converter, which is different from PWM, PFM.
     脉冲跨调制(PSM)是一种异于PWM、PFM的功率变换调制模式
短句来源
     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)。
短句来源
     Optimum modulation-mode switching for adaptive modulation
     自适应调制的最优调制模式转换
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     Study on PWM Modulation Mode of Brushless DC Motor
     无刷直流电机PWM调制方式研究
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  pwm mode
A single PCA0 module is used in the 8-bit PWM mode.
      
An efficiency of 92% is achieved in PWM mode with load current of 189 mA.
      
Control scheme for separate buck, buck-boost and boost region of operation in PWM mode.
      
In the first circuit, the MAX1669 is configured to drive the fan in PWM mode.
      
Low-noise forced-PWM mode caus es inductor current recirculation at light loads and suppresses pulse-skipping operation.
      
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  pulse width modulation mode
This paper present the numerical simulation of the pulse width modulation mode of a micropump.
      


ind of non-sine-wave pulse width modulation mould which fits to motor is given in this paper.The contorl waves are produced by the minimum system of8031 single chip computer. The new me compound switchingIGBT is adopted in the main.circuit. This system is suitableforvariable transmisson of of the grinding motor rolling at a high

本文研究适合于磨头电机的非正弦PWM调制模式,采用8031单片机构成最小系统生成控制波形,主电路采用新型复合开关器件IGBT作开关元件,适用于高速磨头中频变频调速装置.

This paper provides a general mathematical model and simulation method of AC variable speed system driven by inverter, which can be used with any PWM mode and for induction motor or synchronous mo tor. The steady and transient simulation results can be got only by inputting pulse signal logical variable val ues, the motor parameters, madulation mode and control strategy, particularly for the situation of losing pulse and switch pulse error. So, it can be used to develop a simulation software plat of AC variable...

This paper provides a general mathematical model and simulation method of AC variable speed system driven by inverter, which can be used with any PWM mode and for induction motor or synchronous mo tor. The steady and transient simulation results can be got only by inputting pulse signal logical variable val ues, the motor parameters, madulation mode and control strategy, particularly for the situation of losing pulse and switch pulse error. So, it can be used to develop a simulation software plat of AC variable speed sys tem. The simulation waveforms using this method are compatible very well with the measured waveforms.

提出了一种由逆变器驱动的交流调速系统的通用数学模型和仿真方法。该方法不仅适用于异步电动机,也适用于同步电动机,并且适用于任意一种PWM调制模式。采用该模型,只要按定义给出触发信号逻辑变量值,输入电机参数、调制规律以及控制方案即可得到电机稳态及暂态仿真结果,特别是对缺相等触发失误状态也可进行仿真。因此,可用此模型来开发研究交流变频调速系统仿真平台。采用本方法仿真得到的波形与实测波形基本吻合。

The advantages and the disadvantages of various PWM modes for the BLDC motor control system based on the TMS320F240 chip are compared in this paper. It is emphatically introduced a method which can exceed the power device's limitation frequency and make the system's PWM frequency doubled.

在以TMS32 0F2 40为核心的永磁无刷直流电机控制系统的基础上 ,比较了多种PWM调制模式的优缺点 ,着重介绍了一种突破功率器件开关频率极限 ,使系统PWM调制频率提高一倍的方法。

 
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