提出了离散占空比控制技术的改进方案。
An improved discrete duty ratio control technology is presented.
本文提出了一种使用PI控制器的占空比控制技术。
In this paper, a new duty ratio control technology using PI controller is presented.
文中将合成电压矢量的思想引入到占空比控制技术中。
In this paper, the concept of synthesized voltage vector is introduced into duty ratio control technique.
文中提出了一种新的基于占空比控制技术的异步电机直接转矩控制方案。
A new direct torque control (DTC) strategy based on duty ratio control technique of induction motor drives is presented.
采用离散占空比控制技术的直接转矩控制能够在减小输出转矩脉动的同时保持算法简单的特性。
Applying discrete duty ratio control technology into direct torque control can reduce the ripple, and keep the feature of simplicity.
然后通过对几种典型电路网络的特性分析，提出了利用开关变换网络结合占空比控制设计以解决燃料电池与负载的匹配问题的思想。
After analysis of the characteristics of some typical circuit networks, the method of using switching mode network integrated with duty cycle control to solve the matching problem is proposed.
对影响放电电压大小及频率的电源参数进行了讨论，如供电电压、控制信号占空比、振荡电路的R和C等。
Some parameters affecting the frequency and magnitude of power supply, such as supply voltage, duty of control sigal. the R and C of oscillation circuit are discussed.
讨论了一些影响放电电压大小及频率的电源参数，如供电电压、控制信号占空比、振荡电路的电阻和电容等。
Some factors affecting the frequency and magnitude of power supply, such as supply voltage, duty of control signal, the resistance and capacitance of oscillation circuit are discussed.
并且可以通过简单地改变标准单元之间的散热片的厚度，从而改变激光器列阵的散热能力，控制不同的占空比因子。
Additionally, by simply changing the thickness of radiator between the standard array units can change the radiating capacity of the LDs array, and control the factors of different duty ratios.
但如果设计反激有源箝位电路工作在电流连续模式，控制占空比，使输入电流跟随输入电压，可以提高输入功率因数。
However if the active clamp flyback converter is designed to operate in CCM, and the duty cycle is controlled to make the input current track input voltage, the input power factor can be improved.
单片机对焊接电流、电弧电压、电流给定、脉冲周期、占空比、基值电流、收弧电流衰减时间、前气和后气时间等焊接参数进行采样、计算和控制。
The welding current, arc voltage, preset current, the period and ratio of pulse, base current, down slope time, gas pre and post flow time are sampled, calculated and controlled by microprocessor.
利用电压空间矢量脉宽调制(SVPWM)信号变换控制功率变换器各开关器件的导通占空比，实现异步电动机的速度调节。
Using space vector pulse-width modulation (SVPWM) signal transformation method, speed regulation of induction motor is implemented by controlling the duty ratio of every converter switch.
另外，根据实际需要，掺水燃烧的起停可以通过手动按键来控制，工况信号以及PWM输出占空比通过LED数字显示。
In addition, start and stop of emulsifying combustion can be controlled by a manual button, and the working condition signal and PWM duty ratio can be displayed by digital led.
在不同的光伏电池运行点采用不同的跟踪方法，通过直接控制直流斩波器开关占空比以达到快速准确的功率跟踪效果。
Different tracking approaches are applied at different operating points and the duty cycle of DC chopper is directly controlled to achieve the optimum control results.
介绍了一种用于柴油机共轨系统的新型泵控制阀，进行了共轨压力控制的试验研究，分析了电磁铁占空比对泵控制阀特性的影响。
The experiment of common rail pressure control was carried out and the influence of duty cycle on flow control valve performance was analyzed.
通过根据可移动板的振动对占空比的反馈控制，可控制可移动板以在适当的相位和适当的振动角振动。
By the feed-back control of the duty ratio according to the oscillations of the movable plate, the movable plate can be controlled to oscillate in the proper phase and at the proper oscillation Angle.
与基本ZVS三电平变换器相比，该变换器具有辅助网络简单、实现零电压范围宽、副边无电压过冲和占空比丢失以及控制方式灵活等优点。
It has many remarkable advantages such as simple auxiliary circuit, realizing ZVS in the wide load range, no voltage spike and surge of the transformer secondary side and easy to be controlled.
已获专利的仿电流模式结构在不能由传统电流模式控制进行编址的低占空比应用下，提供了出色的负载瞬态响应。
The patented emulated-current-mode architecture provides superior load transient response in low duty cycle applications that are not addressable by traditional current mode control.
在该加速期间结束时，以占空比与速度指令数据对应的PW M脉冲来控制开关机构，从而驱动该直流马达。
When the acceleration period has terminated, the switch means is controlled by a PWM pulse of the duty ratio in accordance with the speed instruction data, there by driving the DC motor.
通过台架试验，得到了电磁阀控制占空比与换挡力的关系。
The relation between the duty cycles of solenoid force is established by bench test.
同时，着重分析了峰值电流控制模式下，由于电流扰动和占空比扰动导致系统在占空比大于50%情况下而出现次谐波振荡原因。
And then, we mainly discuss the peak current controlling mode and the sub-harmonic oscillation when the duty cycle exceeds 50%.
该系统使用PC机作为控制平台，采用自整定PID算法，调节输出pwm波的占空比来控制半导体制冷器的输出功率。
The system is made up of semiconductor cooler (TEC, thermal electrical cooler) which is controlled by a PC with PID arithmetic. And use the duty ratio of PWM to control the output power of TEC.
给出了采用扰动观察法通过控制Boost电路占空比实现光伏电池最大功率跟踪的算法并仿真验证。
Given algorithm and simulation using perturbation and observation method to achieve maximum power point tracking of photovoltaic cells by controlling the duty cycle of Boost Circuit.
因此，通过使用加热辊的温度变化斜率的相位控制来改变功率的占空比，可执行对定影系统的精细控制。
Accordingly, by varying a duty ratio of power through a phase control using a temperature variation slope of a heating roller, a fine control of a fixing system can be performed.
文中通过对再生制动过程的分析，提出了通过控制占空比的办法来抑制泵升电压。
Based on the analysis of the process of regenerative braking, this paper put forward a new method to restrain the pumping voltage by changing PWM ratio.
控制部分主要对发送器发出的脉冲链频率、占空比及稀疏调制和计数及探测距离等进行控制。
Control part of the main chain of the transmitter sends out pulses of frequency, duty cycle and sparse modulation and counting and detection distance control.
控制部分主要对发送器发出的脉冲链频率、占空比及稀疏调制和计数及探测距离等进行控制。
Control part of the main chain of the transmitter sends out pulses of frequency, duty cycle and sparse modulation and counting and detection distance control.
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