It is shown that the gate-pulse mode reduces the dead time and improves the count rate.
测试结果表明,有源门控模式可以有效缩短死时间并提高计数率。
The paper analyzes the dead time effects of the PWM voltage sourse inverter.
详细分析了PWM逆变器的死区效应和常用的补偿死区的方法。
This causes well known dead time effect which distorts the output voltage and current.
这将导致电压和电流的畸变,也就是所谓的死区效应。
A modified dead time compensation method was used to obtain better output voltage waveforms.
采用了改进的死区效应补偿方法以获得理想的输出波形。
This is called the dead time, or the time within which a second pulse of light is not detected.
这段时间叫做死时间或不能测量第二个光脉冲的时间。
The influence of dead time of power device IGBT on inverter's output current and output voltage is discussed.
分析了变频器主功率器件IGBT的死区时间对其输出电压、输出电流的影响。
But in practical measurement, it is very difficult to make no dead time sample due to the counter's dead time.
但实际测量时由于计数器的死区时间,使得无间隙采样十分困难。
Based on model reference adaptive control method, a kind of object reference adaptive dead time compensator is presented.
基于模型参考自适应控制原理,提出对象参考参数自适应时滞补偿器。
Unreasonable selection of dead time can make inverting components to produce higher inrush voltage and current and even damaged.
死区时间选择的不合理会使逆变器件产生过高的浪涌电压和电流甚至损坏。
In this paper, a new method is proposed to compensate dead time using phase Angle prediction, and current sensor can be omitted.
提出一种用相位角预测的方法实现逆变器和变流器死区时间的补偿,从而可省去电流传感器。
Because dead time is compensated at the same time, the output waveform is improved, and output torque is strengthened in low frequency.
进行了死区补偿,使逆变器在低频输出时波形明显改善,提高了系统在低频时的转矩输出。
The principle of this method is introduced in detail, and a kind of circuit of generating dead time and its timing simulation are given.
详细叙述了该方法的基本原理,并以其中的一个死区时间产生电路为例,介绍了电路的设计要点及时序分析。
In the realization of the inverter control circuit, the frequency self-following system with optimal dead time based on DSP is researched.
在逆变控制电路的实现中,研究了基于DSP的具有最佳死区的频率跟随控制系统。
Different closed loop poles are selected according to the damping ratio and dead time, and simple formulas are provided for the calculation.
按照阻尼比和模型的延迟时间选择不同的闭环极点,并且为计算提供了简单的公式。
Aimed at the influence on the inverter output voltage caused by the PWM inverter dead-time, one dead time compensation strategy is proposed.
针对PW M电压型变频器死区时间对输出电压的影响,提出了一种死区时间补偿方案。
A recursive gradient controlling law for adaptive intelligent switch controller of inertial and large dead time system is given in this paper.
对大惯性及纯滞后系统的自适应智能开关控制器给出了一种递推梯度形式的控制规律。
Proper selection of the switching dead time of the lagging arm is necessary for ensuring the ZVS operation of the phase shifting FB ZVS DC DC converter.
死区时间的合理选择是保证移相定频控制的全桥零电压开关DCDC变换器零电压开关状态的必要条件。
A problem, which causes the biggish detector dead time during the biggish power experiments, is discussed. A method used for dead time correction is found.
对于在放射性核素测量中可能遇到的较强源带来的较大探测器死时间问题进行了研究,找到了进行死时间修正的方法。
For the situation with dead time and constraints, a control strategy of increment model algorithm was developed using goal programming as optimal strategy.
针对纯时延和有约束的情况,应用目标规划作为优化策略,提出了一种增量型模型算法控制策略。
This paper analyzed the influence of the dead-time effect acting on the output voltage of SVPWM inverter, and proposed a solution to dead time compensation.
本文在分析死区效应对空间电压矢量调制输出电压影响的基础上,给出了一种对死区效应进行补偿的方案。
The dead time control in SPWM converter increases the harmonic component in voltage output and decreases the voltage utilization and reliability of converters.
SPWM变换器中的死区设置使变换器输出电压谐波含量增加、电压利用率和可靠性降低。
The calculation method of some important parameters, such as the heat transfer coefficient, dead time and so on of the closed steam tube rotary dryers was proposed.
提出了密闭型蒸气管回转干燥机传热系数及停留时间等主要工艺参数的计算方法。
A kind of object reference parameter adaptive dead time compensator is presented. A group of models are Used to simulate the uncertain process with large dead time.
本文提出了参考对象的参数自适应时滞补偿器,该补偿器用一族模型拟合大时滞不确定过程。
By analyzing the basic influence of the "dead time effect" acting on the output voltage of SVPWM inverter, the concept of the dead time voltage vector is put forward.
在分析死区效应对空间电压矢量调制输出电压影响的基础上,提出死区电压矢量的概念,给出死区电压矢量的求取方法。
The uncertain object with dead time is taken as a reference model and a kind of adaptive rule is proposed to make parameters of the compensator to approach the object's.
以线性大时滞不确定被控对象为参考模型综合出自适应律,使预估补偿器的参数逐步逼近被控对象的参数直至相等。
A basic control method for direct torque control system is introduced, the theory gist of this method is proved. A new method of dead time compensation is also put forward.
介绍了一种直接转矩控制系统的基本控制方法,推导了这种控制方法的理论依据,同时提出了死区补偿的新方法。
A new method tuning the PID parameters is presented by the normalized dead time of process. The tuning formulae are obtained from the curve fitting in the least-squares sense.
提出了一种利用标准化死区时间整定PID参数的新方法,并利用曲线拟合最小二乘法求得控制器的整定公式。
The turn-on and turn-off of power devices under zero voltage are realized with addition of dead time. The power supply for GTO gate driver is developed by use of the converter.
通过设置死区时间实现开关功率器件的零电压开通与关断,利用该变换器研制出GTO门极驱动用电源。
This paper introduces an approach of designing the adjustable dead time of the complement SPWM signal source using general devices to assure the safe operation of the inverter.
文中介绍了采用普通元器件,为互补SPWM信号设定可调的死区时间,确保逆变器安全工作。
This paper introduces an approach of designing the adjustable dead time of the complement SPWM signal source using general devices to assure the safe operation of the inverter.
文中介绍了采用普通元器件,为互补SPWM信号设定可调的死区时间,确保逆变器安全工作。
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