We present a novel current-following SPWM inverter with delay-loop control.
研究了一种滞环控制的电流跟踪型SPWM逆变器。
But it is hard to realize the dual-loop instantaneous control with digital scheme, because there is delay time of sampling and computing and lack of real-time regulation for digital control.
数字控制器存在采样与计算延时，实时控制性差，采用数字控制器实现双闭环瞬时值控制比较困难。
By predicting the noise in the loop the delay of noise signal in digital feedback loop is compensated effectively, thus the control capability of the system on disturbance is enhanced.
通过在回路中对噪声进行预测，有效地补偿了数字反馈回路造成的噪声信号的延迟，从而改善了系统的扰动控制性能。
Based on digital delay-locked loop, the mix signal technique is used to implement the digital delay locked loop with the resource control technique.
以数字延迟锁相环为基础，并采用数模混合技术，实现了带电源控制的数字延迟锁相环。
In the multiple-loop control strategy for sinusoidal inverters based on load current feedforward, delay of the feedforward directly impacts the system's performance.
在基于负载电流前馈解耦的正弦波逆变器多环控制策略中，负载电流前馈作用的延迟直接影响着系统的性能。
But at the same time, the network introduced to the control loop will induce some problems that can not be avoided, of which, the most important is the time-delay and packet lost.
但同时将网络引入控制环路，也产生了一些不可避免的问题，其中最主要的问题就是网络产生的延时和数据包丢失。
Data acquisition card collects data about the power output to realize a close-loop control, and protection signal of the two controllers to compute the delay time.
数据采集卡采集程控电源的输出以实现对程控电源的闭环控制，采集发电机控制器和汇流条功率控制器的保护信号以计算延时时间。
Because the delayed effects exist in any closed - loop control system, it is more important and significant to study the stability of the control system with delay.
由于任何闭环控制系统都存在滞后效应，所以研究滞后型控制系统的绝对稳定性意义尤为重要。
Open-loop unstable system with time delay is difficult to control using routine control methods.
开环不稳定时滞系统是工业现场中常见的一类被控过程，这类系统控制难度高，控制精度难以保证。
Simulation result shows that the forecast model of the latter arithmetic has good precision, and it can overcome the problem brought by the non-linear delay in the engine control loop.
通过初步仿真验证，第二种控制方案具有较高的模型预测精度，可以解决发动机控制回路中延迟环节带来的控制困难。
According to wave analysis and theoretical calculation of PWM inverter with delay-loop current tracing, this paper proposes a frequency control system with current tracing SPWM.
通过对滞环电流跟踪型pwm逆变器的波形分析和理论计算，提出一种固定开关频率型电流跟踪SPWM变频调速系统。
Tin thickness closed-loop control for tinning line, a kind of typical non-linear complex system with large time delay, is discussed.
武钢冷轧厂电镀锡线锡层厚度无模型自适应（FMA）控制系统是专门为了解决大滞后时变的非线性复杂系统控制难题而研制设计的。
Tin thickness closed-loop control for tinning line, a kind of typical non-linear complex system with large time delay, is discussed.
武钢冷轧厂电镀锡线锡层厚度无模型自适应（FMA）控制系统是专门为了解决大滞后时变的非线性复杂系统控制难题而研制设计的。
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