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。
The motor speed driving system USES DSP as controller and USES high-frequency delay-loop current comparator composed of integrated circuit.
设计了以DSP为控制器、集成电路构成高速滞环电流比较器的电机调速系统。
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。
Sometimes, you can get by with a simple verification point, but sometimes you need conditionals, and sometimes you need to add a delay or a loop.
有时，您需要一个简单的验证点，但是有时您需要条件语句，还有时您需要添加一个延迟或者循环。
For example, a compiler may choose to optimize a loop index variable by storing it in a register, or the cache may delay flushing a new value of a variable to main memory until a more opportune time.
例如，编译器为了优化一个循环索引变量，可能会选择把它存储到一个寄存器中，或者缓存会延迟到一个更适合的时间，才把一个新的变量值存入主存。
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。
Aiming at the difficulties in analyzing and designing this kind of asynchronous systems, we investigate the continuity property of its' close loop performance on the time delay of sampler and hold.
针对这类非周期异步多速率系统分析、设计困难这一问题，研究了其闭环系统性能关于采样器、保持器时间延迟的连续性问题。
In this paper we introduce the developmental phase and experimental equipments of long time delay phase-locked loop and also give the field test results via the satellite "Symphonic".
本文叙述了长延时锁相环的研制情况和实验设备，同时也给出了通过“交响乐”卫星的现场试验结果。
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。
To this end the current multipath estimation delay locked loop(MEDLL) was investigated and improvements were proposed based on the zero-point fixed principle.
为了消除扩频系统中的多径干扰，文章基于稳态零点不变的原则对多径估计延迟锁相环（MEDLL）进行研究及改进。
During the design of delay - locked loop, the frame of the whole circuit is introduced and then the principles and implementation of the basic modules are presented.
在数字延迟锁相环设计中，先整体讲述电路的整体构架的设计，然后详细阐述了基本模块的实现方法与原理。
In this paper, a low-jitter process-independent DLL(delay locked loop) based on self-biased techniques is presented.
本文给出了一种采用自偏置技术的低抖动延迟锁相环，可应用于高频时钟产生电路。
The open-loop transfer function of an industrial process is often described as a first-order process with time delay.
典型的工业过程的传递函数通常采用一阶惯性环节加纯延迟作为其数学模型。
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。
The effects of the square wave cycle, phase, duty cycle and the fiber coil group delay and amplifier gain bandwidth on the bias error of closed-loop FOG were analyzed by simulating and testing.
通过仿真和测试分析了调制方波的周期、相位、占空比、光纤环的群延时以及放大电路的增益带宽对陀螺输出偏置的影响。
Theoretical and numerical results show that the new scheme has an improved performance and remarkable complexity simplicity as compared with the classical digital delay-locked loop.
理论分析和数值结果表明，该方案较传统的延迟锁定跟踪方案明显降低了实现复杂度，而且性能有所提高。
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 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。
In this paper, the effects of a follower jamming on the performance of a delay-lock code tracking loop in a frequency hopping system are analysed.
本文分析了跟踪干扰对跳频系统中码跟踪环性能的影响。
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。
It only needs routine closed-loop operating data and knowledge of the process time delay using minimum variance as a benchmark in controller performance assessment.
用最小方差准则来评价控制器的性能，仅需过程变量的常规闭环操作数据和过程的时间延迟特性。
Then the fuzzy controller based on the improved fuzzy table-rotating optimization is designed and applied to the open-loop systems with pure time delay.
然后将基于改进后的模糊规则建立的模糊控制器应用到纯时间滞后系统的控制中。
Using this state predictive observer, the time-delay term of closed-loop systems can be transferred to the outside of the system's closed-loop structure.
通过该状态预测观测器可将闭环系统的时滞项移至系统闭环结构之外，从而使其优化控制规律完全可按无时滞系统进行设计。
However, the change of communication architecture from point-to-point to this common-bus approach introduces different forms of time-delay uncertainty in the closed-loop system dynamics.
然而，从点对点到使用公用的通信总线，这种通信方式的改变在控制系统中引入了不同形式的时延。
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。
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。
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。
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