An Algorithm for the Output of Sampling Control System 采样控制系统输出量的计算方法
Through the simulation of the output response of the sine acceleration input using Matlab/ Simulink we see that the output follows the input approximately and the output signal is nearly a continuous signal because sampling frequency is very high. 另外,对系统在正弦加速度输入下的输出进行Matldb/Simulink仿真,得出系统的输出基本跟随了输入,由于抽样频率很高,输出信号近似为连续信号。
This essay mainly analyze and design the controlling circuit, including output sampling circuit, close loop feedback circuit and driving circuit. 主要对控制电路进行了分析与设计,其中包括输出采样电路、闭环反馈电路以及驱动电路;
The current state in a control period is described at first. The new output variable is acquired by sampling in the intermediate instant of the switching period, and then the observer error is corrected by it. 该方法首先分析了一个开关周期内的电流变化情况,然后通过在一个开关周期的中间时刻采样获得新输出变量来校正观测误差,据此得到观测器从而预测下一开关周期电流值。
Sliding mode control using fast output sampling feedback for networked control systems 基于快速输出采样反馈的网络控制系统滑模控制
Smooth Curve Output for Dynamic Process Sampling Data Base on Cubic Polynomial Interpolation 基于三次样条插值的采样数据光滑曲线形成法
In this paper, based on the output signal type of sampling control system, four basic establishments and two formulas for solving the sample output were given. 本文根据采样控制系统输出信号的类型,作了四个基本规定,建立了求取采样输出量的二个公式。
In terms of the mode, parameters of sliding mode plane are provided by pole assignment, and a new sliding mode control law using fast output sampling feedback is presented. 在此基础上,用极点配置法给出了滑模切换面参数,设计了输出反馈离散滑模控制器。
Chattering-Free Discrete-Time Sliding-Mode Control Using Fast Output Sampling Feedback 基于快速输出采样反馈技术的无抖振离散滑模控制
Ln addition, the data stability of VFC running in the high full scale output frequence and high sampling frequency conditions are analysed and some useful conclusions are obtained. 此外,分析了VFC型模数转换在高输出频率、高采样率情况下数据的稳定性,并得出了有益的结论。
The multi-rate digital filter is a digital system in which the output sampling rate differs from the input sampling and/ or interval processing rate. 多采样率数字滤波器是输出采样率与输入采样率或内部处理采样率不同的一种数字系统。
Estimate-Based Recursive Least Square Algorithm for Linear System Parameter Identification on Output Discontinuous Sampling Condition 基于估计参数辨识递推算法用于输出间断采样条件下的线性系统参数辨识
The sampling rate of the bandpass signal is exactly twice that of the in-phase and quadrature components obtained at the output. The sampling frequency determination and the lowpass anti-aliasing filter design are Straightforward. 带通信号实际采样率仅为输出端所获同相分量和正交分量采样率的两倍,可以直接确定采样频率和设计低通抗混叠滤波器。
This paper presents a chattering-free sliding mode control of discrete-time systems using the fast output sampling ( FOS) feedback technique. 针对一类单输入单输出的离散时间系统,提出了一种基于快速输出采样反馈技术(FOS)的无抖振滑模控制器。
Apply DSP-based direct digital signal ( DDS) synthesizing technology, synthesize a standard signal source that carries synchronized pulse measured in second with GPS. The PUM calibration device is a combination of power magnification, output loop, sampling, digital PID and computer-on-module. 采用基于DSP的直接数字频率(DDS)合成技术,合成与GPS秒脉冲同步的标准信号源,将功率放大、输出回路、采样、数字PID和嵌入式计算机一起组成了PUM的检定装置。
The hardware design divides into micro part and so on controller, motor-driven, speed sampling, system power source, software design including system initialization, PWM output, PID operation, and speed sampling and so on. 硬件设计分为微控制器、电机驱动、速度采样、系统电源等部分;软件设计包括系统初始化、PWM输出、PID运算、及速度采样等。
Complexion of frequency spectrum distributing is elicited by changing magnitude of three parameters, including modulation depth, ratio of signal to carrier frequency and sampling frequency, and an added direct current to output waveform of digital natural sampling is testified. 通过改变调制度、载波比和采样频率3个参数的大小,得出数字化自然采样法的频谱分布情况,并验证了数字化自然采样法输出波形中附加的一个直流分量。
The hardware mainly consists of current controller of MR damper, PWM output and driver, signals sampling circuit and so on. 硬件电路包括磁流变阻尼器的电流控制器,PWM电路的输出和驱动,数据采集电路。
The equation of multirate output sampling was derived in detail for output multirate sampling control systems, and the entire design process of the multirate output feedback controller was described. 针对输出多采样率控制系统,推导了多采样率下的输出采样方程,并介绍了多速率输出反馈控制器的设计过程。
Control system hardware design is the key to the entire design, this section contains the main control IC, the control signal drive circuit and the output voltage sampling circuit. 控制系统的硬件设计是整个设计的关键,这部分包含了主控制IC,控制信号驱动电路以及输出电压采样电路等。
The on-line monitoring system for moisture in transformer oil is developed. Through the conversion of the output of sensor, data sampling of moisture and temperature signals are realized with the computer serial ports. 设计了变压器油中微水含量在线监测系统;通过对传感器输出信号的转换,实现了温湿度信号利用计算机串口的数据采集;并对湿度传感器在变压器油环境中的特性进行了研究。
The system determined the length of output waveform and data sampling frequency, referring to different testing bandwidth and precision, then completed the automatic sweep test. 系统对于不同的测量带宽与精度等要求,确定发射信号的长度和数据采样频率,完成自动扫频测量。
However, there are some limitations in the controlling of the model, so an improved control program of LCL-type parallel APF, the output voltage sampling model which compensates sample current is presented. 该控制方案在建立电流型采样模型时存在一定局限性,为此针对上述LCL型并联APF波形库控制方案,提出了采样输出电压构建采样模型控制补偿电流的改进方案。
CCD image sensor output signal is the discrete spatial sampling analog signals, which mixed with a variety of noise and interference. CCD图像传感器的输出信号是空间采样的离散模拟信号,其中夹杂着各种噪声和干扰。
This paper analysis of the commonly used control algorithms for the cascade inverter with high-voltage, made a comparative analysis of the output voltage waveform for the three sampling method, take an analysis of carrier phase shifting SPWM technology. 本论文比较分析了级联型高压变频器常用调制算法,对载波错位移相SPWM技术做了数学分析与仿真,对目前常用的三种采样法所得电压波形作了比对分析。
The traditional sampled-data systems are with equal input updating period and output sampling period, the operation frequency of which are same and synchronous, such systems with single operation frequency are called single-rate systems. 传统采样数据系统的输入刷新周期与输出采样周期相等,操作频率相同而且同步,这种只有单一操作频率的系统称为单率系统。
DSP has been used to achieve pulse modulation output and signal sampling. 用DSP实现脉冲调制输出和信号采样。
However, in the chemical processes, many variables that indicate the product quality can not be online measured, which results in slower output sampling frequency than input updating frequency. Such systems with two or more operating frequencies are called multirate systems. 然而,在化工过程中,某些指示化工产品质量的数据不能直接在线测量,导致输出采样频率比系统的输入刷新频率慢,这种具有两种及两种以上操作频率的系统称为多率系统。
However, these traditional algorithms 'beam occurred distortion, and the output SINR reduced in low sampling number, which is need for a large number of snapshots to obtain a good space filter effects. 传统的波束形成算法在低快拍数下波束会发生畸变,输出信干噪比降低,需要有高的快拍数才能获取好的空间滤波效果。