The spacecraft's attitude control system was divided into the outer loop that was angle loop and the inner loop that was angle velocity loop based on their time scales. 基于奇异摄动思想,将飞行器姿态控制系统分为慢变化的姿态角回路和快变化的角速度回路分别设计。
IP controller is designed in velocity loop, which is to meet the fast tracking and resist disturbance greatly. 同时,针对速度环设计了积分-比例(IP)控制器,以满足系统快速跟踪指令的要求,并且其具有较强的抗扰动能力。
The article also studied the tracking quality in which the system has used the motor encoder and the velocity gyro as the velocity loop feedback respectively. 研究了分别以电机编码器和速率陀螺输出信号作为速度环反馈时,系统输出的跟踪特性。
This system contains inside three loops as voltage loop, current loop and velocity loop, the outside loop is tension one. 该系统含有电压、电流和速度三个内环,最外环为张力环;
An adaptive controller is designed for system velocity loop. Parameters 'optimizing on-line method is used for eliminating non-linearity, uncertain disturbance and model predigesting factors that affect system. 基于自适应控制原理设计了系统的速度环路,以控制器参数在线调整方式应对非线性、不确定性和模型简化对系统的影响。
Firstly according to traditional control theory and design method, the current loop, velocity loop and position loop of AC servo system of machining robot was designed and realized from inside loop to outside loop in this paper. 本论文首先根据传统的控制理论和设计方法,对切削加工机器人的交流伺服系统从内环到外环依次对系统的电流环、速度环和位置环进行了设计和分析。
Then the design strategy of the bandwidths of the velocity loop and the position loop are discussed. 从抑制噪声的角度综合给出了速度回路和位置回路带宽的设计策略。
This paper has designed a robust adaptive position servo system with wide bandwidth and high accuracy. Two orders model reference adaptive control ( MRAC) is used in position loop, and one order MRAC in velocity loop. 设计一宽带高精度鲁棒自适应位置跟踪系统,位置环采用二阶模型参考自适应控制(MRAC),速度环采用一阶MRAC。
The system can achieve motor commutate and adjustment of velocity loop inside DSP, which improves the precision and reliability of the servo system. angle. 该系统能够在DSP内部完成电机换向,速度环调整,实现了全数字化舷角驱动,提高了伺服的精度和可靠性。
Finally, signal waves of every part of the system were tested and adjustment of the position loop and velocity loop control parameters were finished. 最后,测试了系统中各部分电路的信号波形,完成了速度回路和位置回路控制参数的整定。
In a tracking and control system, the tracking accuracy of the control system mainly depends on the features of the object in the velocity loop. 在跟踪控制系统中,速度回路控制对象的特性对控制系统的跟踪精度有很大的影响。
The parameters of the current loop, velocity loop and position loop were determined. 确定了电流环、速度环和位置环的参数。
The model reference fuzzy adaptive approach is present in velocity loop, and hysteresis loop control in current loop. 速度环采用模型参考自适应的模糊控制方法,电流环是滞环控制。
Analyzing deeply on the frequency coupling of the position tracking loop and the velocity stabilization loop, the corresponding de-coupling method and the ideal model of the position loop and the velocity loop above were presented. 针对伺服系统的位置跟踪环和速度稳定环在频域存在的耦合现象,深入分析了产生频域耦合的原因和相应的解耦设计方法,提出了此类系统位置跟踪环和速度稳定环的理想设计模型。
The simulation and experiment results show that the control object character is effectively improved and the low-frequency gain of the velocity loop is raised by the current loop. The tracking accuracy of the position loop in the control system is enhanced by about 10 times. 仿真和实验表明,电流环有效地改善了速度回路控制对象的特性,提高了速度回路的低频增益,控制系统位置回路的跟踪精度约有10倍的提高。
In the third chapter, according to the model I and II systems, the design of the current loop 、 velocity loop and positional loop is given and the parameters of their PID control are presented. 文章第三章以工程上的Ⅰ型系统Ⅱ型系统的设计为准则,对YNST驱动控制系统中的电流环、速度环和位置环进行PID调节器的设计和数学仿真。
A software method is designed, the software of this system includes main program, interrupt service program of velocity loop, interrupt service program of position loop and CPLD decoding program, the code and program flow chart of this software system are given. 进行了稳定平台系统控制软件设计,该系统软件包括主程序、速率环中断服务程序、位置环中断服务程序和CPLD译码程序,给出了程序流程图并编写了代码。
Especially the appearance of Digital Signal Processing ( DSP) and Programmable Logic Device ( FPGA/ CPLD), servo-control system is really realized fully digital control of velocity loop, current loop and position loop. 特别是专用数字信号处理器DSP和可编程逻辑器件(FPGA/CPLD)的出现,伺服控制系统真正实现了速度环、位置环和电流环的全数字化控制。
PID control technology is used to design the current loop, velocity loop and position loop and establish the control block diagram of the system. 采用PID控制技术,设计了电流环、速度环和位置环,建立系统的控制方框图。
Robust feedback controller consists of the following elements: a disturbance observer in the velocity loop, a velocity P controller ( PI controller), a PD feedback controller and a repetitive controller in the position loop. 鲁棒反馈控制器结构包括:速度回路中的扰动观测器、速度P控制器(或PI控制器)、位置回路中的PD位置控制器与重复控制器。
Based on the system model, three-loop control strategy with position loop, velocity loop and current loop is adopted. 基于系统模型,确定采用电流环、速度环和位置环结合的三环控制策略,并针对每一个环路的不同特点,采取合适的控制算法。
Based on the original aim with the hardware of control system control equipment of input and output analysis, using the principle of the automatic control system, the mathematical model, the position loop, current loop velocity loop, the mathematical model of the armature. 本文通过对原瞄准随动控制系统硬件控制设备的输入输出特性分析,利用连续系统的自动控制原理,通过数学推导,得出了位置环、速度环、电枢电流环的数学模型。
And finally, this paper analyzes the motion control process of linear motors and completes the simulation of velocity loop and position loop. Moreover, we set up some interference to verify the performance of this visual platform. 最后,本文分析了直线电机的运动控制过程,并分别采用速度环和位置环对输出情况进行了仿真。
To improve the system servo bandwidth, this paper uses three-ring control for the current loop, velocity loop stability, position loop, current loop driven by the hardware circuit in curing. 为提高系统伺服带宽,本论文采用三环控制,为电流环、速度稳定环、位置环,电流环由硬件固化在驱动电路中。
Robot joint servo system is a dual closed loop structure with position loop and velocity loop. Each DC motor of each joint is driven by PWM rectifier. 机械臂关节伺服系统采用位置环和速率环相结合的双闭环结构,各关节直流电机采用PWM调速方式进行驱动。
Then it introduced the PID parameter adjustment in the velocity loop and position loop, the current loop parameters, the direction parameters. The paper then gave a detailed description on a few of more complex steps, accompanied by myself solution practice. 接着介绍电流环参数的确定、方向环参数的确定、速度环和位置环PID参数的调整,并对其中几个比较复杂的步骤进行了详细的说明,附上了自己实践过程中的解决方法。
Then the full closed loop control way of the feeding shaft is chose according to the transmit principle of the feeding system. And also the PID controller of the current loop velocity loop and position loop in AC servo control system are both designed. 然后根据进给系统的传动原理提出进给轴的全闭环控制方式,并设计交流伺服控制系统中电流环、速度环和位置环的PID控制器。
The paper also shows some key source routine carefully. The main algorithm-completely-digital triple-loop Control, composed by current loop, velocity loop and position loop is adopted. 同时对若干关键的源程序代码进行了详细的分析。在具体算法设计方面,论文提出了由电流环、速度环和位置环所组成的全数字三闭环控制算法。
Position, velocity loop regulator uses two PID control algorithm to achieve, the speed ring is designed based on vector control. 位置,速度环两个调节器采用PID控制算法实现,速度环是基于矢量控制而设计的。
The decoupling theory of servo control system is researched, then the current loop and velocity loop of control system are established and velocity controller is designed. It is that the precision of decoupling is improved by changing control parameters. 研究伺服控制系统的去耦精度理论,建立了伺服机构电流回路和速度回路的控制模型,并对速度控制器进行设计,通过改变控制器参数提高了伺服系统的去耦精度。