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Considering the vehicular SG cruise integrating model under braking condition influenced by some factors of nonlinearity, time-delay and the disturbance, a new nonlinear SMITH predictor is designed to compensate the time delays of control variable in advance. Furthermore, with the resort of pure delay operator, extension of the Lie derivative and the Lie bracket, some issues of SISO nonlinear system with time delays in state variable are resolved, which cover the input-output linearization, invertability of coordinate transformation and the disturbance decoupling problem.the staged transformation and design technique, the vehicle deceleration tracking control and the SG cruise disturbance decoupling control under braking condition are carried out effectively using proposed control method.
在建立制动工况下车辆走-停巡航系统集成模型基础上,针对其非线性、时滞特性以及目标车减速度干扰的影响,提出一种改进的非线性SMITH预估补偿方法,以消除控制变量时滞,并结合时滞算子、扩展李导数和扩展李括号方法,研究并解决了SISO状态变量时滞非线性系统的输入输出线性化、坐标变换的可逆性以及输出干扰解耦问题,实现了SISO时滞非线性系统的综合控制。
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An impulsive control scheme of the Lur'e system and several theorems on stability of impulsive control systems was presented, these theorems were then used to find the conditions under which the Lur'e system can be stabilized by using impulsive control with varying impulsive intervals. The parameters of Lur'e system and impulsive control law are given, a theory of impulsive synchronization of two Lur'e system is also presented.
提出了Lur'e系统的脉冲控制系统,利用关于脉冲系统稳定的几个定理,得到了具变化的脉冲区间的Lur'e系统镇定的充分条件;并且给出了Lur'e系统的适当参数与脉冲控制律,使得两个Lur'e系统脉冲同步。
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The paper used the boiler control system of a big enterprise that had 10 steam boilers and several control stations. It designed an integration control system which is composed of locale control part, man-machine conversation part and communication manage part.
本文针对某大型企业水暖分厂由10台蒸汽锅炉,多个控制站组成的锅炉群供热系统,设计了一套包括现场控制层、显示操作层和信息管理层的集成自动化控制系统。
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In this paper, the basic principles of vector control, coordinate transformation, the mathematical model induction motor control and fuzzy theory, for vector control characteristics, the design of a rate based on fuzzy logic controller to form a new vector control system, using MATLAB / SIMULINK Software simulation analysis.
本文阐述了矢量控制的基本原理、坐标变换、异步电机的数学模型以及模糊控制理论,针对矢量控制特点,设计一个基于模糊逻辑的速度控制器来组成新的矢量控制系统,利用MATLAB/SIMULINK软件进行仿真分析。
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But the development of modern control theory and technology of computer and meterage change the people s long notion of passive control and vibration reducing on rotating machanism. That is using modern control theory to active control the rotor bearing system. And then to change the design technique radically as to abstain the vibration accident.
现代控制理论和计算机技术与测量技术的发展,改变了人们长期对旋转机械被动隔振和减振的观念,即用现代控制论的思想,对转子-支承系统的振动主动的进行控制,从而在根本上改变设计方法,有效地避免振动事故。
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The result of this thesis can provide the actual method to control the reactive flywheel better for the high accuracy satellite attitude control system. The key technique of the reactive flywheel applied in the high accuracy satellite attitude control system is mastered."Zero momentum control" at three mutually perpendicular axes of satellite is realized on the real meaning.
本文的研究成果为反作用飞轮的精确控制提供了实际的途径,掌握了反作用飞轮应用于高精度卫星姿态控制的关键技术,实现了真正意义上的卫星三轴"零动量控制"。
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For optimizing the control system of the steel-wire napper, an embedded control system was developed, which use ARM platform implanted with the μC/OS-Ⅱ real time multitask kernel as the control centre and realize the control of the 6 separate motions of the napper through the RS-485 bus. Meanwhile, it is capable of making rapid response to the user's request and various malfunction signals.
为优化钢丝起毛机控制系统,以移植有μC/OS-Ⅱ实时多任务内核的ARM平台为控制核心,通过RS-485总线实现对钢丝起毛机6个独立运动的控制,并能对用户的要求及各种故障信息做出迅速响应。
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According to the real time control experiment of the"3-2-1"type 6DOF platform, it proves that the real time motion control based on virtual simulation is a feasible control method. The designer himself needn't do the modeling and solving of the kinematic positive/negative calculation of the complex space structure and it deeply reduces the needs of the control hardware.
通过所进行的"3-2-1"型六自由度平台实时运动控制实验可以证明,所提出的基于虚拟仿真的实时运动控制是一种可行的控制方法,它不仅不需要设计者自己直接进行复杂空间机构的运动学正、反解的建模与求解,而且极大地降低了对系统控制硬件的要求。
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Around the topic, the weak points of the traditional platform is analyzed first, such as complex arithmetic, long calculating time, high needs of hardware and so on. A real time control method based on virtual simulation is suggested to separate the complex positive/negative calculation of space kinematic and real time motion control. And a"3-2-1"type 6DOF platform is designed with the reference of the MAST (Multi-Axis Shaking Table) of MTS. The kinematic and dynamic calculation of the platform is finished. According to the calculating result, the control system of the"3-2-1"type 6DOF platform including 6 linear servo electric cylinders is designed and constructed. And the professional software Pro/E is used to do the 3D model and 6DOF motion simulation of the platform. The motion curves of the pistons of the 6 cylinders are exported with the simulation. At last the control software is programmed with Microsoft Visual Basic 6.0 and realizes the functions with the commands of GE series motion controllers. When loading the motion curves exported with the simulation, every cylinder can follow the curve very well and the platform realizes the hoped 6DOF motion.
围绕选题,本论文首先分析了传统的运动平台控制方法所存在的算法复杂、解算耗时长、硬件需求高的缺点,提出了一种基于虚拟仿真的实时控制方法,该方法将复杂的空间运动学正、反解与实时运动控制相分离;之后,参考MTS公司的MAST多轴振动平台,设计了新型的"3-2-1"型六自由度平台,并进行了运动学及动力学计算,根据相关计算结果,设计与搭建了包括驱动6个直线伺服电动缸在内的"3-2-1"型六自由度平台控制系统;接着,使用Pro/E对"3-2-1"型六自由度平台进行了三维建模和六自由度运动学仿真,并由仿真直接获得了6个直线伺服电动缸的活塞杆的相应运动曲线;最后使用Microsoft Visual Basic 6.0编写了控制软件界面,通过调用GE系列运动控制卡的各种命令函数实现了控制系统的相关功能,而当加载仿真得到的各缸运动曲线后,每缸均能很好地跟踪输入曲线,使平台实现了期望的多自由度运动。
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Aimming at the fuel control requirement of micro-turbojet,the automobile's electric fuel pump with adaptable improvement is chosen as fuel-feed system.The performance of fuel pump and the technical difficulty of flux control as the speed of pump doesn't be measured are analyzed.Using Philips 83C552 MCU as the main control chip,the system adopts voltage negative feedback combined current compensation instead of rotation speed negative feedback and a PWM convertor to design the flux closed loop control system.
针对微型涡喷发动机的燃油控制要求,选用汽车用电动油泵进行适应性改进作为供油执行装置,详细分析了电动油泵的特性及泵转速无法测量情况下流量控制的技术难点,并以83C552单片机为核心,采用电压负反馈加电流补偿代替转速负反馈、电机通过PWM驱动的方法设计电动油泵流量闭环控制系统。
- 相关中文对照歌词
- Lose Control
- Control
- Loss Of Control
- 40 Pra
- Takin' Control
- Let The Beat Control Your Body
- P Control (Remix)
- Rabba Sacheya
- Control
- Take Control
- 推荐网络例句
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The shaping method of noncircular part and the tool holder's radial motion characters in noncircular turning process are discussed in detail in the thesis.
论文详细研究了非圆零件的成型方法和加工过程中刀架的径向运动规律。
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I have not really liked him,I do not like his this kind of disposition.
我没有真的喜欢他,我不喜欢他的这种性格。
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As we know the price of traditional product is composed of the cost and the profit of the company involving market competition, monopolizes and many other factors.
我们知道作为传统的商品,定价的模式往往是在成本的基础上增加厂商的预计利润而形成其价格,当然也要考虑到市场竞争、垄断等其他方面的因素。