Based on the analysis of the fuzzy control principle, this paper presents an fuzzy control method with adaptable coefficients which is used in position control loop . therefore, the speed and placidity demands can be satisfied furthest at the same time 本文在分析模糊控制基本原理的基础上,给出了一种比例因子模糊自调整的模糊控制策略,将其用于外环的位置控制,以最大程度地满足高速卷取对台阶回避快速性和平稳性的要求。
In this dissertation the control loop of attitude angle and collective piston loop are separately . the controller is designed at two scales . and the simulation shows the uncoupling of three attitudes angle loop is achieved with dynamic inversion scheme 在姿态角通道的设计中,采用了动态逆思想,按照时标分离的原则将直升机飞控系统划分为快慢回路,并采用动态逆方法对飞行控制系统进行设计和仿真,仿真结果表明动态逆在通道解耦方面非常有效。
The main control loop of our architecture uses perception interpretation and action prediction to update the world state and then use a specific high-level decision module to decide next action, moreover, we introduce the concepts of situation based strategic positioning and dynamic positioning and role exchange 本论文采用了多层体系的智能体结构,该结构的主要控制循环是使用感知解释和动作预测模型来更新世界模型,并通过高层决策模型来决定下一步的动作。
The control loop of attitude angle is designed with dynamic inversion method, and is divided into fast loop and slow loop at two time scales . in the end, the result of simulation showed that the three channels of attitude angle are discoupled by dynamic inversion method 在姿态角通道的设计中,采用动态逆思想,按照时标分离的原则将直升机飞控系统划分为快慢回路,并分别采用动态逆的方法进行设计,最后通过仿真得以证明直升机的三个姿态角通道得到有效的解耦。
According to the requirement of precision grinding, a design scheme for the equipment that has dual-station for both measuring and grinding on the same machine is adopted . a cnc control system satisfying the control needs for precision measuring and grinding is developed, which is composed of double cpu comprising of an industrial personal computer ( ipc ) and a programmable multi-axis controller ( pmac ), with closed control loops and perfect electromagnetic compatibility ( emc ) 根据天线罩的精密修磨加工要求,确定采用“一体式双工位测量与加工”的装备设计方案,研制了满足精密测量与修磨加工控制要求的cnc控制系统,该系统采用由工业控制计算机和多轴运动控制器组成的双cpu结构、全闭环控制方式,并具有完善的电磁兼容性设计。
In the second part of this paper, it makes a detailed analysis among fluid-model-based, smith-principle-based and two-pd-controllers-based by comparing to the method and application of control theory . then it gets the laws to keep the control loop stable . in order to analyze the dynamic and transient characters, three congestion control algorithms mentioned above have been carried out in the nist atm network simulator and the successful outcomes are brought out 本论文对atm网络abr业务拥塞控制的控制理论算法进行了总结,简要分析了其优点和缺点;运用控制理论的分析方法和观点对基于流体控制模型、史密斯预估控制模型和双重比例微分控制模型三种拥塞控制算法加以具体的分析,从而分析了怎样确保控制环的稳定性;在nistatm网络仿真软件中嵌入以上三种拥塞控制算法,从而对算法的动态和瞬态特性进行仿真分析,以此证明控制算法的有效性;最后提出了今后atm网络abr业务拥塞控制算法的发展趋势。
The intelligent vehicles technology may divide into three according to the function level, namely intelligent sensation / early warning system, vehicles control loop and entire automatic operating system; the intelligent vehicles research involves the computer survey and the control, the computer vision, the sensor data fusion, the vehicles project and so on many domains, may say, the intelligent vehicles research is the computer vision and the computer control research in the vehicles project synthesis 智能车辆技术按功能层次可以分为三层,即智能感知预警系统、车辆驾驶系统和全自动操作系统;智能车辆的研究涉及计算机测量与控制、计算机视觉、传感器数据融合、车辆工程等诸多领域,可以说,智能车辆的研究是计算机视觉与计算机控制研究在车辆工程上的综合。
According to a russian professor's idea, a controllable reactor model with multi control loops has been constituted by this paper . then based on the finite element method ( fem ) and combining with the circuit theory, the mathematical model of nonlinear magnetic field is presented for the numerical analysis of the magnetic field distribution and the inductance of the controllable reactor model 本文基于交流可控电抗器的多绕组结构,加工制作了模拟可控电抗器,运用有限元法,并通过场一路耦合分析法,对此电抗器的场分布及其等值电感参数进行数值计算,得到了符合工程分析精度要求的计算结果,为可控电抗器的工程应用提供了相应的理论分析依据和实验结果。
With the aid of these blocks, it is convenient and flexible to make up different kind of automatic-controlled simulating system and so to accomplish different kind of automatic adjusting task . this paper is focused on the construction of the simulation model of ccs by using the contrived control section model . the ccs employs advanced direct energy balance control strategy and can simulate different running patterns such as turbine following boiler pattern, boiler following boiler pattern, etc . two independent control loops : power control and frequency control, are used in the contrivance of deh and they are separately corresponding to the normal condition and the abnormal condition 本文利用开发的控制环节模块,着重建立了协调控制系统的仿真模型,该协调控制系统采用了先进的直接能量平衡控制策略,并能仿真机跟炉、炉跟机、机炉协调、手动以及定压和滑压等运行方式;开发的功频电液系统模型采用了功率控制和频率控制两个独立的控制回路,能够在机组正常运行和启停时对汽轮机进行控制。
This paper presents two basic points to cope with this problem . first, the impact of large time delay in the servo-control loop is avoided through the local automation of the telerobot, therefore, the stability is maintained . second, the transparency is promoted by developing the advanced human-computer interface based on virtual reality ( vr ) 为了解决这一问题,本文的基本思想是利用机器人的局部自主能力,把时间延迟排除在底层控制回路之外,保证遥操作的平稳性;同时,利用基于虚拟现实的人机接口技术提高遥操作的透明性。