查询词典 loop control

We claim all sidedness and entirety and procedure of cost control, and the text put forward that cost prediction and cost planning and cost control in the cost process control should take turns as well as a rolling closed loop movement.

要求成本控制的全面性、整体性和过程性，提出了成本预测、成本计划和成本实施控制在成本过程控制中既是依次进行时，又是周而复始的闭环运动。

It's an effective measure of fast valving in improving the dynamic stabilities of power system and preventing the overspeed of steam turbines, but the fast valving technique available can satisfy the need of modern steam turbines no more. On the basis of the new type fluid logic valve, which combines the regulating systems and safety systems happily, the steam turbine EHC based on new principle is put forward, one of its outstanding characteritics is, the fast valving is operating in a closed control loop. For the implementation of control for steam generator regulation and safety systems with nonlinear mult-operating modes, a new methodology for designing a fuzzy logic controller is proposed, which is based on the combination of"error phase plane"and"variable universe of discourse". Application of a double-mode FLC with the new methodology is presented, the validity of the design methodolody is desmonstrated by test; A new methodolody is also presented to improve the design and tuning of a FLC using variable structure control theory.

本文还详细讨论了快关控制在提高电力系统暂态稳定性及超速保护中的应用，分析了现有的快关控制规律的局限性，研究出一种基于新型快关阀的汽轮机电液控制系统，其突出特点是使汽轮机闭环快关成为现实，指出这种基于新的组成原理与设计方法的汽轮机电液控制系统对不同工况下的适应能力；针对汽轮发电机组多工况、非线性的特点，提出一种把&误差相平面&方法与&可变论域&思想有机结合的双模FLC设计与调整的新方法，试验结果表明该系统具有良好的动、静态特性；为改善FLC控制规则的设计与调整，作者还介绍了一种把滑模变结构理论成功应用于模糊系统设计的新方法。

Speed and tension control of two-motor variable frequency speed-regulating system can be decoupled by the neural network inverse synchronous control method, and high performance control can be obtained by designing linear close-loop adjustors of speed and tension.

实验结果表明系统具有较好的动、静态性能和较强的抗负载扰动的能力，提出的神经网络逆同步控制方法为解决交流多电机系统解耦控制的难题提供了新思路。

Through the analysis of the work principle of three phases voltage resource PWM converter, set up the low and high mathematic models, deduce the restriction equations about grid voltage, grid current, modulation voltage and the DC output voltage and the calculation equations of the AC-side inductance and the DC-side capacitance. There are two control strategies are adopted: Predicted current control strategy and voltage-current two closed-loop control strategy, and give a comparison by theory and practice.

通过分析三相电压源型PWM变换器的工作原理，分别分析了低频和高频数学模型，并推导出了交流侧电压电流、调制电压、直流侧电压之间的数学约束关系以及交流侧电感和直流支撑电容参数的选取依据公式；分析对比了两种控制策略：预测电流控制和电压电流双闭环控制并加以实验验证；同时采用了负载电流前馈补偿和本文提出的一种基于专家系统的神经元新型智能PI控制器两种方法大大提高了整个系统的动态响应性能，并在仿真和实验中加以验证，这也是本文研究的重点内容之一。

Freescale16 design is partly based on SCM MC9S12DG128 as a system for the control processor, based on infrared sensors detect the road, through the processing and analysis of information, access to the track with black lines and gun feedback on the autonomous mobile trolley loop Feedback control; through the motor-driven and S12 to PWM control, making autonomous mobile trolley to the track in accordance with the regulations and to advance.

设计部分采用了Freescale16为单片机MC9S12DG128作为系统控制处理器，基于红外传感器检测道路信息，通过对信息的处理和分析，获取赛道黑线并结合测速反馈实现对自主移动小车的闭环反馈控制；还通过直流电机驱动和S12脉宽调制控制转向，使得自主移动小车能按照规定的轨迹前进和转向。

Based on the research on the theory and technology of dual-PWM variable frequency AC motor control, a design of dual-PWM variable frequency AC motor control system which has factor control loop rectifier and slip frequency speed regulator is proposed.

本文在总结和研究当前双PWM变频调速基础理论和常见技术的基础上，设计并研究了一种基于DSP的整流侧功率因数闭环、逆变侧转差频率控制的双PWM异步电机变频调速系统。

In allusion to weak point of traditional PID control can't effectively tracking parametric variation of control system ,utilize neural network have predominance that self-study、self-organization、associative memory、concurrent processing and can get satisfactory result in complex control system on the basis of double closed loop,advance apply adaptive linear element network—Adaline network, which has self-learn and self-adjust ability.

在双闭环控制的基础上，针对经典PID调节器不能有效跟踪控制系统参数变化过程这一弱点，利用神经网络具有自学习、自组织、联想记忆和并行处理等功能和对于复杂系统控制可以达到满意效果的优势，提出了采用具有自学习和自适应能力的单神经元网络——Adaline网络，来构成一种神经网络自校正控制器。

This paper aims at the design, implementation and evaluation of an industrial brushless servomotor drive. The proportional-plus-integral speed control with gains tuned by an extension of the frequency-zone method and anti-windup PI speed control based on self-conditioning techniques are studied. The parameters of speed performance criteria, control loop bandwidth, per normal inertia, and noise sensitivity are employed to evaluate the performance of the drive.

本文针对工业用无刷伺服马达驱动器进行设计与制作，延伸频率区域法分别设计比例积分控制之增益值，以自我条件技术完成比例积分速度控制之反卷起设计，并依据速度性能准则之参数，如控制回路频宽、惯量标么值、杂讯灵敏度等，进行驱动器之性能评估。

With the rapid development of the control technology, bringing network into traditional control system and realizing long - distance close - loop control have gained more and more attention.

随着控制技术的飞速发展，把通信网络引入到传统的控制系统实现迅速准确的远距离闭环控制成为人们日益关注的课题。

The author has studied large amount of literatures, set up comprehensive control methods for stationary and transient engine control and introduced a new closed-loop observer and nonlinear fuel film compensator based AFR control method.

作者在查阅大量参考资料的基础上建立了完整的基于发动机平均值模型的汽油机静、动态控制模型，提出了基于发动机闭环状态观察器和非线性油膜补偿器模型的瞬态空燃比和启动工况空燃比控制方法。

Putt your way through 36 fun-filled holes of minigolf on 3D designed courses with elevated greens, bunkers, bridges and water hazards, among other crazy obstacles.

您的推杆方式，通过36个有趣的填孔迷你的三维设计的课程，以提升绿党，掩体，桥梁和水的危害，除其他疯狂的障碍。

Some participles can be used either as attributes or as predicatives.

有些分词既可当定语用，也可当表语用。