To investigate the optimal delay time and slice thickness of CT venography (CTV) of the head in order to get better images and to improve the diagnosis for cerebral venous system diseases.
目的选择脑ct静脉造影(CTV)的最佳扫描时相及重建层厚，以获得良好的脑静脉图像，提高脑静脉系统疾病的CT诊断水平。
To the widely existed characteristics of time-delay, non-linear and timevarying of parameters in the industry process, an adaptive neuron-fuzzy PID controller based on optimal prediction is presented.
针对工业过程中普遍存在的时滞、非线性、对象参数时变等特性，提出了一种基于最优预测的神经元模糊自整定PID控制算法。
A successive approximation algorithm of feedforward and feedback optimal control for linear systems with state time-delay affected by persistent disturbances is presented.
针对外部持续扰动下的线性时滞系统，提出一种前馈-反馈最优控制的逐次逼近算法。
For different delay time, the optimal strategies have been obtained by using the method of multi-target gray state decision.
根据不同待轧时间，采用多目标灰色局势决策方法，得出了相应合理的待轧优化控制策略。
This paper studies the discrete time optimal control of a flexible cantilever beam with time delay in control.
对考虑时滞影响的柔性悬臂梁的离散最优控制进行研究。
The problem of optimal non-fragile guaranteed cost control for a class of linear time-delay systems with structured uncertainties was considered.
对一类具有结构不确定性的线性时滞系统的最优非脆弱保性能控制问题进行了研究。
Zero placement method in the frequency domain is utilized to design robust multi-hump EI optimal arbitrary time-delay filter (OATF) by placing two or more filter zeros nearby the system poles.
采用频域的零点配置方法，通过在系统极点附近配置多个滤波器零点设计强鲁棒性的多峰极不灵敏（E I）最优随机时滞滤波器。
This paper studies optimal tuning of PID controllers and its robust performance evaluation for under-damped plants with time delay.
研究了带有纯延迟的欠阻尼对象最优PID控制器的参数整定及性能鲁棒性评价问题。
By introducing a sensitivity parameter, the original optimal output tracking control problem is transformed into a series of two-point boundary value problems without time-advance or time-delay terms.
通过引入一个灵敏度参数，将原最优输出跟踪控制问题转化为不含超前项和时滞项的一族两点边值问题。
A time minimum robust time delay filter of flexible system is proposed in this paper to improve the robustness of traditional time optimal control.
本文提出了一种最小时间鲁棒时滞滤波器控制，来提高柔性系统的时间最优控制的鲁棒性。
But for the general optimal control for nonlinear systems with time-delay, the analytical solution does not exist.
非线性时滞系统的最优控制问题是非常难解决的研究课题。
A fuzzy controller is designed to decide the optimal tactic of distributing the information flow of the queue system, which makes the time of the clients delay least in the communication system.
建立了一个模糊控制器来决定排队系统信息流分配的最优策略，使得顾客在通信系统中的平均逗留时间最小。
Instantaneous optimal control method for linear systems with time delay in control is investigated in this paper.
对时滞线性系统的瞬时最优控制方法进行了研究，并给出控制具体实现过程。
The problem of designing optimal sliding mode controllers for a class of uncertain linear systems with input time-delay was considered.
研究了一类带有控制时滞的不确定性系统的滑模变结构控制器的设计问题。
The optimal control for discrete time-delay systems with additive disturbances is considered.
研究了状态变量含有时滞的离散系统在外部扰动下的最优控制问题。
This paper considers a linear optimal estimation problem for a stochastic process viewed as the output signal of the time delay stochastic systems driven by a white noise input.
本文研究在白噪声输入情况下，时滞系统随机输出信号的线性滤波估计问题。
A new algorithm derived from Chebyshev polynomials is presented for the approximate analytic solution of infinite-time linear-quadratic optimal feedback control law for time-delay systems.
给出了用切比雪夫多项式方法，求时滞系统的无穷时间线性二次型反鐀控制律的近似解析解的新方法。
The paper studies the optimal economic order quantity problem of deteriorating items taking account of capital time-value and possible delay in payment of procurement cost.
研究了变质物品在考虑资金时间价值并且采购费允许滞后支付时的最优经济订货批量问题。
In this paper, a robust self-tuning control algorithm for PID controller with pole assignment optimal prediction suitable for the process with unkaow or time-varying delay is proposed.
本文提出一种适合于时变时滞系统的极点配置最优预报自校正PID鲁棒控制算法。
The principle of PFC is introduced from three aspects: predictive model, error compensation and optimal algorithm. The basic PFC algorithm for first-order plus time delay system is developed.
从预测模型、反馈校正和优化控制三方面对预测函数控制基本原理进行了系统的阐述并针对一阶加纯滞后对象推导了单变量预测函数控制的基本算法。
Since no approximation is made in the derivation of the time-delay optimal controller from the mode-controlled equation, the system stability is easy to guarantee.
因在由控制模态方程推导时滞最优控制律的过程中无近似处理，所给控制方法易于保证控制系统的稳定性。
The algorithm has not only PID control features, but also self-tuning control and optimal prediction features that may overcome the time delay. Simulation results indicate …
计算机数字仿真结果表明这种控制策略对具有未知或时变分数时滞系统是非常有效的。
Simulations verify that this time-division control mode provides better control than optimal control that does not consider the delay or control modes that do not make full use of the control inputs.
仿真结果验证了该分时控制模式比没考虑延迟的优化控制和没充分利用控制量的控制模式有更好的控制效果。
The problem of fuzzy optimal control for nonlinear time-delay system was considered based on the framework2 of T-S( Takagi-Sugeno) fuzzy model and parallel distributed compensation(PDC) controller.
基于T S模糊模型和平行分布补偿器（PDC） ，讨论了非线性时滞系统的模糊最优问题。
Secondly, regarding to the time of permissible delay in payment, cost functions are presented according to the order policy, and the existences of the optimal time are proved.
在两级分销供应链中，对于供应商提供的不同的延期支付期限，根据订货商的订货策略，给出了定时信用支付下的成本函数，并证明了模型最优解的存在性；
A linearized time-delay controller is proposed for a flexible manipulator system following the optimal tracking control theory.
采用最优跟踪控制方法对柔性机械臂线性化主动控制中的时滞问题进行研究。
So the optimal control problem of discrete-time systems with time-delay becomes a wildly attentional research field in recent decades.
所以，时滞离散系统的最优控制问题近年来成为广受关注的研究领域。
The optimal control problem is considered for linear discrete time-delay systems affected by external persistent disturbances.
研究含外部确定扰动的线性离散时滞系统的最优控制问题。
The optimal output tracking(OOT) problem for a class of nonlinear time-delay systems is considered where the reference input and the external disturbance are described by the exosystems.
因此，研究这类系统的全局实际输出跟踪，即要求通过控制能在有限的时间内使系统的输出跟踪误差要多小有多小，有重要的理论意义和实际意义。
The optimal output tracking(OOT) problem for a class of nonlinear time-delay systems is considered where the reference input and the external disturbance are described by the exosystems.
因此，研究这类系统的全局实际输出跟踪，即要求通过控制能在有限的时间内使系统的输出跟踪误差要多小有多小，有重要的理论意义和实际意义。
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