一方面在新的粒子种群产生过程中引入扰动变量，使粒子群在遵守秩序和随机行为之间达到平衡；
On the one hand, through leading perturbation variables into the generation process of particle population, a balance is reached between the order and random behaviors.
本文讨论了存在未知扰动情况下如何设计双线性多变量系统的观测器问题。
The problem of designing an observer for bilinear multivariable systems in the presence of unknown disturbances is considered.
提出了一种多变量统计质量控制方法来减小由于过程扰动引起的产品质量变化。
A multivariable statistical quality control method was presented to decrease the variance in product quality by the influence of process disturbance.
利用正比于系统变量的周期脉冲扰动法对其混沌进行控制，得到较好的控制结果。
Good controlling results are gotten by using periodic pulses disturbance method proportioned with system variable to control the chaos.
对包含非线性扰动的多变量系统，提出了一种从参考模型取状态hmrac方案。
A kind of HMRAC scheme is presented. It takes states from model for multivariable system including nonlinear disturbance.
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。
The optimal control for discrete time-delay systems with additive disturbances is considered.
通过负载扰动观测，依据系统结构不变性原理实时补偿变量马达摆角，实现系统的转速控制。
The variable motor swing Angle is real-timely compensated according to the structural invariability for speed control, through the load vibration observer.
股票价格的波动除了自身的影响外，宏观经济变量的扰动会影响股票价格当前和未来取值。
The fetching value with the future or at present at of the stock price fluctuation will be influenced by the macro-economy variable besides it's own influence.
集气管压力系统是一个耦合严重、非线性、扰动频繁剧烈的多变量时变系统，很难用常规方法加以控制。
Pressure system in coke oven gas-collecting pipe is a multi-coupling, nonlinear, strong disturbed, multi-variable and time-varying system. It is hard to control it in usual methods.
集气管压力系统是一个耦合严重、非线性、扰动频繁剧烈的多变量时变系统，很难用常规方法加以控制。
Pressure system in coke oven gas-collecting pipe is a multi-coupling, nonlinear, strong disturbed, multi-variable and time-varying system. It is hard to control it in usual methods.
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