The mathematic model of magnetic system is set up . by linearizing the mathematic model in the equilibrium point , the author gets the state function and transfer function of the system 建立了磁悬浮系统的数学模型,并对数学模型在平衡点附近进行了线性化,得到了系统的状态方程和传递函数。
At last we provide the model with transaction costs with a view to the capital is large enough . we linearize transaction costs function to linear function , then we research the model 在理想状态下,即投资者可以支配的资金为充分大的情况下,将交易费函数近似线性化,研究了含有交易费的证券组合投资模型。
The experiment of high energy c ^ e ~ collisions , for its simple initial state and clean background , is considered as an idea experiment for the study of the non - linearized dynamics hi soft - hard processes 高能e ~ + e ~ -碰撞以其特有的清晰的初态和干净的背景,被认为是研究软-硬过程中的非线性动力学的理想实验
In this article , by use of basic concepts of the weighted space distance , a set of locally linearized models is simply and effectively combined into a global description of a nonlinear plant 本研究藉由空间距离权重的概念,提出简便且有效的方法,结合一组局部线性化模式成为一整体的模式,可准确地代表线性程序。
The original nonlinear system is linearized to one one - order system and one two - order system . then design methods for linear systems are adopted to design each system separately 然后,用线性控制方法分别对各线性系统独立进行设计,这样原非线性系统的输出跟踪问题便转化为线性化解耦后的各子系统的输出跟踪问题。
And the basic two - dimensional transient state equations for semiconductor device are dispersed and linearized . the matrix - vector form of the basic functions is get . and the solution methods are also discussed 离散和线性化了二维瞬态半导体基本方程,并得到了其矩阵-矢量方程形式,同时还讨论了其求解的方法。
At the same time it has a simple control structure and can linearize the system even it is unnecessary to know mathematical models and actual parameters of original system 而且控制结构简单,在无须知道系统的数学模型和具体参数的情况下,即可实现系统的大范围线性化,从而为逆系统方法的工程实现提供了一条有效途径。
Last but not least , based on the aerodynamics of wind power machines , using the torque observer and speed estimator , a linearized direct speed control wind power generation model has been presentated 最后,针对风速的多变性,根据风力机的动力特性,利用状态估计方法,提出了一种变速风力发电机直接速度控制模型。
Because the linearized engine model is time - invariant , it is well known that the kalman filter gain matrix converges to a unique constant value if the system is both fully observable and controllable 由于发动机线性模型是可控可观测的定常系统,增益k阵趋于唯一常量,可利用matlab直接求解riccati方程,离线解得k值。
When the magnetic ( electronic ) field approaches to the threshold and saturation field , the angle is very small , we can linearize and simplify the calculation because the angle is very small 因此计算液晶盒阈值和饱和场强是很重要的问题。对于接近阈值和饱和的情况,可以用小角度近似,把问题线性化,使计算大大简化。