压缩空气所提供的能源是采用一定的方式让压缩空气膨胀至常压状态而产生的。
Compressed air of the energy is provided by a certain way to let the compressed air expansion to atmospheric pressure state and of generation.
研究了在二维定常不可压流动状态下雷诺数和翼型厚度等参数对翼型气动特性的影响。
For steady incompressible flows, the effects of Reynolds number and thickness of airfoils on the aerodynamic characteristics are studied.
利用人工神经网络,讨论了线性定常控制系统关于状态反馈、输出反馈及动态补偿器的极点配置问题。
By Using an artificial neural network, the pole assignment problem of state feedback, output feedback and dynamic output feedback compensators in linear control system are discussed.
本文针对线性定常离散系统提出了一种有效的基于输出残差的自适应状态估计方法。
In this paper, based on output residuals, an efficient adaptive state estimation approach is presented for linear time-invariant discrete system.
本文给出了线性定常系统状态矩阵摄动时保持能控性不变的摄动区间的估计。
In this paper, the approximate perturbation range of the state matrix of a linear time-invariant system is given, keeping the system controllability invariant.
基于附着流状态下的旋翼非定常翼型气动模型,给出了计算该状态下的翼型非定常升力、阻力和俯仰力矩的数值计算方法。
A numerical method is given to calculate the unsteady lift, pitching moment and drag acting on an airfoil of rotors under attached-flow conditions in a compressible flow.
针对定常解析非线性系统进行能控性分析,采用微分方程级数解法得到状态方程的一般级数解,用作能控性分析的基本依据。
For the controllability of constant non linear system by using the progression method, the general progression solution of state equation is obtained.
当源项是解的非线形函数时,发现定常状态的误差是刚性参数的单调增加函数。
The steady error is an increasing function of the stiffness parameter if the source term is nonlinear.
本文针对定常和非定常热状态推导了机床在运转中产生的内部热强度的计算公式。
In this paper a calculating formula is introduced for measuring the strength of internal heat source produced in machine tool while revolving in accordance with steady and non-stationary state.
基于神经优化计算原理,给出了线性定常系统的状态观测器的设计方法。
Based on the principle of HNN optimization computation, a design method for the observer for linear time invariant systems is proposed.
近年来,人们发现压气机叶顶间隙流并非始终处于定常状态,在某些流动条件下,它会产生明显的非定常波动,并影响压气机的总性能。
Recently, the unsteady characteristics of tip clearance flow, which appears in some flow conditions, was discovered and its influence to the compressor performance was recognized.
建立了GPS系统的状态空间模型:定常速度模型和定常加速度模型。
Based on the dynamic modeling in state space, the state space model of GPS ise established: constant speed model and constant acceleration model.
本文提出了线性定常最优调节器的动态补偿器设计方法,为状态不可测但输出各阶导数存在的线性多变量系统提供了一条设计最优调节器的途径。
This paper considers the design method of a dynamic compensator for linear constant optimal regulators. The design employs feeback only from the available outputs of the system.
改进了状态反馈增益算法,可以任意配置线性定常能控系统的极点。
The improved state feedback algorithm can assign the poles of LTI system arbitrarily.
改进了状态反馈增益算法,可以任意配置线性定常能控系统的极点。
The improved state feedback algorithm can assign the poles of LTI system arbitrarily.
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