模态系统

Generally, adaptive regulation can't deˉ scend, so that this bug also causes acute chattering.

但由于自适应律是非减函数，在进入滑模态以后，系统如果再次受到干扰，那么自适应项将在原有基础上增加，而不会随着干扰的消除而递减。

In order to solve this problem, a kind of Fuzzy-PID multistate self-adjusting controller was designed. It was used as a speed adjuster for the vector control of the PMSM.

针对这一问题，设计了一种基于Fuzzy-PID的多模态自适应控制器，作为永磁同步电机矢量调控系统的速度调节器。

Brake vibration and noise is a phenomenon of self-induced vibration due to friction coupling and improper matching of modal parame...

制动振动噪声是由摩擦耦合诱发、制动器各部件子结构的模态参数相互匹配不当而导致的系统自激振动现象。

Brake vibration and noise is a phenomenon of self-induced vibration due to friction coupling and improper matching of modal parameters of different brake components.

制动振动噪声是由摩擦耦合诱发、制动器各部件子结构的模态参数相互匹配不当而导致的系统自激振动现象。

In this project, a general modal synthetical method based on the hybrid energy and hybrid variable method willbe firstly established, and the three-dimensional stochastic dynamic model of compound systems will be proposed.

本项研究将以发展基于混合能与混合变量方法的广义模态综合法为突破口，建立相对运动复合系统全三维耦合随机动力学分析模型。

The assumption mode method is utilized to derive the motion equations of the structure.

采用假设模态法建立系统的运动微分方程。

To reduce the freedom of the systerm, this article uses substruction technology to build the FEM of the camera, then anylysises every substruction respectively, and on this base , calculates the impact response of space camera structure through applying mode synthesize to all the substruction.

为缩减系统自由度，该文采用子结构技术划分相机有限元模型，然后逐个分析每个子结构，并在此基础上经模态综合计算了航天相机结构的冲击动力学响应。

Then the problem is reduced to less degrees of freedom to solve nonlinear equations by the modal synthesis method.To verify the successfulness of this method,an example is given.

利用非线性振动理论的平均方法，求得经模态综合法降维后系统方程的近似解析解。

The natural frequency of the system and the equivalent bending stiffness of the suspender were deduced.

在此基础上，采用有限元方法对系统进行了模态计算和动力学响应分析。

The rigid-flexible coupling dynamics modeling and modal analysis were employed to study the system consisted of square plansifter and flexible suspender.

针对高方平筛和其上固结的柔性吊杆组成的动力学系统，进行了刚柔耦合的动力学建模和振动模态分析。

They weren't aggressive, but I yelled and threw a rock in their direction to get them off the trail and away from me, just in case.

他们没有侵略性，但我大喊，并在他们的方向扔石头让他们过的线索，远离我，以防万一。

In slot 2 in your bag put wrapping paper, quantity does not matter in this case.

在你的书包里槽2把包装纸、数量无关紧要。