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- zero dynamic stiffness 零动态刚度
- In order to raise or guarantee the precision and dynamic stiffness of AMB spindle units mounted o... 分析了实现混合控制需要解决的关键技术问题以及混合控制方法的应用展望。
- The testing theory and method of the static and dynamic stiffness characteristics of pneumatic vibration isolator by MTS was presented. 介绍了利用材料试验机测试囊式空气弹簧隔振器静态、动态特性的原理及方法,并对某试样进行了测试和分析。
- The constant reactive power excitation control strategy is deducted using nonlinear zero dynamic method and the system stability under this control strategy is verified. 推导了使用非线性零动态方法实现的发电机恒无功励磁控制规律,并对采用这种控制规律后,系统的稳定性做了详尽的分析。
- To improve dynamic characteristics of crane, it puts forward suggestions on dynamic stiffness calculation of large-span heavy crane. 为改善起重机动态特性，对大吨位、大跨度起重机动刚度计算提出了建议。
- Analyses show that this model can describe the effect of nonlinear dynamic stiffness and the damping of the coupling on the nonlinear hysteretic restoring force very well. 分析表明，该数学模型能很好地描述联轴器的非线性动刚度和阻尼等动态特性对迟滞恢复力的影响，为深入研究船舶推进轴系的振动特性提供了联轴器的数学模型。
- In order to improve stress mode and dynamic stiffness of system,the compound frame of the punching and sheering units on multi-function bus press has been improved into the in... 将原设备冲孔与剪切单元组合框架结构改进为一体式框架结构,从而改善了母线加工机的受力方式,提高了系统的动态刚度,模具装夹更方便。
- Then a zero dynamical nonlinear invertible communication scheme with chaos driving is proposed. 在此基础上，提出了一种基于混沌驱动的零动态可逆离散非线性混沌通信系统。
- Ring permanent magnet torque motor servo system,used in direct drive NC rotary table,suffers from the effect of load torque change,which greatly reduces the servo dynamic stiffness. 直接驱动数控转台采用环形永磁力矩电机的伺服系统易受负载转矩变化的影响,显著降低系统的伺服动态刚度。
- Regular affine nonlinear singular systems are shown to be asymptotically stabilizable if the zero dynamics are stable. 最后证明了对于正则仿射非线性奇异系统，当其零动态渐近稳定时，该系统可通过反馈控制实现系统的稳定化。
- Secondly, the algorithm for solution of dynamic stiffness matrix method is discussed, and the critical computation steps for Wittrick-Williams algorithm of different element forms and the corresponding codes compiled by author are presented. 讨论了求解动态刚度阵法的计算方法,给出了不同单元形式对应的Wittrick-Williams算法关键计算步骤;
- The analysis of the system internal dynamics shows that the stability of the zero dynamics guarantees the stability of the control system. 通过分析系统的内部动态，证明了零动态的稳定性能保证控制系统的稳定性。
- The principle of semi-active control system to improve the dynamic stiffness of parallel machine tools is discussed, and the MRD is therefore proposed to improve their dynamic characteristics. 探讨了半主动控制提高并联机床的动刚度原理，提出采用磁流变液阻尼器作为减振器，提高其动态特性的方法。
- An unbalance response calculation of the casing was performed to predict the transfer function (dynamic stiffness) at the bearing support, as well as their effects on rotordynamics. 首先对转子支承结构传递函数（动刚度）进行计算，并进一步研究其对转子动力特性的影响；
- Symmetries of zero dynamics of nonlinear systems are studied in this paper.A zero dynamics of a nonlinear system with symmetries is shown to have symmetries. 研究非线性系统零动态的对称性，证明了，如果非线性系统具有对称性，那么，它的零动态也具有对称性。
- The zero dynamics were divided into several types, and the relations between the zero dynamics of general nonlinear system and that of its adjoint system norm were discussed by using functional analysis. 摘要将零动态分为几种类型，运用泛函分析等工具，研究了一般非线性系统与其作为仿射非线性的系统的伴随系统的零动态之间的关系。
- Optimum dynamic stiffness of hydraulic relief valve 溢流阀动态刚度最优控制
- DYNAMIC STIFFNESS OF ACTIVE ELECTROSTATIC BEARINGS 有源静电轴承的动刚度特性研究
- The mercury dived to ten below zero. 温度突然下降到零下10度。
- dynamic stiffness of engine mounts 悬置元件动刚度
