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- An example of finding optimal damped ratio in second order underdamped control system is given. 以二阶欠阻尼控制系统的设计为例，优化出系统的最佳阻尼比。
- Keywords Vibration isolation system;Harmonic vibration;Transmissibility;Optimal damping ratio; 隔振系统;简谐振动;传递率;最优阻尼比;
- Optimal Damping Ratio control 最优阻尼控制
- optimal damping ratio 最优阻尼比
- This paper delves into the method of finding the best damp ratio and intrinsic frequency ratio of CVIS. 得出系统求解方程及寻找最佳阻尼比和固有频率比的方法。
- It is found that for the above situation the soil material damping ratio is commonly less than 3%. 计算分析表明风振时层状场地地基土的材料阻尼比很小，一般不超过3%25。
- Depending on the damping ratio adjusting,the low measurement range and the high frepuency response was realized. 采用调整阻尼比技术，解决了传感器的低量程、高频响的技术难点。
- Through the study of the dynamic hysteretic loop curve of silt clay, a new bilinear model of soil based on damping ratio was proposed. 摘要通过对粉质粘土动力滞回曲线的研究，提出了一种新型基于阻尼比的双线型土动力本构模型。
- Soil dynamic parameters, including dynamic shear modulus ratio and damping ratio, have important effects on the earthquake response of soil layer. 摘要土动力学参数即土的动剪切模量比和阻尼比，对土层地震反应分析结果有重要影响。
- The test covers the deflection and stress of the main sections, natural frequency, impact coefficient and damping ratio, etc. 试验内容主要有关键拱肋截面的位移和内力、振动频率、冲击系数和振动阻尼比等静动力特性。
- Results show that the rubberized concrete has higher damping ratio and lower elastic modulus, and thus lower natural frequency for elements. 试验结果发现，橡胶混凝土的阻尼较之普通混凝土有显著提高，弹性模量和基频随橡胶掺量的增加而降低。
- Significant differences occur in the mass,stiffness,period and damp ratio after adding steel storeys on the top of the original building. 采用钢结构加层后,结构的整体质量、刚度、周期、阻尼比等都发生了较大的变化,应进行结构的整体分析。
- Speed feedback of yaw angle was realized through adding mode damping ratio of Dutch roll and adjusting mach number by height. 偏航角速率反馈以增加荷兰滚模态阻尼比，按高度及马赫数调参数实现。
- The influences of damping ratio,slamming rate and coefficient of correlation on the reliability were studied,and the reliabilities of v. 最后通过算例分析了舰船结构的阻尼率、砰击率及相关系数对可靠性的影响,并计算分析了舰船结构各种失效模式的可靠性。
- Based on these researches,the calculation methods of the parameters and distribution of energy dissipation devices and equivalent damping ratio ar. 在此基础上,给出了消能减震结构设计中阻尼器分布、阻尼器参数和等效阻尼比等有关计算方法。
- The shear modulus and damp ratio characteristics of typical strata are achieved in the dynamic test, based on GDS triaxial dynamic system. 2．利用GDS三轴仪对工程场地内的原状土样进行了室内动力试验，获得了各主要土层的动弹性模量与阻尼比。
- High speed hollow spindles with optimal damping 具有最优化阻尼的高速空心锭子
- The inherent frequency, mode, damp ratio and impact coefficient of the bridge were achieved by comparing the actual test results with the calculation results. 将实桥测试结果和计算分析结果进行了比较，并且获得了大桥的固有频率、模态、阻尼比和冲击系数。
- Based on these researches, the calculation methods of the parameters and distribution of energy dissipation devices and equivalent damping ratio are proposed. 在此基础上，给出了消能减震结构设计中阻尼器分布、阻尼器参数和等效阻尼比等有关计算方法。
- Through the swept frequency experiment study for a kind of CD-ROM,the damp ratio of vibration system and natural frequency of vertical vibration model are obtained. 通过对某型号CD光驱的隔振系统作扫频实验,获得振动系统的阻尼比和竖直振型对应的固有频率。
