negative-damping负阻尼
1.In this paper, an eliminating negative-damping excitation regulator is proposed, which is based on mathematic modelofcontrol object andmechanism of power-angle swing.基于控制对象的数学模型和功角振荡的机理,提出了一种可消除负阻尼的励磁控制器,应用Simulink对其效果进行了仿真研究。
3)Negative damp负阻尼
1.Self-sustained oscillation characteristic of thermoacoustic stack is quantitatively proven based on thermodynamic theory to be negative damped oscillation.从热动力学理论出发,定量地证明回热器的自激振荡特性为负阻尼振荡。
4)negative damping ratio负阻尼
1.A hydraulic expression of negative damping ratio of a tainter gate when a tangential vibration resulting from changing waterflow takes place on such a rigid body is introduced to define the negative damping ratio corresponding to the parametric resonance condition caused by the longitudinal constant force of compressional members and alternating force.引入了弧形闸门小开度切向振动时因流量随时变化产生的水力负阻尼的表达式,定义了因压杆纵向恒定力及交变力引起的参数共振相应的负阻尼·对弧门振动的不同情况简化为两端铰支承和一端铰支一端弹性支承两种端点条件不同的压杆,并给出了相应的第一欧拉临界力的计算式·由动力方程给出了杆端纵向力的近似算式,根据实验资料给出了作用在支铰上的脉动压力的参考值,为讨论可能出现动力失稳的典型情况奠定了基础
5)negative damped area负阻尼区
1.The results show that the existence of a negative damped area is the fundamental reason for producing frictional self-excited vibrating.结果表明:负阻尼区的存在是产生摩擦自激振动的根本原因。
6)negative resistance character负阻尼特性
延伸阅读
负负1.犹言惭愧﹑惭愧;对不起﹑对不起。