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采用数值方法研究了基于双壁碳纳米管的纳机电系统在周期性简谐驱动力作用下实现稳定振动的条件。确定了获得持久稳定的振动的系统和控制力参数。计算和分析了双壁碳纳米管的操作特性。结果表明,通过选择合适的驱动振幅和频率,能够实现双壁碳纳米管的持久稳定振动。该方法对于进一步研究基于碳纳米管的纳机电系统的设计有重要的参考价值。
The numerical method was used to study the condition of stable vibration of a nanomechanical system based on double walled carbon nanotubes under the effect of periodic harmonic drive force. The system and control parameters to obtain long-lasting and stable vibration were determined. The operating characteristics of double walled carbon nanotubes were calculated and analyzed. The results show that the long-term and stable vibration of double-walled carbon nanotubes can be achieved by choosing the appropriate driving amplitude and frequency. The method has important reference value for further research on the design of nanoelectromechanical systems based on carbon nanotubes.