利用惯性负载实现主动机械振子的同步
Synchronization of active mechanical oscillators by an inertial load
摘要：
出于操作的肌（自振荡）昆虫飞行肌肉，我们研究了一个模型，包括大量相同的振荡收缩元素加入一个链，其末端连接到一个阻尼质量弹簧振荡器。当惯性负载较小时，串联耦合有利于反同步状态，其中一个振荡器的延伸由另一个振荡器的收缩补偿，以保持总长度。然而，足够大的负载可以使振荡器同步，甚至可以在孤立元件稳定的情况下引起振荡。该系统有一个复杂的相图显示静态，同步和反同步阶段，以及一个unsual异步阶段，其中链的总长度振荡在不同的频率从个别有源元件。
英文摘要：
Motivated by the operation of myogenic (self-oscillatory) insect flight muscle, we study a model consisting of a large number of identical oscillatory contractile elements joined in a chain, whose end is attached to a damped mass-spring oscillator. When the inertial load is small, the serial coupling favors an antisynchronous state in which the extension of one oscillator is compensated by the contraction of another, in order to preserve the total length. However, a sufficiently massive load can sychronize the oscillators and can even induce oscillation in situations where isolated elements would be stable. The system has a complex phase diagram displaying quiescent, synchronous and antisynchrononous phases, as well as an unsual asynchronous phase in which the total length of the chain oscillates at a different frequency from the individual active elements.
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