Nonlinearity induced synchronization enhancement in mechanical oscillators
US9966966B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 20, 2016 |
| Grant date | May 8, 2018 |
| Priority date | — |
| Expiry date | May 15, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K2005/00286
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An autonomous oscillator synchronizes to an external harmonic force only when the forcing frequency lies within a certain interval, known as the synchronization range, around the oscillator's natural frequency. Under ordinary conditions, the width of the synchronization range decreases when the oscillation amplitude grows, which constrains synchronized motion of micro- and nano-mechanical resonators to narrow frequency and amplitude bounds. The present invention shows that nonlinearity in the oscillator can be exploited to manifest a regime where the synchronization range increases with an increasing oscillation amplitude. The present invention shows that nonlinearities in specific configurations of oscillator systems, as described herein, are the key determinants of the effect. The present invention presents a new configuration and operation regime that enhances the synchronization of micro- and nano-mechanical oscillators by capitalizing on their intrinsic nonlinear dynamics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.