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Updated: Sep 10, 2025
07:28
A Method for Evaluating Timeliness and Accuracy of Volitional Motor Responses to Vibrotactile Stimuli
Published on: August 2, 2016
7.4K
Ergodicity Breaking and Ageing in a Vibrational Motor
Yaqin Yang1, Hongda Shi1,2, Luchun Du2
1Key Laboratory of Artificial Microstructures in Yunnan Higher Education Institutions, School of Physical Science and Technology, Kunming University, Kunming 650214, China.
Entropy (Basel, Switzerland)
|August 28, 2025
Summary
Investigating vibrational motor dynamics, this study reveals amplitude increases promote ergodic behavior, while higher frequencies induce non-ergodic states. Ageing effects are prominent under specific low-amplitude or high-frequency conditions.
Area of Science:
- Physics
- Nonlinear Dynamics
- Statistical Mechanics
Background:
- Vibrational motor systems are crucial in various applications.
- Understanding their ergodicity and ageing is key for performance prediction.
- Periodic external forces introduce complex dynamics.
Purpose of the Study:
- To investigate ergodicity and ageing phenomena in a periodically driven vibrational motor.
- To analyze the contrasting roles of amplitude and frequency on system dynamics.
- To provide a theoretical basis for predicting long-term operational performance.
Main Methods:
- Mathematical modeling of a vibrational motor system.
- Analysis of system dynamics under periodic external forcing.
- Examination of parameter regimes influencing ergodicity and ageing.
Main Results:
- Amplitude increase transitions the system from non-ergodic to ergodic.
- Higher driving frequency shifts dynamics from ergodic to non-ergodic.
- Ageing effects are pronounced at low amplitudes or high frequencies.
Conclusions:
- System behavior is sensitive to amplitude and frequency.
- Overcoming potential barriers enhances ergodicity with amplitude.
- Lower frequencies improve system responsiveness, impacting dynamics.
- Findings offer insights into vibrational motor mechanisms and performance prediction.
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