A new mass measurement using a damped dynamic vibration absorber is developed. A mass-spring system with a dynamic vibration absorber has a fixed point through which all the frequency response curves pass independently of damping in the absorber. The proposed method of measurement utilizes this fixed point to estimate mass independently of damping in the absorber. The principle of measurement was described based on a mathematical model. An experimental apparatus based on the principles was fabricated. Mass measurement was carried out with the apparatus. The measurement results demonstrated the efficacy of the proposed method.
- Dynamic Systems and Control Division
Damping-Insensitive Mass Measurement Using a Damped Dynamic Vibration Absorber
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Mizuno, T, Yamamoto, S, Ishino, Y, & Takasaki, M. "Damping-Insensitive Mass Measurement Using a Damped Dynamic Vibration Absorber." Proceedings of the ASME 2012 5th Annual Dynamic Systems and Control Conference joint with the JSME 2012 11th Motion and Vibration Conference. Volume 3: Renewable Energy Systems; Robotics; Robust Control; Single Track Vehicle Dynamics and Control; Stochastic Models, Control and Algorithms in Robotics; Structure Dynamics and Smart Structures; Surgical Robotics; Tire and Suspension Systems Modeling; Vehicle Dynamics and Control; Vibration and Energy; Vibration Control. Fort Lauderdale, Florida, USA. October 17–19, 2012. pp. 857-862. ASME. https://doi.org/10.1115/DSCC2012-MOVIC2012-8823
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