Sensorless Cutting Force Estimation in Ball-Screw-Driven System Using Triple-Inertia Model

Yuki Yamada; Yasuhiro Kakinuma; Takamichi Ito; Jun Fujita; Makoto Sawazaki; Makoto Sagara

doi:10.4028/www.scientific.net/AMR.1017.619

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 1017Sensorless Cutting Force Estimation in...

Sensorless Cutting Force Estimation in Ball-Screw-Driven System Using Triple-Inertia Model

Abstract:

In this paper, we propose cutting-force-estimation method for a ball-screw-driven system using triple inertia model. In many cases, dual-inertia model is applied to describe the dynamic behavior of the ball-screw-driven system. In this paper, triple-inertia model is applied and cutting force was estimated without additional sensors, such as dynamometer. The cutting force observer is designed, regarding the ball-screw-driven system as two input and three output system. Simulation results indicate that the proposed method enables accurate estimation around the resonance frequencies. Experimental results showed that the proposed method could monitor external force without being interrupted by the inertia forces.Nomenclature

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Periodical:

Advanced Materials Research (Volume 1017)

Pages:

619-623

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1017.619

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Online since:

September 2014

Authors:

Yuki Yamada*, Yasuhiro Kakinuma, Takamichi Ito, Jun Fujita, Makoto Sawazaki, Makoto Sagara

Keywords:

Ball-Screw-Driven System, Cutting Force, Cutting Force Observer, Disturbance Observer, Process Monitoring

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