The Proceedings of Mechanical Engineering Congress, Japan
Online ISSN : 2424-2667
ISSN-L : 2424-2667
2021
Session ID : J122-20
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Discussion on the difference of the power inputs identified by some SEA models
*Tenryu ASADAKai KURIHARAToru YAMAZAKI
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Abstract

Two methods, power injection method (PIM) and approximate power injection method (APIM), are analytically compared in input-power identified of the simplest two subsystem SEA model. From the formula determined by APIM, it is recognized that it is happened to identify the power input into the subsystem without actual input power. Then we discuss and propose an improved SEA model construction method based on APIM. The improved APIM is numerically applied to evaluate the loss factors and the power inputs of a simply supported beam considered by two SEA subsystems. Also the improved APIM is experimentally applied to identify the power input of the automotive tire with two SEA subsystems and it is confirmed that the identified power inputs are more accurate.

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© 2021 The Japan Society of Mechanical Engineers
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