Article | 13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden | Recognition of Operating States of a Medium-Sized Mobile Machine
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Title:
Recognition of Operating States of a Medium-Sized Mobile Machine
Author:
Tomi Krogerus: Department of Intelligent Hydraulics and Automation, Tampere University of Technology, Finland Mika Hyvönen: Department of Information and Computer Science, Aalto University School of Science, Espoo, Finland K. Huhtala: Department of Information and Computer Science, Aalto University School of Science, Espoo, Finland Kalevi Huhtala: Department of Intelligent Hydraulics and Automation, Tampere University of Technology, Finland
DOI:
10.3384/ecp1392a37
Download:
Full text (pdf)
Year:
2013
Conference:
13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden
Issue:
092
Article no.:
037
Pages:
379-388
No. of pages:
10
Publication type:
Abstract and Fulltext
Published:
2013-09-09
ISBN:
978-91-7519-572-8
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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In this study the main goal was to study the operating states of a medium-sized mobile machine. The measured time series data were analysed to find frequent episodes (sequences of operating states) to which the conditional probabilities were then calculated. The time series data were first segmented to find events. One or more segments build up an event which can be interpreted to be an operating state. The segments were then clustered and classified. The segment class labels were interpreted as events. As a result; a list of rules was established. The rules describe causal connections between consecutive operating states and transition probabilities from 1st state to 2nd state. The recognized operating states were further analysed to be used in diagnosis of the operation of the machine and focusing the diagnostics on certain operating states

Keywords: Mobile machine; analysis; diagnostics; operating state; hydraulics; time series; segmentation; episode; event; piecewise linear regression; clustering; classification; association rules; quantization error

13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden

Author:
Tomi Krogerus, Mika Hyvönen, K. Huhtala, Kalevi Huhtala
Title:
Recognition of Operating States of a Medium-Sized Mobile Machine
DOI:
http://dx.doi.org/10.3384/ecp1392a37
References:

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13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden

Author:
Tomi Krogerus, Mika Hyvönen, K. Huhtala, Kalevi Huhtala
Title:
Recognition of Operating States of a Medium-Sized Mobile Machine
DOI:
http://dx.doi.org/10.3384/ecp1392a37
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