Article | 13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden | A Case Study on Quantifying the Workload of Working Machine Operators by Means of Psychophysiological Measurements Link�ping University Electronic Press Conference Proceedings
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Title:
A Case Study on Quantifying the Workload of Working Machine Operators by Means of Psychophysiological Measurements
Author:
Reno Filla: Emerging Technologies, Volvo Construction Equipment, Eskilstuna, Sweden Erik M. G. Olsson: Department of Public Health and Caring Sciences, Uppsala University, Uppsala, Sweden Bo H. C. von Scehéele: Stress Medicine AB, Bergvik, Sweden Kjell Ohlsson: Department of Management and Engineering, Linköping University, Linköping, Sweden
DOI:
10.3384/ecp1392a29
Download:
Full text (pdf)
Year:
2013
Conference:
13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden
Issue:
092
Article no.:
029
Pages:
293-304
No. of pages:
12
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 of eighteen wheel loader operators; test-driving a machine in three different traction force settings; we examine if a workload index derived from psychophysiological measurements of heart rate; finger temperature; skin conductance; respiration rate and end-tidal CO2-concentration in exhaled air can be easily used to assess operator workload in sufficient detail to use it as a complement to traditional subjective evaluations in machine testing; either of real machines or in a human-in-the-loop simulator. In a longer perspective; such measurements are expected to play a role in a workload-adaptive operator assistance system.

However; the findings do not give support for this vision. Instead they indicate that other types of measurements than what have been used in our study should be employed if ease of use for practitioners such as test engineers is in focus; but also that other factors than just machine operability must be considered to have a great influence on the operator workload.

Keywords: Operator; working machines; wheel loaders; operator workload; stress; operability; human-machine interaction

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

Author:
Reno Filla, Erik M. G. Olsson, Bo H. C. von Scehéele, Kjell Ohlsson
Title:
A Case Study on Quantifying the Workload of Working Machine Operators by Means of Psychophysiological Measurements
DOI:
http://dx.doi.org/10.3384/ecp1392a29
References:

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[7] Begum; S. (2011) “A Personalised Case-Based Stress Diagnosis System Using Physiological Sensor Signals”. Doctoral thesis; Mälardalen University; Västerås; Sweden. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-12257

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http://irs.ub.rug.nl/ppn/297329391

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[12] Begum; S.; Ahmed; M. U.; Funk; P.; Filla; R. (2012) “Driver’s Mental State Monitoring System Using CBR Based on Heart Rate Variability Analysis”. Proceedings from the 7th International Symposium Advances in Artificial Intelligence and Applications (AAIA’12). http://fedcsis.org/proceedings/fedcsis2012/pliks/407.pdf

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[16] Begum; S.; Barua; S.; Filla; R.; Ahmed; M. U. (2013) “Classification of Physiological Signals for Wheel Loader Operators Using Multi-Scale Entropy Analysis and Case-Based Reasoning”. To be published in Expert Systems with Applications.

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

Author:
Reno Filla, Erik M. G. Olsson, Bo H. C. von Scehéele, Kjell Ohlsson
Title:
A Case Study on Quantifying the Workload of Working Machine Operators by Means of Psychophysiological Measurements
DOI:
http://dx.doi.org/10.3384/ecp1392a29
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