Extraction of time delay in stress fluctuation during excavation work for KANSEI feedback control system in hydraulic excavators

Risa Nara, Yasue Mitsukura, Nozomu Hamada

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In this paper, we aimed to extract time delay in stress fluctuation during excavation work to realize a control system of hydraulic excavators (KANSEI feedback control system). In recent years, there is a growing demand to remove stress caused by harsh working environments, because they may cause life-threatening diseases including depression. We focused on construction sites as examples of harsh working environments. Attempts have been made to reduce noise and vibration of hydraulic excavators to improve the environment surrounding workers. These attempts do not consider operability however, which is also a considerable cause of stress. We attempted to improve the operability of hydraulic excavators by realizing automatic control system using stress values (KANSEI feedback control system). In order to realize this system, there are two phases: Finding correlation between control output and stress (phase 1), and finding correlation between control input and stress (phase 2). In this research, we aimed to achieve phase 1, and extracted the time delay in stress fluctuation of operators with different skill levels using different types of hydraulic excavators. As a result, it was confirmed that the time delay tended to increase with working time.

Original languageEnglish
Title of host publication2018 IEEE 8th International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018
PublisherIEEE Computer Society
Volume2018-September
ISBN (Electronic)9781538660959
DOIs
Publication statusPublished - 2018 Dec 13
Event8th IEEE International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018 - Berlin, Germany
Duration: 2018 Sep 22018 Sep 5

Other

Other8th IEEE International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018
CountryGermany
CityBerlin
Period18/9/218/9/5

Fingerprint

Excavators
Excavation
Feedback control
Time delay
Hydraulics
Control systems

Keywords

  • EEG
  • hydraulic excavators
  • kansei

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Industrial and Manufacturing Engineering
  • Media Technology

Cite this

Nara, R., Mitsukura, Y., & Hamada, N. (2018). Extraction of time delay in stress fluctuation during excavation work for KANSEI feedback control system in hydraulic excavators. In 2018 IEEE 8th International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018 (Vol. 2018-September). [8576219] IEEE Computer Society. https://doi.org/10.1109/ICCE-Berlin.2018.8576219

Extraction of time delay in stress fluctuation during excavation work for KANSEI feedback control system in hydraulic excavators. / Nara, Risa; Mitsukura, Yasue; Hamada, Nozomu.

2018 IEEE 8th International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018. Vol. 2018-September IEEE Computer Society, 2018. 8576219.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nara, R, Mitsukura, Y & Hamada, N 2018, Extraction of time delay in stress fluctuation during excavation work for KANSEI feedback control system in hydraulic excavators. in 2018 IEEE 8th International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018. vol. 2018-September, 8576219, IEEE Computer Society, 8th IEEE International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018, Berlin, Germany, 18/9/2. https://doi.org/10.1109/ICCE-Berlin.2018.8576219
Nara R, Mitsukura Y, Hamada N. Extraction of time delay in stress fluctuation during excavation work for KANSEI feedback control system in hydraulic excavators. In 2018 IEEE 8th International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018. Vol. 2018-September. IEEE Computer Society. 2018. 8576219 https://doi.org/10.1109/ICCE-Berlin.2018.8576219
Nara, Risa ; Mitsukura, Yasue ; Hamada, Nozomu. / Extraction of time delay in stress fluctuation during excavation work for KANSEI feedback control system in hydraulic excavators. 2018 IEEE 8th International Conference on Consumer Electronics - Berlin, ICCE-Berlin 2018. Vol. 2018-September IEEE Computer Society, 2018.
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