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Johansson, Lars
Publications (4 of 4) Show all publications
Rönnbäck, S. & Johansson, L. (2011). Field tests of a roll-over prevention system for quad-bikes. In: IEEE International Conference on Mechatronics. Paper presented at ICM 2011, International Conference on Mechatronics, 13-15 april, Istanbul Turkey. IEEE
Open this publication in new window or tab >>Field tests of a roll-over prevention system for quad-bikes
2011 (English)In: IEEE International Conference on Mechatronics, IEEE , 2011Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
IEEE, 2011
National Category
Information Systems
Research subject
Automatic Control
Identifiers
urn:nbn:se:umu:diva-40600 (URN)
Conference
ICM 2011, International Conference on Mechatronics, 13-15 april, Istanbul Turkey
Note
Not yet published.Available from: 2011-03-01 Created: 2011-03-01 Last updated: 2018-06-08Bibliographically approved
Rönnbäck, S. & Johansson, L. (2011). Winter tests of a quad-bike rollover prevention system. In: IEEE Proceeding of International Conference on Advanced Robotics: . Paper presented at The 15th International Conference on Advanced Robotics, June 20-23, 2011, Tallinn University of Technology, Tallinn, Estonia. Tallin: IEEE
Open this publication in new window or tab >>Winter tests of a quad-bike rollover prevention system
2011 (English)In: IEEE Proceeding of International Conference on Advanced Robotics, Tallin: IEEE , 2011Conference paper, Published paper (Other academic)
Abstract [en]

We have developed a teleoperated quad-bike to be able to test a rollover prevention system. It was equipped with onboard computers, power steering, throttle control, emergency power cutoff, an IMU module, pneumatic actuators, and mechanical retractable outriggers. An onboard computer system tracks the vehicle orientation and velocity in real time. When the vehicle is predicted to overturn the system activates functions to prevent a rollover. The functions are: - activation of retractable outriggers, - decrease the throttle for motor brake, - activation of rear wheel brakes. The system has no active steering. The system was field tested in winter conditions in mars 2010, and was able to prevent rollover situations sideways and backwards.

Place, publisher, year, edition, pages
Tallin: IEEE, 2011
Keywords
field robotics, telerobotics, kinematics
National Category
Mechanical Engineering
Identifiers
urn:nbn:se:umu:diva-44103 (URN)
Conference
The 15th International Conference on Advanced Robotics, June 20-23, 2011, Tallinn University of Technology, Tallinn, Estonia
Note

Not yet published.

Available from: 2011-05-26 Created: 2011-05-22 Last updated: 2018-06-08Bibliographically approved
Fällman, D., Andersson, N. & Johansson, L. (2001). Come Together, Right Now, Over Me: Conceptual and Tangible Design of Pleasurable Dupliances for Children. In: Proceedings of the International Conference on Affective Human Factors Design, CAHD 2001: . Paper presented at International Conference on Affective Human Factors Design, CAHD 2001. London: Asean Academic Press
Open this publication in new window or tab >>Come Together, Right Now, Over Me: Conceptual and Tangible Design of Pleasurable Dupliances for Children
2001 (English)In: Proceedings of the International Conference on Affective Human Factors Design, CAHD 2001, London: Asean Academic Press , 2001Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
London: Asean Academic Press, 2001
National Category
Social Sciences Interdisciplinary Design
Identifiers
urn:nbn:se:umu:diva-19238 (URN)
Conference
International Conference on Affective Human Factors Design, CAHD 2001
Available from: 2009-03-05 Created: 2009-03-05 Last updated: 2018-06-09
Fällman, D., Andersson, N. & Johansson, L. (2001). Dupliances: Physical and Virtual Activity Encompassed. In: Proceedings of CHI 2001: Human Factors in Computing Systems, Extended Abstracts. Paper presented at Conference on Human Factors in Computing Systems. New york: ACM Press
Open this publication in new window or tab >>Dupliances: Physical and Virtual Activity Encompassed
2001 (English)In: Proceedings of CHI 2001: Human Factors in Computing Systems, Extended Abstracts, New york: ACM Press , 2001Conference paper, Published paper (Refereed)
Place, publisher, year, edition, pages
New york: ACM Press, 2001
National Category
Social Sciences Interdisciplinary Design
Identifiers
urn:nbn:se:umu:diva-19248 (URN)
Conference
Conference on Human Factors in Computing Systems
Available from: 2009-03-05 Created: 2009-03-05 Last updated: 2018-06-09
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