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Optimal Control for Haptic Rendering: Fast Energy Dissipation and Minimum Overshoot

Hulin, Thomas and González Camarero, Ricardo and Albu-Schäffer, Alin (2013) Optimal Control for Haptic Rendering: Fast Energy Dissipation and Minimum Overshoot. In: IEEE/RSJ International Conference on Intelligent Robots and Systems. IROS 2013, Tokio, Japan. doi: 10.1109/iros.2013.6697004.

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Controlling haptic devices in an optimal way is crucial to achieve both, best performance and most realistic haptic feedback. The present article investigates control design of a single degree of freedom haptic device that is interacting with a human operator and rendering a virtual wall affected by time delay. To this end, it suggests different optimization criteria based on the step response of the haptic system. These criteria cover fundamental requirements for efficiently using haptic devices, particularly fast settling and minimum overshoot. For each criterion an optimal path and point inside the stable region of the virtual wall parameters is derived. These optima depend mainly on the system mass, sampling time and time delay. This approach is supported by experiments on two devices, a Falcon haptic device and a DLR/KUKA Light-Weight Robot arm.

Item URL in elib:https://elib.dlr.de/86633/
Document Type:Conference or Workshop Item (Speech)
Title:Optimal Control for Haptic Rendering: Fast Energy Dissipation and Minimum Overshoot
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hulin, ThomasUNSPECIFIEDhttps://orcid.org/0000-0002-3814-075XUNSPECIFIED
González Camarero, RicardoCEIT and TECNUN, University of NavarraUNSPECIFIEDUNSPECIFIED
Date:November 2013
Journal or Publication Title:IEEE/RSJ International Conference on Intelligent Robots and Systems
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In ISI Web of Science:Yes
Keywords:haptic control, stability boundaries, optimal control, energy-based optimization
Event Title:IROS 2013
Event Location:Tokio, Japan
Event Type:international Conference
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space System Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Space System Technology
DLR - Research theme (Project):R - Terrestrial Assistance Robotics (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (since 2013) > Mechatronic Components and Systems
Deposited By: Hulin, Dr. Thomas
Deposited On:11 Dec 2013 15:41
Last Modified:24 Jul 2023 09:27

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