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The outcome is a graphical map that can quantitatively correlate the extent of the grasp pressure and the geometry of interaction to the extent of hand passivity. For this purpose, a user study has been conducted for 11 healthy human subjects to characterize the energy absorption capability in their arm and wrist. The above correlation is statistically validated. The identified user-specific grasp-based passivity signature map can be used as a graphical tool to assess the biomechanical capabilities of the upper limb in absorbing interaction energy. In this paper, the proposed grasp-based passivity signature map is utilized in the design of a new stabilizer for haptic systems, that takes into account the variation in energy absorption during haptic task execution. The goal is to optimize the haptic system fidelity while guaranteeing human-robot interaction stability despite the potential existence of delays and a non-passive environment. The controller is termed grasp-based passivity signature map stabilizer. If the user provides minimum to no energy absorption during the interaction, the controller makes the force reflection gate tight to guarantee stability. However, when the user demonstrates high capability in absorbing interaction energy, the controller allows the forces to be reflected. The grasp-based passivity signature map stabilizer is an alternative for both conventional stabilizers of haptic\/telerobotic systems and fixed conservative force limits in rehabilitation systems where patient-robot interaction safety is a crucial requirement. This provides the practical motivation for this work. Experimental results are presented. <\/jats:p>","DOI":"10.1177\/0278364916689139","type":"journal-article","created":{"date-parts":[[2017,4,4]],"date-time":"2017-04-04T12:54:34Z","timestamp":1491310474000},"page":"778-799","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":40,"title":["A grasp-based passivity signature for haptics-enabled human-robot interaction: Application to design of a new safety mechanism for robotic rehabilitation"],"prefix":"10.1177","volume":"36","author":[{"given":"Seyed Farokh","family":"Atashzar","sequence":"first","affiliation":[{"name":"Department of Electrical and Computer Engineering, University of Western Ontario, Canada"},{"name":"Canadian Surgical Technologies and Advanced Robotics (CSTAR), Canada"}]},{"given":"Mahya","family":"Shahbazi","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, University of Western Ontario, Canada"},{"name":"Canadian Surgical Technologies and Advanced Robotics (CSTAR), Canada"}]},{"given":"Mahdi","family":"Tavakoli","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, University of Alberta, Canada"}]},{"given":"Rajni V","family":"Patel","sequence":"additional","affiliation":[{"name":"Department of Electrical and Computer Engineering, University of Western Ontario, Canada"},{"name":"Canadian Surgical Technologies and Advanced Robotics (CSTAR), Canada"},{"name":"Department of Surgery, University of Western Ontario, Canada"}]}],"member":"179","published-online":{"date-parts":[[2017,4,4]]},"reference":[{"key":"bibr1-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/TNSRE.2011.2176960"},{"key":"bibr2-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1177\/0278364907073776"},{"key":"bibr3-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/IROS.2012.6386152"},{"key":"bibr4-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/IROS.2012.6386170"},{"key":"bibr5-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/IROS.2013.6696394"},{"key":"bibr6-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/IROS.2014.6943060"},{"key":"bibr7-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/IROS.2015.7354025"},{"key":"bibr8-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/TRO.2016.2623336"},{"key":"bibr9-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/JSTSP.2016.2530632."},{"key":"bibr10-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/TCST.2007.908222"},{"key":"bibr11-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1109\/TCST.2012.2217965"},{"key":"bibr12-0278364916689139","doi-asserted-by":"publisher","DOI":"10.1007\/s40141-014-0056-z"},{"key":"bibr13-0278364916689139","unstructured":"Butler A, Bay C, Wu D, (2014) Expanding tele-rehabilitation of stroke through in-home robot-assisted therapy. 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