NDLI: Performance of different foot designs for a water running robot

Content Provider	IEEE Xplore Digital Library
Author	Floyd, S. Adilak, S. Ramirez, S. Rogman, R. Sitti, M.
Copyright Year	2008
Description	Author affiliation: Dept. of Mech. Eng., Carnegie Mellon Univ., Pittsburgh, PA (Floyd, S.)
Abstract	The water runner robot is designed to run on the surface of water in a manner similar to the basilisk lizard. To do so, it must generate a lift force greater than its weight by slapping and stroking its foot through the water, creating an air cavity in the process. In addition, it must remove its foot before this cavity collapses. Basilisk lizards deal with this problem by folding their feet during retraction from the air cavity to avoid prematurely collapsing the cavity and generating excess drag. Several different passive foot designs for the water runner were analyzed to determine which had the largest lift and created the least amount of drag. Feet with folding sections which collapse during retraction and spring back into place once the foot has exited the water were found to work best. Those feet which allowed air to pass through during retraction provided the least net lift. Elliptic feet with their major axis in line with the direction of running performed better than simple circular feet. Consequences of these results are discussed.
Starting Page	244
Ending Page	250
File Size	1522953
Page Count	7
File Format	PDF
ISBN	9781424416462
ISSN	10504729
DOI	10.1109/ROBOT.2008.4543216
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2008-05-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Foot Robots Legged locomotion Leg Robotics and automation Drag Animals Surface tension Propulsion Power generation
Content Type	Text
Resource Type	Article
Subject	Artificial Intelligence Control and Systems Engineering Electrical and Electronic Engineering Software

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
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9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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