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Influence of sailor position and motion on the performance prediction of racing dinghies

Influence of sailor position and motion on the performance prediction of racing dinghies
Influence of sailor position and motion on the performance prediction of racing dinghies
The time-varying influence of a sailor’s position is typically neglected in dinghy velocity prediction programs (VPPs). When applied to the assessment of dinghy race performance, the position and motions of the crew become significant but are practically hard to measure as they interact with the motions of the sailboat. As an initial stage in developing a time accurate dinghy VPP this work develops an on-water system capably of measuring the applied hiking moment due to the sailor’s pose and compares this with the resultant dinghy motion. The sailor’s kinematics are captured using a network of inertial motion sensors (IMS) synchronised to a video camera and dinghy motion sensor. The hiking moment is evaluated using a ‘stick man’ body representation with the mass and inertial terms associated with the main body segments appropriately scaled for the representative sailor. The accuracy of the pose captured is validated using laboratory based pose measurements. The completed work will provide a platform to model how sailor generated forces interact with the sailboat to affect boat speed. This will be used alongside realistic modelling of the wind and wave loadings to extend an existing time-domain dynamic velocity prediction program (DVPP). The results are demonstrated using a single handed Laser and demonstrate an acceptable level of accuracy.
Taylor, Joshua
a9b3c9d7-76c2-4897-acff-3676d794ffc8
Banks, Joseph
3e915107-6d17-4097-8e77-99c40c8c053d
Turnock, Stephen
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Taylor, Joshua
a9b3c9d7-76c2-4897-acff-3676d794ffc8
Banks, Joseph
3e915107-6d17-4097-8e77-99c40c8c053d
Turnock, Stephen
d6442f5c-d9af-4fdb-8406-7c79a92b26ce

Taylor, Joshua, Banks, Joseph and Turnock, Stephen (2016) Influence of sailor position and motion on the performance prediction of racing dinghies. The 22nd Chesapeake Sailing Yacht Symposium, Annapolis, United States. 18 - 19 Mar 2016. 10 pp .

Record type: Conference or Workshop Item (Paper)

Abstract

The time-varying influence of a sailor’s position is typically neglected in dinghy velocity prediction programs (VPPs). When applied to the assessment of dinghy race performance, the position and motions of the crew become significant but are practically hard to measure as they interact with the motions of the sailboat. As an initial stage in developing a time accurate dinghy VPP this work develops an on-water system capably of measuring the applied hiking moment due to the sailor’s pose and compares this with the resultant dinghy motion. The sailor’s kinematics are captured using a network of inertial motion sensors (IMS) synchronised to a video camera and dinghy motion sensor. The hiking moment is evaluated using a ‘stick man’ body representation with the mass and inertial terms associated with the main body segments appropriately scaled for the representative sailor. The accuracy of the pose captured is validated using laboratory based pose measurements. The completed work will provide a platform to model how sailor generated forces interact with the sailboat to affect boat speed. This will be used alongside realistic modelling of the wind and wave loadings to extend an existing time-domain dynamic velocity prediction program (DVPP). The results are demonstrated using a single handed Laser and demonstrate an acceptable level of accuracy.

Text
CSYS 2016 Taylor Revised V8.pdf - Accepted Manuscript
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More information

e-pub ahead of print date: 19 March 2016
Venue - Dates: The 22nd Chesapeake Sailing Yacht Symposium, Annapolis, United States, 2016-03-18 - 2016-03-19
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 400462
URI: http://eprints.soton.ac.uk/id/eprint/400462
PURE UUID: 836f1648-d6cf-4c55-9392-3274740b8bf8
ORCID for Joseph Banks: ORCID iD orcid.org/0000-0002-3777-8962
ORCID for Stephen Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 16 Sep 2016 13:45
Last modified: 25 Sep 2019 00:40

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