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Keywords: optimization
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Journal Articles
J Exp Biol (2021) 224 (5): jeb228296.
Published: 09 March 2021
... contacts dampen pitching energy, favouring a four-beat gait that can distribute expensive transfer of support. However, the required pitching of a four-beat walk becomes more expensive as Murphy number increases. Using trajectory optimization of a simple model, I show that both the walking and slow running...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (9): jeb185447.
Published: 30 April 2019
... that humans try to minimize is more complex than just COT and proposed Eqn 1 as one possible form. Specifically, because there was likely to be a difference in stability between the two conditions, we hypothesized that the relationship between preferred speed and the optimal speed (lowest COT) would...
Journal Articles
J Exp Biol (2019) 222 (1): jeb190983.
Published: 10 January 2019
... by a work-based control optimization model. The model captured the fundamental dynamics of the transition and therefore allowed an exploration of parameter sensitivity for success at the manoeuvre (run-up speed, foot placement, etc.). The optimal transition of both the model and the parkour athletes used...
Journal Articles
J Exp Biol (2018) 221 (3): jeb162024.
Published: 13 February 2018
... consistently reduced ballistic height compared with running in normal gravity. We explain this trend by considering the vertical take-off velocity (defined as maximum vertical velocity). Energetically optimal gaits should balance the energetic costs of ground-contact collisions (favouring lower take-off...
Includes: Supplementary data
Journal Articles
J Exp Biol (2016) 219 (4): 485–490.
Published: 15 February 2016
.... Published by The Company of Biologists Ltd 2016 Summary: Exploitation of elastic recoil shapes the stance phase's segment movement in small birds; however, reducing the cost of locomotion is only a secondary movement criterion. Avian locomotion Charadriiform birds Kinetics Optimization Leg...
Includes: Supplementary data
Journal Articles
J Exp Biol (2007) 210 (9): 1548–1558.
Published: 01 May 2007
... will dramatically enhance our understanding of cellular function and dynamics. A simple linear optimization approach, called `flux-balance analysis'(FBA), enables us to calculate the flux rate for each reaction in a whole-cell metabolic network. The FBA method is based on the assumption that the concentration...
Includes: Supplementary data
Journal Articles
J Exp Biol (2006) 209 (24): 4841–4857.
Published: 15 December 2006
... used to optimize the swimming efficiency and the burst swimming speed. The results of the present simulations support the hypothesis that anguilliform swimmers modify their kinematics according to different objectives and provide a quantitative analysis of the swimming motion and the forces experienced...
Includes: Multimedia, Supplementary data
Journal Articles
J Exp Biol (2006) 209 (16): 3045–3054.
Published: 15 August 2006
... © The Company of Biologists Limited 2006 2006 allometry fractal geometry optimization metabolic rate body mass The problem of the scaling between size and energy metabolism began with the verification, in the late 1800s by Rubner( Hoppeler and Weibel, 2005 ),that standard metabolic...
Journal Articles
J Exp Biol (2005) 208 (20): 3987–3995.
Published: 15 October 2005
.... In consequence, T. brasiliensis has an oxygen diffusion capacity two or three times higher than that of the rodents. In Tadarida brasiliensis the characteristics of the lung were accompanied by geometrical changes in the proximal airway, such as high physical optimization as a consequence of small variations...
Journal Articles
J Exp Biol (2003) 206 (19): 3369–3380.
Published: 01 October 2003
... that were marginally sufficient to balance the daily energy budget within the time that is naturally available in a tidal system. We predicted the optimal gizzard sizes that are required to either (1) balance energy income with energy expenditure, or (2) to maximise net daily energy intake. The gizzard mass...