In the Milner continuously variable transmission altering the axial separation between two moveable halves of the outer race set allows the radial position of the planet balls to vary, along with the contact positions on the inner and outer races and, hence, the transmission ratio changes. An inelastic analytical model implemented in SIMULINK is presented which allows the component positions, speeds, forces, and torques to be calculated. Use of a free body approach for individual components allows both individual and coupled component motions to be studied. Examples of the steady-state results and experimental verification are presented. Use of the model for dynamic investigations and to improve future versions of the transmission is discussed.
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November 2007
Research Papers
Dynamic Modeling of the Milner Continuously Variable Transmission—The Basic Kinematics
S. Akehurst,
S. Akehurst
Powertrain & Vehicle Research Center,
University of Bath
, Calverton Down, Bath, BA2 7AY, UK
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D. A. Parker,
D. A. Parker
Powertrain & Vehicle Research Center,
University of Bath
, Calverton Down, Bath, BA2 7AY, UK
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S. Schaaf
S. Schaaf
Intersyn Technologies
, 2736 Albans, Houston, TX 77005
Search for other works by this author on:
S. Akehurst
Powertrain & Vehicle Research Center,
University of Bath
, Calverton Down, Bath, BA2 7AY, UK
D. A. Parker
Powertrain & Vehicle Research Center,
University of Bath
, Calverton Down, Bath, BA2 7AY, UK
S. Schaaf
Intersyn Technologies
, 2736 Albans, Houston, TX 77005J. Mech. Des. Nov 2007, 129(11): 1170-1178 (9 pages)
Published Online: September 19, 2006
Article history
Received:
December 6, 2005
Revised:
September 19, 2006
Citation
Akehurst, S., Parker, D. A., and Schaaf, S. (September 19, 2006). "Dynamic Modeling of the Milner Continuously Variable Transmission—The Basic Kinematics." ASME. J. Mech. Des. November 2007; 129(11): 1170–1178. https://doi.org/10.1115/1.2771573
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