Type synthesis of function-generating mechanisms for seat suspensions |
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Authors: | C -M Lee V N Goverdovskiy |
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Institution: | (1) School of Mechanical and Automotive Engineering, University of Ulsan, Ulsan, 680-749, Korea;(2) Department of Vehicle Technologies and Maintenance, Siberian Transport University, 191 D. Koval’tchyk Str., Novosibirsk, 630-049, Russian Federation |
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Abstract: | Mechanisms with “negative” stiffness are a unique tool used to significantly improve vibration isolation for a vehicle driver
via upgrade of the seat suspension. However, connection of such mechanisms to the suspension results in errors in the function
generation process, and in most cases, makes motion impossible. An approach to type synthesis is presented in order to make
this process more predictable, easy and thus more practical for the upgrade process. Structural classification of the suspensions
is presented, and -an atlas of function-generating mechanisms for suspensions that reveals the effect of “negative” stiffness
is completed. All of the function-generating mechanisms appear in the atlas as result of enumeration. Structural properties
of novel and existing mechanisms are compared. Finally, some advantages in practical use of novel suspensions with “negative”
stiffness are illustrated. |
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Keywords: | Type synthesis Function-generating mechanism Seat suspension |
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