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Kinematic analysis of a rolling tensegrity structure with spatially curved members. (English) Zbl 1539.70004

The paper is devoted to the study of different modes of rolling motion for a tensegrity structure with spatially curved members. This topic, intriguing from both mathematical and engineering perspectives is presented in a quite approachable manner, starting with a nice review of the existing literature and a brief discussion on the static case, after which the authors present the geometry and kinematics in the cylindrical and conical setting. Finally, a prescrition for navigating the locomotion with two control parameters is presented as a practical application. No expertise in the field is assumed for the reader – all results are derived almost from scratch using only basic methods from the geometry and calculus, and aided by clear graphical illustrations. Thus, the paper is appropriate for mathematicians and engineers with different backgrounds, as well as for curious students.

MSC:

70B10 Kinematics of a rigid body
70F25 Nonholonomic systems related to the dynamics of a system of particles
70Q05 Control of mechanical systems

References:

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