Cycloidal motion

Planar kinematic geometry - cyclic motions

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Specification of a motion

Cycloidal motion is given by a straigth line as a fixed centrode and a circle as a moving centrode. Trajectories of moving points and envelopes of moving curves are called cycloids. This motion and involute motion are inverse motions.

Trajectory of a point (cycloidal motion)

Envelope of a circle (cycloidal motion)

Envelope of a straight line (cycloidal motion)