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Throw Quick-Return 1 - Finite Jerk at Start and End.This Throw Quick-Return 1 is the classic Rise-Return motion-law. It has a Quick-Return when compared to two Polynomial 345 segments because it has a negative acceleration at its maximum displacement - at the transition from Rise to Return. Throw Quick Return 1 - Finite-Jerk at Start and End Motion-Values of each motion-derivative Start of rise segment 1 : •Position = 0 •Velocity = 0 •Acceleration = 0 •Jerk = Unspecified ( Actual value = 320 mm/s/s/s ) Mid-Point : •Position = 1 •Velocity = 0 •Acceleration = Unspecified ( Actual value = –26.666 mm/s/s ) OR Acceleration = –20 mm/s/s •Jerk = 0 End of return Segment 2 : •Position = 0 •Velocity =0 •Acceleration = 0 •Jerk = Unspecified ( Actual value = –320 mm/s/s/s ) See also: •Throw: Quick Return: Zero Jerk @ Start/End/Mid-Point |