Linkage Mechanism for a specific output curve

A four-bar linkage with a logarithmic output, function-generating mechanism that converts linear input motion into logarithmic output motion within a specific range. By synthesizing link lengths input/output cranks, coupler, and frame using precision point synthesis, the mechanism can approximate the function or similar, mapping a rotation. MATLAB SIMULINK was used to map the follower and crank curve to a best fit function.