US Patent 8635930 Floor mounted pedal with position sensor

An electronically controlled floor mounted pedal assembly with a position sensor includes a base. A control arm is pivotally mounted to the base member at a control arm pivot axis, and a pedal arm is pivotally mounted to the base member at a pedal arm pivot axis. The control arm free end is positioned adjacent an inner surface of the pedal arm. A friction generating member mounted on the control arm free end contacts a pedal arm friction member positioned on the inner surface of the pedal arm to generate frictional hysteresis force. A spring positioned between the base member and the control arm free end initially biases the control arm against the pedal arm. A position sensor supported on the base member about the control arm pivot axis senses angular rotation of the control arm about the control arm pivot axis as the pedal arm rotates about the pedal arm pivot axis.