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A method, and a system employing the method, for determining a position of a rotational part in a reciprocating machine. The system includes a quadrature encoder and an interrupter coupled to the rotational element. As the interrupter rotates with the wrist pin, the quadrature encoder generates some binary signals based on the rotation of the wrist pin. A digital-to-analog converter then converts the binary signals into a single analog signal. The system then wirelessly transmits the single analog signal for processing by other remote components.
Michigan Technological University, Houghton, MI (US)
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Kemppainen, Daniel R., "Wrist pin sensing system and method" (2011). Michigan Tech Patents. 1.