Remote network-controlled mini servo winch

This client needed a small winch to raise and lower a guided CTD rig at regular intervals in a fixed shallow autonomous dock-side application.  As an unmanned application, they needed the winch to be able to connect to their network and run from digital commands rather than rely on an in-person operator.

This application’s very low loads were an ideal fit for using an ultra-compact servo motor drivetrain.  Servo motor drivers are also highly conducive to integrating with a client’s network to control the winch digitally from afar with custom programming.

Equivalent-power PMDC motors (used more traditionally in the majority of low-power A.G.O. winches) are not quite as compact as servo motors, which also come with built-in load-holding electric brakes and encoders that can be used for wire counting.  The associated motor controllers for PMDC motors are also more complicated to configure to take remote digital control commands compared to servo drivers.

This particular winch was also built to include heaters and thermostats for the electrical system to help maintain year-round functionality even in -40°C winter temperatures.