Resolver

Cable assembly

Resolver

A resolver is an electromagnetic transducer that converts the angular position of a rotor into an electrical variable.

Measurement of the angular position of electric motors in:

  • Rudder systems for ships
  • Control elements in chemical plant engineering
  • Machine tools
  • Industrial robots
  • Textile machines
  • Mining machines
  • Servomotors

Two stator windings, arranged offset by 90° in a cylindrical housing, enclose a rotor mounted in the housing with the rotor winding. This rotor winding inductively couples a signal into the stator winding. The phase position of this signal is a measure of the angular position of the rotor.

  • Wear-free operation
  • Insensitive to contamination
  • Cost effective compared to optical resolvers

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