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DC motors and DC motor controllers from Maxon Motors have been utilised in the build of the Pegasus, an autonomous robot developed by the Swiss Federal Institute of Technology Zurich that has legs that can gallop like a horse.

The robot’s telescopic legs allow it to move across vast distances; they are designed for moving in a dynamic trot and are said to achieve high performance with low energy consumption.

In each leg, a Maxon RE40 DC motor drives the spindle responsible for extending and retracting the leg. An EC-4pole DC brushless motor controls the rotational degree of freedom in the hip module. The 200DC brushless motor allows the entire leg to turn.

Two positioning motor controllers are used to control Pegasus: the EPOS 24/2 controller, which controls additional sensor interfaces; and the EPOS2 70/10 controller.

Key benefits of product application

  • Winding technology and four-pole magnets help the Maxon EC-4pole drives deliver high power per unit of volume and weight.
  • The motors have no clogging torque, efficiency of more than 90 per cent and good control dynamics.
  • The motors’ metal housing ensures good heat dissipation and mechanical stability.
  • The motors also offer good service life.

maxon motor is the world’s leading supplier of high-precision drive systems.

maxon has earned a reputation for constant innovation and unflinching reliability – seeing the company’s products used by the world’s top engineers in fields as demanding as space exploration, formula 1 racing and sub-sea applications.

The maxon product range is developed on a modular basis, giving literally hundreds of thousands of perfectly compatible motor, gear and controller combinations to suit a huge array of applications. With full customisation possible for almost every product, maxon’s experienced sales engineers are on-hand to assist design engineers select precisely the right solution for their needs.

DC motors with ironless winding and flat motors (up to 500W output power, mechanical and electronic commutation).
Planetary, spur and special gears.
Sensors (encoders, DC tachos, resolvers).
Servo amplifiers, position controllers.
High-tech CIM and MIM components.
Customer specific drive solutions.

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