Servo control of a brush type 100-300W DC motor

Oatley Electronics (http://www.oatleyelectronics.com/bcorner.html ) selling low-cost, 100-200W brush type DC motors. They seems to be interesting and
they can be used on a mobile robot platforms if someone can drive them as servo motors. Is it possible (how) to use these motors ? Can someone recommend low-cost PID servo controller/driver with serial interface to drive these motors ?
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<Reiahgova Osgha> wrote in message

For speed control, pulse width modulation should work well. Try a google search.
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