SERVO CONTROL FACTS - Baldor.com

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SERVO CONTROL FACTSA HANDBOOK EXPLAININGTHE BASICS OF MOTIONBALDOR ELECTRIC COMPANYMN1205TABLE OF CONTENTSTYPES OF MOTORS . . . . . . . . . . . . . . 3 OPEN LOOP/CLOSED LOOP . . . . . 9WHAT IS A SERVO . . . . . . . . . . . . . . 11COMPENSATION . . . . . . . . . . . . . . . 13TYPES OF CONTROLS . . . . . . . . . . . 15TYPES OF FEEDBACK DEVICES . 17TYPES OF ACTUATORS . . . . . . . . . . 22 Page 2Page 3Servo CONTROL FactsTYPES OF MOTORSThe direct current (DC) motor is one of the first machines devised to convert electrical energy tomechanical power. Its origin can be traced to machines conceived and tested by Michael Faraday,the experimenter who formulated the fundamental concepts of electromagnetism. These conceptsbasically state that if a conductor, or wire, carrying current is placed in a magnetic field, a force willact upon it.

Page 3 Servo Control Facts TYPES OF MOTORS The direct current (DC) motor is one of the first machines devised to convert electrical energy to mechanical power.

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