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Subverting the past, a new generation of brushless motors, servo motors
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What are the main aspects of the high requirements of the robot for the servo motor
1. Servo motor is required to have fast response. The time from obtaining the command signal to the working state required by the instruction should be short. The shorter the response time to the command signal, the higher the sensitivity of the electric servo system, and the better the fast response performance.
2. The starting torque inertia ratio of the servo motor is larger. In the case of driving load, the starting torque of the servo motor of the robot is required to be large and the moment of inertia is small.
3. The servo motor should have the continuity and linearity of the control characteristics, with the change of the control signal, the speed of the motor can change continuously, and sometimes the speed needs to be proportional or approximately proportional to the control signal.
4. In order to match the body shape of the robot, the servo motor needs to be small in size, small in mass, and short in axial size.
5. It can withstand harsh operating conditions, can carry out very frequent forward and reverse and acceleration and deceleration operations, and can withstand several times of overload in a short time. AC servo drives are widely used in industrial robots because of their advantages such as high torque-moment moment of inertia ratio, no brushes and commutation sparks.
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