SG90 Servo

grabcad

A servo motor is a specialized motor designed for precise control of position, speed, and torque. Servo motors are commonly used in applications requiring high levels of accuracy and repeatability, such as robotics, CNC machinery, and automation systems.Key Components of a Servo MotorMotor: Usually a DC or AC motor.Feedback Mechanism: Provides information about the motor's position, speed, and torque using devices like potentiometers, encoders, or Hall sensors.Control Circuit: Often a microcontroller or dedicated control board that regulates the motor's movement based on feedback.Power Supply: Provides the necessary electrical energy to operate the motor.Working PrincipleServo motors operate based on control signals, typically a PWM (Pulse Width Modulation) signal, which dictates the desired position, speed, and torque. The feedback mechanism continuously monitors the motor's actual status and sends this information back to the control circuit. The control circuit then makes any necessary adjustments to ensure the motor's output matches the desired input.ApplicationsRobotics: For precise movement and control of robotic arms and joints.Industrial Automation: In CNC machines and automated production lines.Aerospace: To control surfaces in aircraft and helicopters.Consumer Electronics: In RC (radio-controlled) vehicles, printers, and disk drives.Advantages and DisadvantagesAdvantages:High precision and accuracy.Excellent speed control capabilities.Continuous control with feedback.Disadvantages:Relatively high cost.Complex control systems are required.