Decoding the Perfect Match: Servo Motor
Duron Industries specializes in motion control design and manufacturing for robotic systems and has successfully built projects in aerospace and antenna measurements. With each project, we take time to ensure our clients understand the requirements during the design concept and why our experts choose a servo motor to enhance your application.
Advice from Duron Industries leading motor expert
My suggestion is to use a servo motor when the project requires additional feedback control and accurate positioning with higher torque and acceleration. The high-performance level and versatility make servo motors indispensable in modern industries and diverse, evolving applications.
Despite its broad use, the most common use of servo motors is in robotic systems because of their precise control of various axis movements and the positioning end-effect. Another popular use is in automotive systems to control the engine speed. These critical functions send electrical signals from the acceleration pedal to the ECU which processes this information for the throttle servo motor. Many motion control systems with servo motors have continued to refine and expand their high-performance capabilities for many applications and industries over the past 60 years.
Industries
Aerospace
Medical
Manufacturing
Automotive
Semi-Conductor
Applications
Robotic Systems
Motion Control
Medical Devices
Industrial Automation
CNC Machining
Laser Optics Control
Camera Stabilization
Engine Control
Key Features and Operating Principles
Servo Motor System
The key elements of a servo motor include a Motor, Driver, and Encoder. A servo motor is typically powered by DC systems, but some applications require AC power for better performance.
Feedback System
The key feature of a servo motor is its closed-loop feedback system. The Encoder (feedback device) continuously monitors the motor's actual position and compares it to the desired position. The encoder provides this information to the control system.
Control System
The control circuit (controller/driver) receives feedback information and sends control signals to the motor to adjust. The goal is to minimize the difference between the desired and actual positions. The driver processes the feedback information and sends signals to the motor to adjust its position, speed, or acceleration.
Gear System
Many servo motors include a gear system that reduces the speed of the motor while increasing torque, providing precise control over the output shaft.
PID Control
Proportional-Integral-Derivative (PID) control algorithms are commonly used in servo systems to fine-tune the motor's performance.
Benefits Outweigh the Limitations
Servo motors offer many impressive benefits, however, these features also make it a more complex system.
Advantages
Precise Control
High Accuracy
Closed-loop Control
High Torque and Speed
Fast Response Time and Adjustment
Low Heat & Resistance
Integrates with Variable Load Systems
Limitations
Complex Control System
Higher System Cost
Power Consumption
Servo motors provide high precision, dynamic control, and accurate controlled motion which makes them integral to various industries and applications. These advantages are important for choosing the right motor type for your project.
Would you like to know more about Motors? We are preparing the next post in this series now. In the meantime, please check the Duron Industries web page.
Already have a project in mind? Request a quote from our experts to get you started on your next project.
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