Design Guide on DC & Servo Drives

June 2, 2025

Servo and DC drives are core components in modern motion systems, influencing speed, torque, and control precision across industrial applications.

This Design Guide provides engineers with a clear, comparative view of drive technologies—covering analog vs. digital systems, pulse-width modulation (PWM) vs. linear amplification, and centralized vs. distributed architectures.

It also explores tuning strategies, feedback integration, and the expanding role of universal drives in diverse motor types and machine configurations.

Figure 1. ElectroCraft CompletePower Plus Universal Drives

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ElectroCraft

ElectroCraft, Inc. is a global provider of dependable, application-engineered fractional-horsepower motor and motion products.

With over 60 years of operation, they have developed a comprehensive product line of motion control products including AC motors, PMDC motors, brushless DC motors, stepper motors, servo motors, gearboxes, gearmotors, linear actuators, drives and servo drives and integrated motor drives.

ElectroCraft products have been successfully integrated into several different applications in medical equipment, laboratory, mobile robotics, semiconductor, agricultural and industrial automation. More information about ElectroCraft and their CompletePower Plus Universal Drive systems can be found on their website.