About
Among the most troubling tasks in machine building can be tuning the servo system to meet or exceed the performance specification. Invariably, we have all sat at the machine and asked ourselves, “What three numbers should I put in this proportional-integrated-derivative (PID) controller?” However, when tuning, it is not always about the PID gains. Many other factors affect the tuning and can be changed to improve the machine performance.

This webcast will discuss aspects of controller design, including control loop structures, controller characteristics and using frequency-based tools for gain selection and machine characterization. This will be presented in two parts.
Part two will cover more advanced frequency domain usage, including different frequency responses (plant, inverse feedforward and sensitivity) and dealing with non-linearity, such as small signal analysis and friction.
Presenters
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Dr. Joseph Profeta
Director, Controls Systems Group - Aerotech Inc.
Dr. Profeta has more than 30 years of experience in technology-driven companies. He is the Director of the Controls System Group at Aerotech with P&L responsibility for the controls, drives and motors. In this role, he works with companies to design and select control system architectures that result in increased machine performance while minimizing component cost. He has earned a BS, MS, Ph.D., and Executive MBA. He has been awarded five patents and published 43 papers. Dr. Profeta is also an adjunct professor in the Electrical and Computer Engineering department at the University of Pittsburgh where he teaches Software Engineering and Mechatronics.
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Paul Fanning
Editor - Eureka! Magazine
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