Webinars

Upcoming webinar: Digital feedback control loops in the frequency domain (Asia-Pacific)

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Webinar details

Date: May 9 | 3 p.m. AEST | 2 p.m. JST/KST |
1 p.m. SST | 10:30 a.m. IST | 5 p.m. NZST

Speaker: Jobin Valliyakalayil
Applications Engineer, Liquid Instruments 

Overview

Feedback control systems are omnipresent across all scientific fields. Researchers use them to simplify complex systems and focus on the most critical aspects of their work. In industrial settings, control loops help to increase efficiency, reduce waste, and ultimately boost profits.

In this presentation, you’ll learn the essentials of feedback control loops as described in the frequency domain. Beginning from the fundamental ideas of transfer function and frequency response, you will see how to construct complex systems from basic building blocks. Then, you’ll learn how to analyze their performance in terms of reference tracking and disturbance rejection, while focusing on loop stability.

To conclude the discussion, we’ll use reconfigurable, FPGA-based instrumentation to demonstrate a feedback control loop. Join us to see how the all-digital, software-defined framework enables swift parameter changes with integrated characterization and measurement tools that ensure design goals can be quickly achieved. A live Q&A session will follow the presentation. 

What you’ll learn:

  • Learn about the theory of control loops in the frequency domain.
  • Discover how an FPGA-based PID Controller can offer a complete, closed-loop control system in one device.
  • See how a digital control loop can speed up iteration compared to analog circuits.

Who should attend:

  • Semiconductor and IC engineers optimizing process control and automated test setups
  • Control system designers seeking FPGA-based solutions for industrial automation and robotics
  • Academic researchers working with laser and cavity stabilization 
  • Students wishing to learn more about techniques and instrumentation
Meet the presenter

Jobin Thomas Valliyakalayil is an applications engineer at Liquid Instruments, providing technical support to customers in Asia-Pacific markets. With a strong background in digital systems and FPGA design, he has worked extensively on designing and optimizing real-time feedback loops for stabilization of lasers to be used for the LISA mission, a space-based gravitational wave detector. Jobin’s Ph.D. is in physics for his research on LISA. Prior to his Ph.D., he completed master’s of engineering at the Australian National University and a BTech at NITK with majors in electronics and communication engineering.

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