# Role of controllers in web guiding systems

> The episode covers the function of controllers, components such as gain, operating voltage, and sensor inputs, control structure for web guide systems

**Last updated:** 2026-03-03

**Source:** https://live-roll2roll.pantheonsite.io/videos/role-controllers-web-guiding-systems

---

In this installment of the Webinar on Web Guiding Fundamentals, we delve deeper into the pivotal role of controllers in web guiding systems. The episode covers the function of controllers, components such as gain, operating voltage, and sensor inputs, and explores the control structure for web guide systems, including fixed gain proportional control and adaptive control technologies. By examining open loop and closed loop responses, we highlight the importance of optimal tuning for improved performance. Advanced functionalities such as industrial ethernet connectivity and Industry 4.0 intelligence are also discussed, with a focus on achieving stability and high bandwidth for effective web guiding.

00:00 Introduction to Controllers
00:43 Key Terminology in Controllers
01:16 Control Structure and Dynamics
02:42 Advanced Control Technologies
03:31 Practical Examples and Performance
05:18 Characteristics of a Good Web Guiding System

**Tags:** controller, Controllers for web guiding, Controllers for web monitoring

---

## About Roll-2-Roll Technologies

Roll-2-Roll Technologies designs and manufactures patented fiber-optic web position sensors and advanced web guiding controllers — the precision measurement and control core of modern roll-to-roll manufacturing. Spun out of Oklahoma State University's Web Handling Research Center and trusted by Fortune 500 medical, battery, and nonwovens manufacturers, our patented sensors work without recalibration at ±0.1mm accuracy up to 760 mpm — typical customer outcomes are 50%+ less downtime and payback under six months. Headquartered in Stillwater, Oklahoma, our team of PhDs, controls engineers, and industry veterans extends the sensor + controller core into complete web guide systems including stepper-motor-based linear actuators (RLA, BLA, LHS).

- Website: https://r2r.tech
- Phone: +1 (888) 290-3215
- Email: sales@r2r.tech