Custom Slack-Sensing Wheel Mechanism

I need a custom wheel designed to assist in removing protective plastic film from roofing coils while passing through a punch machine. The wheel should automatically sense slack using load sensors or something similar and start spinning to help peel off the film.

Requirements:
- Ability to sense and adjust to slack
- Automatic start based on sensor input
- Interaction with plastic material

Ideal Skills and Experience:
- Mechanical engineering
- Experience with load sensors
- Prototyping and custom machinery development

Photos can be provided upon request. Open to innovative ideas and solutions.