Control system for stopping or reversing movement of an irrigation system

This invention describes a safety system for large irrigation machines that move across fields. It uses an inductive sensor, suspended below the machine, to detect a metallic marker placed on the ground. When the sensor spots the metal marker, it signals the machine's control system to either stop its movement or reverse direction.

Why it matters: Since 2011, the cost of basic electronic control systems and inductive sensors has significantly decreased. This makes a robust, simple automation solution more economically viable for agricultural applications today.

Status: ExpiredProtection ended and was never renewed
How hard to build: ModerateInductive sensor, control logic, mounting bracket

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