MUMBAI, India, Feb. 27 -- Intellectual Property India has published a patent application (202641017447 A) filed by Vallurupalli Nageswara Rao Vignana Jyothi Institute Of Engineering and Technology, Hyderabad, Telangana, on Feb. 17, for 'rfid guided autonomous agricultural robot with real-time weed detection and selective localized pesticide spraying system.'

Inventor(s) include Dr. Haritha Mittapally.

The application for the patent was published on Feb. 27, under issue no. 09/2026.

According to the abstract released by the Intellectual Property India: "An autonomous selective pesticide spraying robot system is disclosed for precision agriculture. The system includes a mobile robotic chassis (100) driven by DC motors through a motor driver module (110) and controlled by a controller unit (120) comprising an ESP32. An RFID navigation subsystem (130) having passive RFID tags and an RFID reader guides field movement by mapping tag identifiers to motion commands without GPS. An imaging subsystem (140) captures real-time field images which are processed by a weed/pest detection processor (150) using computer vision and/or lightweight machine learning to produce a detection output with confidence. Upon detection exceeding a threshold, the controller unit (120) pauses or slows the chassis (100) and actuates a relay module (170) to activate a spraying subsystem (160) comprising a reservoir, pump, conduits and spray nozzle for localized spraying. Spraying is applied only to detected infestation regions and navigation resumes thereafter, thereby reducing chemical usage and enabling autonomous field operation."

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