MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202641033074 A) filed by Kalpana Kamat on March 19, 2026, for System And Method For Detecting Plant Physiological Stress Using Multi-Modal Sensor Fusion And Mechanical Vibration Analysis.
Inventors include Kalpana Kamat; and Sanchit Kamat.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: A multi-modal smart plant stress detection and automated hydration system designed for pre-emptive water conservation in arid climates and fields. The system integrates a microcontroller unit (100) with a sensory array to infer botanical turgor loss prior to macroscopic tissue wilting. The array comprises an MPU6050 (102) for quantifying structural stiffness via mechanical vibration variance, thermal and environmental sensors (104, 106) for calculating Vapour Pressure Deficit (VPD), and a Light Dependent Resistor (108) bridge acting as an economical proxy for photosynthetically active radiation to enforce diurnal gating. Actuation of a galvanically isolated fluid-delivery Relay (110) is governed by a weighted majority-consensus logic requiring multiple physiological flag violations. To prevent terminal reservoir depletion, the system enforces a strict 3-cycle hydration limit and a 60-minute post-actuation hydraulic lockout, synchronising irrigation with biological hydraulic transit latency. (Reference: FIG. 1)
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