DEVELOPMENT OF WIND AND SOLAR POWERED BIRD REPELLER
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Date
2019
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DEPARTMENT OF FARM MACHINERY AND POWER ENGINEERING COLLEGE OF AGRICULTURAL ENGINEERING AND TECHNOLOGY ANAND AGRICULTURAL UNIVERSITY, GODHRA
Abstract
Crops production and grain efficiency decreases due to poor maintenance of the farm and pest attack. Birds eat sown grains which considering decreases plant population, hence other all production. Wind and solar powered bird repeller was best solution for small and marginal farmers to protect farm from bird. A solar and wind powered bird repeller was developed in this study to small and marginal farmers, It consisted of two units, in which one was wind powered and other one was solar powered. The wind powered system consisted of wind vane, bearing, mirror reflector and reflecting plastic material. Wind powered unit has been developed based on reflection principle to scare bird by disturbance through sun light. Solar powered system consisted of solar panel, battery, wires, dc motor, solar charge controller, Microcontroller (Node MCU), L298N motor driver, relay, metal plates. The Node Microcontroller (Node MCU) controlled the time interval of the repeller and also control the system was switching on and off through the Wi-Fi. To evaluate the performance of developed wind and solar powered bird repeller, first of all testing reflection unit tested to scare bird, and it was effective for small birds like pigeons, sparrows, crow, myna etc. After that, evaluated the performance of the bird repeller sound level at different distance with different materials (stainless steel, bronze, brass), with different rpm (300,200,100) and different repeller height (6ft, 8ft, 10ft). The maximum sound level recorded at 1 m distance was 121.6 dB (stainless steel), 116.2 dB (bronze), 114.5 dB (brass) and different materials with 300 rpm of motor, 10ft height.