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Microcontroller-based Low-cost Seed Metering Module Retrofit on Cultivator

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Title Microcontroller-based Low-cost Seed Metering Module Retrofit on Cultivator
 
Creator Gautam, Prem Veer
Kushwaha, H L
Kumar, Adarsh
Khura, T K
Sarkar, S K
 
Subject Electronics
Mechatronics
Microcontroller
Precision planter
Rotary encoder Retrofit
Seed metering module
 
Description 180-188
Planting is one of critical operations in agriculture. Ground wheel drives conventional metering mechanism, and results
in improper placement of seeds because of skidding and vibration of the ground wheel. Electronically equipped seed
metering system in the planter have potential to reduces losses associated with friction and wheel slippage. In this study, a
retrofit type microcontroller based low-cost seed metering module was developed for commonly available cultivator.
Basically, it can be called as mechatronics due to combination of both electronics and mechanical components. Seed
metering plate’scell size was designed based on physical properties of black and green gram seeds. The microcontroller
controlled motor's speed through Pulse Width Modulation (PWM) based on a signal obtained from a rotary encoder
mounted on ground wheel. Under laboratory test, the developed module with a cell size of 5.5 mm found highest quality of
feed index of 90 % for green gram and 86 % for black gram when operated at speed of 1.56 km/h. Average plant to plant
distance was observed to be 6.73 cm, 6.55 cm for green and black gram during field evaluation. These observed spacing
were close to desired spacing (6.28 cm) which intended in the precision metering mechanism. A unit's cost is approximately
INR 2000. It facilitates sowing of pulse crop’s seeds without investing extra cost on purchasing separate planter required for
it. This retrofit type proposed module will make cultivator as a precision planter suitable for sowing different crops at a very
low cost.
 
Date 2023-03-06T10:52:39Z
2023-03-06T10:52:39Z
2023-03
 
Type Article
 
Identifier 0971-4588 (Print); 0975-1017 (Online)
http://nopr.niscpr.res.in/handle/123456789/61490
https://doi.org/10.56042/ijems.v1i1.45765
 
Language en
 
Publisher NIScPR-CSIR,India
 
Source IJEMS Vol.30(1) [February 2023]