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Development of Electro-Hydraulic Hitch Control System through Lower Link Draft Sensing of a Tractor

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Title Development of Electro-Hydraulic Hitch Control System through Lower Link Draft Sensing of a Tractor
 
Creator Singha, Partha Sarathi
Kumar, Avinash
Sarkar, Sudipto
Baishya, Sauryajyoti
kumar, Pradeep
 
Subject Draft Control
Lower links
Operating depth
Simulink
Three-point hitch
 
Description 384-392
Three-point linkage plays an important role in controlling tillage implements with the hydraulic system of the tractor
which includes draft control too. With increase in the usage of electronics and instrumentation in agriculture, the need was
to upgrade the present mechanical hydraulic system of the tractor with electrohydraulic hitch control system (EHH) for
better performance. The selection of draft sensing media was at the lower links for better sensitivity. The EHH control
system through lower link draft sensing was developed using draft sensors, a control panel for user input and a controller
with usage of MATLAB Simulink as an application software. Developed system was tested infield using duck foot
cultivator and instrumentation like angle sensor, data acquisition and data logger were used for data capturing. The test
results showed that for a change in set draft of 1500N, the system response time and change in depth of operation were 1.3s
and 5 cm respectively. Whereas, for change in set draft of 500N the system response time was 0.9 s and change in depth of
operation was 4 cm. For the conducted test, the variation in depth of operation was limiting to ±3.1 cm. The results
concluded a direct relationship of change in set draft with system response time and change in operating depth. This study
provides an overview of developing an EHH system through lower link draft sensing, as well as details of system
architecture, control algorithm, MATLAB Simulink code, components used and the methodology and instrumentation
technique for testing the same.
 
Date 2022-04-05T11:42:34Z
2022-04-05T11:42:34Z
2022-04
 
Type Article
 
Identifier 0975-1084 (Online); 0022-4456 (Print)
http://nopr.niscair.res.in/handle/123456789/59435
 
Language en
 
Publisher NIScPR-CSIR, India
 
Source JSIR Vol.81(04) [April 2022]