Fuzzy expert system for controlling swamp terrain intelligent air-cushion tracked vehicle |
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Authors: | A Hossain A Rahman A K M Mohiuddin |
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Institution: | 1.Department of Mechanical Engineering, Faculty of Engineering,International Islamic University Malaysia (IIUM),Kuala Lumpur,Malaysia;2.Department of Mechanical Engineering, Faculty of Engineering,Universiti Industri Selangor (Unisel),Kuala Selangor,Malaysia |
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Abstract: | A fuzzy expert system was used in this study to control an intelligent air-cushion tracked vehicle (IACTV) as it operated
in a swamp peat terrain. The system was effective in controlling the intelligent air-cushion vehicle while measuring the vehicle
traction (TE), motion resistance (MR), power consumption (PC), cushion clearance height (CCH) and cushion pressure (CP). An
ultrasonic displacement sensor, pull-in solenoid electromagnetic switch, pressure-control sensor, microcontroller, and battery
pH sensor were incorporated into the fuzzy expert system (FES) to experimentally determine the TE, MR, PC, CCH, and CP. In
this study, we provide an illustration of how an FES might play an important role in the prediction of the power consumption
of the vehicle’s intelligent air-cushion system. The mean relative error in the actual and predicted values from the FES model
with respect to tractive effort, total motion resistance and total power consumption were found to be 5.58 %, 6.78 % and 10.63
%, respectively. For all parameters, the relative error in the predicted values was found to be less than the acceptable limit
(10%), except for the total power consumption. Furthermore, the goodness of fit of the predicted values was found to be close
to 1.0 as expected and, hence, indicates the good performance of the developed system. |
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