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http://dx.doi.org/10.7471/ikeee.2020.24.1.33

Development of a Load Measurement System for Vehicles using Tire Pressure System Technology  

Park, Jae-Hyun (Dept. Electronic Engineering, Hanbat National University)
Lee, Seung-Ho (Dept. Electronics&Control Engineering, Hanbat National University)
Publication Information
Journal of IKEEE / v.24, no.1, 2020 , pp. 33-39 More about this Journal
Abstract
In this paper, we propose the design technique of the vehicle's load weight measuring system using tire pressure, which is one of the physical elements of tires. The proposed technique consists of four processes: noise correction by load and vibration, gas flow correction, data mixer and weight conversion. Noise correction by load and vibration eliminates noise that increases the tire's internal pressure due to external shocks and vibrations produced by the vehicle while it is in motion. In the gas flow correction process, the noise of the internal pressure of the tire is increased due to the temperature rise of the ground with respect to the data obtained through the noise correction process due to the load and vibration. In the data mixer process, the load and pressure on the tolerances the empty, median and the full load are classified according to the change in pressure of the tire that is delivered perpendicular to the tire in the event of cargo. In the weight conversion process, weight is expressed by weight through weight conversion algorithms using noise correction results by load and vibration and gas flow correction. The weight conversion algorithm calculates the weight conversion factor, which is the slope of the linear function with respect to the load and pressure change, and converts the weight. In order to evaluate the accuracy of the loading weight measurement system of the vehicle using the tire pneumatic system technique proposed in this paper, we propose the design technique of the vehicle's load weight measuring system using tire pressure, which is one of the physical elements of tires.. Noise correction results by load and vibration and gas flow data correction results showed reliable results. In addition, repeated weight precision test showed better weight accuracy than the standard value of 90% of domestic companies.
Keywords
Noise Correction; Gas Flow Correction; Data Mixer; Weight Conversion; Tire Pressure System;
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