Research on Inspection Method of Dynamic Load of Truck by Using EWT

Guiqing Zhao
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Guiqing Zhao: Department of Mechanical and Electrical Engineering, Liaocheng University Dongchang College, Shadong Province, China

International Journal of Information Systems and Supply Chain Management (IJISSCM), 2018, vol. 11, issue 1, 49-64

Abstract: The article provides a new method for dynamic real-time detection of vehicle loads, and a useful technical reference for further improving the driving safety of the vehicle. The dynamic monitoring of vehicle load is of great significance to stable driving. In order to resolve this problem, we present an algorithm that can calculate vehicle load on the basic of empirical mode transform (EWT) and a corresponding vehicle load dynamic testing platform. The relationship between the vehicle load and the suspension variables is the foundation of realizing load detection. To obtain it, we establish a two-degree-of freedom suspension dynamic model and analyze the dynamic characteristics of the suspension under various vehicle speeds and loads. We design a dynamic load detection device with overload protection to collect the dynamic signal of vehicle. The data processing algorithm of the vehicle load dynamic detection device is constructed based on EWT. In order to verify the effectiveness of the device, a model truck is taken as the test vehicle. Based on the DSP chip, the vehicle load dynamic testing platform is developed. In order to test the accuracy of the system, the calculation accuracy of the system is tested with different load at different speeds. The experimental results show that the system exhibits a high accuracy in the measurement experiment.

Date: 2018
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