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Description: Fields tests for wheel loaders are costly, time-consuming, weather-dependent, and require highly-skilled operators to ensure providing constant volume of material delivered from each bucket. Some methods have been developed throughout the years to predict soil volume dug and transported by each bucket per cycle and its corresponding reaction forces. This poster presentation focuses on the validation of the simulated soil volume contained in a bucket as function of time during scooping of material. The simulated and actual soil volumes contained in the wheel loader buckets are compared using Discrete-Element Method (DEM), LIDAR, and 3D scanning technologies. The top surfaces of each soil surcharge pile in the bucket are determined from simulation and validated using data from LIDAR and 3D scanning. These surfaces are combined with the bucket geometry to create hollow shell model. These virtual hollow shell surfaces are then filled with DEM realistic particles to determine the volume created by the void between the top surface and the bucket cavity. Various properties of DEM soil particles were measured using physical material from testing site.

Keywords: Discrete-Element Method (DEM), Construction Equipment, Wheel Loader, LIDAR, 3D-Scanning
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Date: 2023-07-23
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Conference name: CSBE/SCGAB 2023 Annual Conference, Lethbridge, Alberta, 23-26 July 2023.
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Type: Poster
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Publication type: Text.Abstract
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Coverage: North_America
Language 1: en
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Rights: Canadian Society for Bioengineering
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