Abstract
For off-road vehicles such as excavators and wheel loaders, a large portion of energy is consumed to overcome the soil resistant force in the digging process. For optimal control of the digging tool, a high-fidelity model of the soil-tool interaction force is important to reduce energy consumption. In this paper, an on-line soil resistant force prediction method is proposed. In this method, a hybrid model, which combines a physical model and a data-driven model, is used for the force prediction. In addition, the parameters of the hybrid model can be updated on-line based on real-time data. Comparisons with experimental data demonstrate that the proposed prediction method has an average error of around 12.7%.
| Original language | English (US) |
|---|---|
| Title of host publication | IFAC-PapersOnLine |
| Editors | Marcello Canova |
| Publisher | Elsevier B.V. |
| Pages | 133-138 |
| Number of pages | 6 |
| Edition | 3 |
| ISBN (Electronic) | 9781713872344 |
| DOIs | |
| State | Published - Oct 1 2023 |
| Event | 3rd Modeling, Estimation and Control Conference, MECC 2023 - Lake Tahoe, United States Duration: Oct 2 2023 → Oct 5 2023 |
Publication series
| Name | IFAC-PapersOnLine |
|---|---|
| Number | 3 |
| Volume | 56 |
| ISSN (Electronic) | 2405-8963 |
Conference
| Conference | 3rd Modeling, Estimation and Control Conference, MECC 2023 |
|---|---|
| Country/Territory | United States |
| City | Lake Tahoe |
| Period | 10/2/23 → 10/5/23 |
Bibliographical note
Publisher Copyright:Copyright © 2023 The Authors.
Keywords
- Off-road vehicle
- data-driven model
- fundamental earthmoving equation
- soil-tool interaction forces
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