Analysing the Effect of Chassis Torsional Flexibility on the Rollover Threshold of a Multi-Purpose Agricultural Vehicle
Abstract
:1. Introduction
2. Materials and Methods
2.1. Reference Vehicle Description
2.2. Experimental Measurements Methodology
3. Vehicle Multi-Body Model
3.1. Vehicle Chassis Model
3.2. Vehicle Suspensions Model
3.3. Vehicle Tires Model
3.4. Modelling of Vehicle Unsprung Masses
4. Model Validation
4.1. Vehicle Model Mass Distribution Validation
4.2. Validation of the Vehicle Model Dynamics
5. Results and Discussion
5.1. Static Numerical Simulations Results
5.2. Dynamic Numerical Simulations Results
6. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Dimension | Value | Unit |
---|---|---|
Wheelbase | 2045 | mm |
Front-wheel track | 1385 | mm |
Rear-wheel track | 1400 | mm |
Front-tire size | 225/75 R16 | |
Rear-tire size | 225/75 R17.5 | |
Overall length | 4060 | mm |
Overall width | 1690 | mm |
Unloaded vehicle mass | 2450 | kg |
Payload | 2500 | kg |
Sensor Type | Full Scale | Sensitivity | Unit |
---|---|---|---|
loading cells | 12,000 | ±5 | kg |
laser transducers | 30 | ±0.1 | mm |
accelerometers | ±250 | ±0.00025 | g |
Dimension | Experimental Measurement | Numerical Model | ||
---|---|---|---|---|
Loaded | Unloaded | Loaded | Unloaded | |
lateral distance from the longitudinal axis (positive left) (mm) | 23 | 20 | 19 | 20 |
height from the ground (mm) | 701 | 754 | 705 | 760 |
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Belloni, M.; Vignati, M.; Sabbioni, E. Analysing the Effect of Chassis Torsional Flexibility on the Rollover Threshold of a Multi-Purpose Agricultural Vehicle. Vehicles 2024, 6, 415-432. https://doi.org/10.3390/vehicles6010018
Belloni M, Vignati M, Sabbioni E. Analysing the Effect of Chassis Torsional Flexibility on the Rollover Threshold of a Multi-Purpose Agricultural Vehicle. Vehicles. 2024; 6(1):415-432. https://doi.org/10.3390/vehicles6010018
Chicago/Turabian StyleBelloni, Mattia, Michele Vignati, and Edoardo Sabbioni. 2024. "Analysing the Effect of Chassis Torsional Flexibility on the Rollover Threshold of a Multi-Purpose Agricultural Vehicle" Vehicles 6, no. 1: 415-432. https://doi.org/10.3390/vehicles6010018