Recent developments in terrain identification, classification, parameter estimation for the navigation of autonomous robots

MGH Nampoothiri, B Vinayakumar, Y Sunny… - SN Applied …, 2021 - Springer
The work presents a review on ongoing researches in terrain-related challenges influencing
the navigation of Autonomous Robots, specifically Unmanned Ground ones. The paper aims …

Modeling granular material dynamics and its two-way coupling with moving solid bodies using a continuum representation and the SPH method

W Hu, M Rakhsha, L Yang, K Kamrin… - Computer Methods in …, 2021 - Elsevier
We outline a continuum approach for treating discrete granular flows that holds across
multiple scales: from experiments that focus on centimeter-size control volumes, to tests that …

Combined fuel consumption and emission optimization model for heavy construction equipment

M Masih-Tehrani, S Ebrahimi-Nejad… - Automation in …, 2020 - Elsevier
In this paper, a novel optimization model is developed for heavy construction equipment.
This approach investigates a complete range of engine operating points, considering fuel …

A unified equation for predicting gross traction for wheels on clay over a range of braked, towed, and powered operations

GL Mason, F Vahedifard, TJ Caster, JD Priddy - Journal of Terramechanics, 2022 - Elsevier
A characteristic curve is presented for predicting gross traction of a wheel over a range of
powered, towed, and braked modes on clay soils for slip ranging from positive 100 …

A unified equation for predicting traction for wheels on sand over a range of braked, towed, and powered operations

GL Mason, JM Williams, F Vahedifard… - Journal of Terramechanics, 2018 - Elsevier
Vehicle traction between the wheel and the ground surface is a critical design element for on-
road and off-road mobility. Adequate traction in dry sand relates to the vehicle's ability to …

Improved sinkage algorithms for powered and unpowered wheeled vehicles operating on sand

GL Mason, F Vahedifard, JD Robinson… - Journal of …, 2016 - Elsevier
Modeling and simulation of vehicles in sand is critical for characterizing off-road mobility in
arid and coastal regions. This paper presents improved algorithms for calculating sinkage …

Development of a multi-year database to assess off-road mobility algorithms in fine-grained soils

F Vahedifard, JM Williams, GL Mason… - … journal of vehicle …, 2017 - inderscienceonline.com
A gap in off-road mobility is the availability of the test data necessary for the development
and validation of tyre, track and soil models. This paper presents the results from a multi …

Mobility guidance for tracked vehicles on fine-grained soil from historical full-scale test data in DROVE 2.0

JM Williams, F Vahedifard, IL Howard… - Journal of …, 2019 - Elsevier
With over 8000 field and laboratory tests, the Database for Off-Road Vehicle Environments
(DROVE) provides a consolidated database of parameters for the assessment of tracked …

New algorithms for predicting longitudinal motion resistance of wheels on dry sand

JM Williams, F Vahedifard… - The Journal of …, 2019 - journals.sagepub.com
Predicting the resisting forces against a vehicle's wheel during movement in loose sand is
critical for optimizing tractive capabilities in desert regions, sand dunes, and beaches. We …

非道路车辆轮胎-土壤相互作用建模方法及试验技术综述.

谢斌, 罗振豪, 宋正河, 温昌凯… - Transactions of the …, 2022 - search.ebscohost.com
轮胎-土壤相互作用研究是非道路车辆地面力学发展的重要基础, 其中轮胎-
土壤试验技术和轮胎建模方法对非道路车辆驱动系统设计, 驱动算法开发以及整车牵引性能评估 …