Multi-wheel drive vehicle energy/fuel efficiency and traction performance: Objective function analysis

Vantsevich, Vladimir V.

doi:10.1016/j.jterra.2007.03.003

Cited by 35 publications

(18 citation statements)

References 17 publications

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“…Kinematic mismatch coefficient is the term used to describe the ratio between theoretical speeds of different axles' driving wheels (Szente 2005;Vantsevich 2007; Ż ebrowski 2010):…”

Section: Theoretical Analysismentioning

confidence: 99%

“…However, the simple addition of a driving axle can drastically increase fuel consumption and negatively impact the overall vehicle dynamics and performance. The problem is that the performance of multi-wheel-drive vehicles depends on the distribution of the engine power among the driving axles, and also left and right wheels of each axle (Vantsevich 2007;Vantsevich, Gray 2009;Ż ebrowski 2010). Power distribution between the wheels is determined by the vehicle's driveline systems, which consist of a set of power dividing units.…”

Section: Introductionmentioning

confidence: 99%

“…Many researchers are of the opinion that, for example, the use of two driving axles instead of one unalterably increases the vehicle's fuel consumption, irrespective of the parameters of power dividing units and of driving conditions (Vantsevich 2008;Stoilov, Kostadinov 2009;Vantsevich, Gray 2009). The researchers' main argument usually is that by providing motion to the driving components of the additional driving axle, higher power consumption is required (Zoz, Grisso 2003;Vantsevich 2007). A distinctive feature of vehicles with four or more driving wheels is that fuel efficiency and mobility depends not only on the total power applied to all the driving wheels, but also on the distribution of total power among the wheels.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Power circulation in driveline system when the wheels of tractor and trailer are driven

Janulevičius

Pupinis

2013

Transport

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In off-road ''tractorÁtrailer'' vehicle combinations, the trailer can be equipped with one or more driving wheels. The distinguishing feature of vehicles with two or more driving axles is distribution of total power between the driving wheels. In machines with several driving axles, kinematic mismatch between theoretical wheel speeds nearly always takes place. The wheels of tractor and trailer can slip uniformly and differently, some of them may even slide. It is unfortunate when the wheels slide, as power circulation takes place. In this paper, power circulation of a vehicle composed of a tractor and trailer having driving wheels and driving wheels' interaction with soil is investigated. The conclusion is that in a vehicle composed of two machines having two driven axles each, circulation of power can be avoided or reduced by turning off one driving axle in the machine, which delivers more power and has advancing driving wheels.

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“…Kinematic mismatch coefficient is the term used to describe the ratio between theoretical speeds of different axles' driving wheels (Szente 2005;Vantsevich 2007; Ż ebrowski 2010):…”

Section: Theoretical Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Power circulation in driveline system when the wheels of tractor and trailer are driven

Janulevičius

Pupinis

2013

Transport

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“…A study including mathematical analysis, computational results, and experimental data related to the multi-wheel drive vehicle energy/fuel efficiency and vehicle tractive and velocity operational properties evaluation was carried out based on power distributions to the drive wheels [5]. This led to another study to assess and provide energy and, accordingly, fuel efficiency of multi-wheel drive vehicles [6], and it was concluded that the energy efficiency relies on the distribution of power between the wheels which affects not only the vehicle's slip efficiency, but also the mechanical efficiency of the driveline system that should be taken into account in design [6].…”

Section: Introductionmentioning

confidence: 99%

A comparative study between artificial neural networks and support vector regression for modeling of the dissipated energy through tire-obstacle collision dynamics

Taghavifar

Mardani

Maslak

2015

Energy

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“…Exceptions to the 'equal-slip' rule occur in unusual circumstances, and the deviations are small. 11 With regard to turning vehicles the theoretical development of cooperative redundancy is well ahead of practice. Despite the amount of work that has been carried out on the tractive performance of vehicles travelling in a straight line, little has been reported on turning vehicles.…”

Section: Introductionmentioning

confidence: 99%

Vehicles with cooperative redundant multiple steering systems: alternative driver interfaces

Spark

Percy

2014

Proceedings of the Institution of Mechanical Engineers, Part D:

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This paper presents the results of calculations of the wheel angles and the drive wheel speeds to ensure that the steering effect of the wheel angles and the steering effect of the speeds of the drive wheels are identical. These calculations are general insofar as the centre of curvature of the path of the centre of the vehicle can lie anywhere in the 'horizontal' plane, including within the plan view of the vehicle. These minimal turning circles at times require large wheel angles and large differences in the drive wheel speeds. When the driver selects a centre of curvature inside the rectangle defined by the wheelbase and the track, problems arise owing to the multiple solutions of the arctan function. This problem is solved so that flipping of the wheels through 180°is avoided. Similar problems can arise in the calculation of the correct wheel speed because of the ambiguity of the square root function, which has both positive and negative roots. This problem is also solved. Alternative driver interfaces are described in detail. Vehicles with cooperative redundant multiple steering systems promise safety benefits relative to vehicles with a single non-redundant steering system and environmental benefits relative to vehicles with conflicting redundant multiple steering systems. The safety benefits result from increased traction, stability and manoeuvrability (especially on hills). The environmental benefits include reduced ground damage, tyre wear and fuel wastage on turning. These vehicles would be used to best advantage as extreme off-road vehicles. The general case of vehicles described is capable of both pure rotation and pure translation in any direction, and all motion in between. This maximized manoeuvrability also makes the system ideal for vehicles operating in confined spaces, such as forklift trucks.

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Multi-wheel drive vehicle energy/fuel efficiency and traction performance: Objective function analysis

Cited by 35 publications

References 17 publications

Power circulation in driveline system when the wheels of tractor and trailer are driven

Power circulation in driveline system when the wheels of tractor and trailer are driven

A comparative study between artificial neural networks and support vector regression for modeling of the dissipated energy through tire-obstacle collision dynamics

Vehicles with cooperative redundant multiple steering systems: alternative driver interfaces

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