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The Impact Of Tyre Characteristics On The Braking And Steering Performance Of Commercial Vehicles
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Sector:
Event:
22nd FISITA Congress
Language:
English
Abstract
The tyre, as a link between vehicle and road, is an essential component to which great attention is paid when new vehicle concepts are being developed. The main criteria required of commercial vehicles are economy, safety and comfort- Increasing importance, as far as handling of commercial vehicles is concerned, is attached to the frictional behaviour of tyres. The influence of typical parameters, such as wheel load, road speed, inflation pressures of tyres, tyre tread depth and road surface as well as the effect of the scattering of the coefficient of adhesion of the different tyre makes are shown by means of steady-state and dynamic measurements. The directional control behaviour of a heavy commercial vehicle is analyzed with the aid of a simulation system developed by Mercedes-Benz. This includes computer-controlled test stands for tyres, brakes and axle kinematics as well as programmes for simulating the dynamics of a vehicle making use of the measured characteristics. In order to compare fluctuations in vehicle handling as a result of varying the tyre parameters, ISO test procedures, such as “Steady State Circular Test”, “Braking in a Turn” and “Lateral Transient Response Test”, are applied and the results obtained are commented on.
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Authors
Topic
Citation
Göhring, E. and Von Glasner, E., "The Impact Of Tyre Characteristics On The Braking And Steering Performance Of Commercial Vehicles," SAE Technical Paper 885108, 1988, https://doi.org/10.4271/885108.Also In
References
- Göhring, E. Zukünftige Entwicklungstendenzen in der Nutzfahrzeug-Reifentechnik aus der Sicht des Fahrzeugherstellers (Tendencies in Future Development of Tyre Technology as seen by the Commercial Vehicle Manufacturer) Automobil-Industrie 29 3 345 351
- Göhring, E. Truck- and Bus Wheels and Tyres - Requirements for the Next Decade. IME-Congress “Automobile Wheels and Tyres” Sutton Coldfield, Great Britain 1983
- Göhring, E. von Glasner, E.C. Pflug, H.-C. Beitrag zum Fahr- und Bremsverhalten von Nutzfahrzeugen (Contribution to Handling and Braking Behaviour of Commercial Vehicles) Automobil-Industrie 31 1986 3 277 186
- Mischke. A. Göhring, E. Wolsdorf, P. von Glasner, E.C. Contribution to the Development of a Concept of Driving Mechanics for Commercial Vehicles SAE-Paper 830643 1983
- Pflug, H.-C. Optimierung fahrdynamischer Eigenschaften von Nutzfahrzeugen mit Hilfe eines Simulationssystems (Optimization of Driving and Braking Performance of Commercial Vehicles with the Aid of a Simulation System) VDI-Berichte 1986 613 93 100
- Göhring, E. Wolsdorf, P. von Glasner, E.C. Evaluation of the Brake Force Distribution and Its Influence on the Braking Performance of Light Commercial Vehicles SAE-Paper 800523 1980
- von Glasner, E.C. Computer and Test Stand-Assisted Simulation of Handling and Braking Characteristics of Commercial Vehicles. IME-Conference “Braking of Road Vehicles” Loughborough, Great Britain 1983
- ISO Road Vehicles - Steady State Circular Test Procedure 1982
- ISO Road Vehicles - Lateral Transient Response Test Procedure 1985
- ISO Road Vehicles - Braking in a Turn -Open Loop Test Procedure 1985