Measurement of Lateral Tire Performance on Winter Surfaces PDF Download
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Author: Gary E. Phetteplace
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 25
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Book Description
Author: Gary E. Phetteplace
Publisher:
ISBN:
Category : Ice
Languages : en
Pages : 25
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Book Description
Author: Gurkan Erdogan
Publisher:
ISBN:
Category : Friction
Languages : en
Pages : 79
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Book Description
Real-time measurement of tire-road friction coefficient is extremely valuable for winter road maintenance operations and can be used to optimize the kind and quantity of the deicing and anti-icing chemicals applied to the roadway. In this project, a wheel based tire-road friction coefficient measurement system is first developed for snowplows. Unlike a traditional Norse meter, this system is based on measurement of lateral tire forces, has minimal moving parts and does not use any actuators. Hence, it is reliable and inexpensive. A key challenge is quickly detecting changes in estimated tire-road friction coefficient while rejecting the high levels of noise in measured force signals. Novel filtering and signal processing algorithms are developed to address this challenge including a biased quadratic mean filter and an accelerometer based vibration removal filter. Detailed experimental results are presented on the performance of the friction estimation system on different types of road surfaces. Experimental results show that the biased quadratic mean filter works very effectively to eliminate the influence of noise and quickly estimate changes in friction coefficient. Further, the use of accelerometers and an intelligent algorithm enables elimination of the influence of driver steering maneuvers, thus providing a robust friction measurement system. In the second part of the project, the developed friction measurement system is used for automated control of the chemical applicator on the snowplow. An electronic interface is established with the Force America applicator to enable real-time control. A feedback control system that utilizes the developed friction measurement sensor and a pavement temperature sensor is developed and implemented on the snowplow.
Author: Paul S. Fancher
Publisher:
ISBN:
Category : Automobiles
Languages : en
Pages : 276
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Author: George L. Blaisdell
Publisher:
ISBN:
Category : Motor vehicles
Languages : en
Pages : 7
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Author: Comfort, G
Publisher: [Montréal] : The Centre
ISBN:
Category :
Languages : en
Pages :
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Author: Bernhard Heißing
Publisher: Springer Science & Business Media
ISBN: 3834897892
Category : Technology & Engineering
Languages : en
Pages : 611
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Book Description
In spite of all the assistance offered by electronic control systems, the latest generation of passenger car chassis still relies on conventional chassis elements. With a view towards driving dynamics, this book examines these conventional elements and their interaction with mechatronic systems. First, it describes the fundamentals and design of the chassis and goes on to examine driving dynamics with a particularly practical focus. This is followed by a detailed description and explanation of the modern components. A separate section is devoted to the axles and processes for axle development. With its revised illustrations and several updates in the text and list of references, this new edition already includes a number of improvements over the first edition.
Author: S. Bogard C. B. Winkler
Publisher:
ISBN:
Category :
Languages : en
Pages : 100
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Author:
Publisher:
ISBN:
Category : Transportation
Languages : en
Pages : 84
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Book Description
The current state of knowledge with both studded tire performance and methods of assessing pavement wear is reported. An annotated bibliography is presented of all known research on this subject from the U.S. and European sources, a review and evaluation of the data and results of completed studies and recommendations for future research. The objectives of the study were confined to the following tests: (1) correlation of data on the frictional characteristics of studded tires on ice, packed snow, and on bare pavements, and (2) development of a method, or methods, of quantitative assessment of the difference in wearing and abrasive effects of studded versus unstudded tires on different types of surfaces. A stud-resistance coefficient for operation on ice was derived and all U.S. data are correlated with this parameter and ice temperature.
Author: Darrell R. Krueger
Publisher:
ISBN:
Category : All terrain vehicles
Languages : en
Pages :
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Author: International Society for Terrain-Vehicle Systems
Publisher:
ISBN:
Category :
Languages : en
Pages :
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