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Viewing 1 to 30 of 10192
Event
2015-06-22
This session includes papers in the areas of static, dynamic, and fatigue characterization of elastomers, bushings, mounts and shock absorbers used in the mobility industry. Particular emphasis is given to new and innovative analysis and testing methodologies to quantify the non-linear properties of these systems in addition to the effects of temperature, frequency, and aging. Papers dealing with specific applications and case studies of existing methodologies are also welcome.
Event
2015-06-22
This session covers static and dynamic issues in the body and chassis that contribute to noise and vibration problems in vehicles. Included in this session are modal studies, measurement and analysis methods, transfer path analysis, design guidelines, and recommended practices for noise and vibration control of the body and chassis.
Event
2015-06-22
This session includes papers regarding vehicle exterior or interior tire/pavement noise.
Event
2015-06-22
This session provides a good overview of current issues and problem-solving activities in vehicle braking system noise. Braking noise is one of the highest dollars cost warranty issues for the automakers, and therefore, gets considerable attention. The papers of this session will describe both experimental and analytical programs of investigations related to this issue.
Training / Education
2015-06-16
One of the most important safety critical components on cars, trucks, and aircraft is the pneumatic tire. Vehicle tires primarily control stopping distances on wet and dry roads or runways and strongly influence over-steer/under-steer behavior in handling maneuvers of cars and trucks. The inflated tire-wheel assembly also acts as a pressure vessel that releases a large amount of energy when catastrophically deflated. The tire can also serve as a fulcrum, both directly and indirectly, in contributing to vehicle rollover. This seminar covers these facets of tire safety phenomena. Engineering fundamentals are discussed and illustrated with numerous practical examples and case studies of current public interest. The Pneumatic Tire, a 700-page E-book on CD, edited by Joseph Walter and Alan Gent is included in the course material. This course has been approved by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) for 7 Continuing Education Units (CEUs). Upon completion of this seminar, accredited reconstructionists should contact ACTAR, 800-809-3818, to request CEUs.
Training / Education
2015-06-15
The principal functions of the pneumatic tire are to generate driving, braking, and cornering forces while safely carrying the vehicle load and providing adequate levels of ride comfort. This seminar explains how tire forces and moments are generated under different operating and service conditions and, in turn, demonstrates how these forces and moments influence various vehicle responses such as braking, handling, ride, and high-speed performance. The content focuses on the fundamentals of tire behavior in automobiles, trucks, and farm tractors, but also includes experimental and empirical results, when necessary. The Pneumatic Tire, a 700-page E-book on CD, edited by Joseph Walter and Alan Gent is included in the course material. This course has been approved by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) for 7 Continuing Education Units (CEUs). Upon completion of this seminar, accredited reconstructionists should contact ACTAR, 800-809-3818, to request CEUs.
Training / Education
2014-12-10
Increased public pressure to improve commercial truck safety and new stopping distance regulations have intensified the need to better understand the factors influencing heavy vehicle braking performance. To assist individuals and their organizations in preparing for these new truck braking standards, this seminar focuses attendees on understanding medium-duty hydraulic brake systems and heavy-duty air brake systems and how both systems' performance can be predicted, maintained and optimized. The function and application of the major brake system components will be explained and attendees will discover how brakes, tires and roadways interact as a system. Federal braking regulations for both hydraulic and air brake vehicles will also be covered. Attendees will receive the text, "Commercial Vehicle Braking Systems: Air Brakes, ABS and Beyond," written by Leonard C. Buckman. This course has been approved by the Accreditation Commission for Traffic Accident Reconstruction (ACTAR) for 18 Continuing Education Units (CEUs).
Training / Education
2014-11-17
While a variety of new engineering tools are becoming available to assist in creating optimal vehicle designs, subjective evaluation of vehicle behavior is still a vital tool to ensure desired braking, handling, and other dynamic response characteristics. In order to better prepare today's engineer for this task, this course offers twelve modules devoted to the key fundamental principles associated with longitudinal and lateral vehicle dynamics. Each focused classroom session is paired with an on-track exercise to immediately reinforce these concepts with a dedicated behind-the-wheel driving session, effectively illustrating these principles in the real world. Note that unlike most driving schools, this course is not designed to train performance drivers. Rather, the exercises on days one and two build the bridge between vehicle dynamics theory and practical application by providing a rich academic underpinning and then reinforcing it with highly focused and relevant driving experiences.
Training / Education
2014-11-12
Just as the chassis and suspension system provides an ideal framework for the automobile, this popular SAE seminar provides an informative framework for those involved in the design of these important systems. Emphasizing the fundamental principles that underlie rational development and design of suspension components and structures, this course covers the concepts, theories, designs and applications of automotive suspension systems.
Training / Education
2014-11-12
Designing a brake system requires the ability to balance a multitude of parameters against the required tradeoffs of system weight, system cost, and system performance. Understanding the basic fundamentals of how each brake component attribute contributes to the overall Force vs Deceleration behavior of the vehicle is critical to the design and release of a safe, legal and optimized system for today’s vehicles. Brake balance also is a contributing factor to other chassis control and safety systems, such as regenerative braking, ABS, and electronic brake distribution (EBD). In three-sessions, this web seminar will cover the fundamentals of the development of braking forces generated by the brake system and the theory and principals to properly balance a brake system in accordance with legal requirements. Brake balance modifiers will also be presented. This live online course allows for a detailed presentation of this topic for those unable to participate in the longer and broader classroom seminar, Hydraulic Brake Systems for Passenger Cars and Light Trucks.
Training / Education
2014-11-03
Once reserved for high-end luxury vehicles, electronic brake control systems are now required standard equipment on even the most inexpensive cars and trucks. Today, nearly every new vehicle benefits from the optimized braking, enhanced acceleration, or improved stability that these systems provide. This comprehensive seminar introduces participants to the system-level design considerations, vehicle interface requirements, and inevitable performance compromises that must be addressed when implementing these technologies. The seminar begins by defining the tire-road interface and analyzing fundamental vehicle dynamics. Following an in-depth study of system electronics, hydraulic hardware, and sensor requirements, the participants learn about the control strategies employed by anti-lock brakes (ABS), dynamic rear proportioning (DRP), traction control (TCS), and electronic stability control (ESC) with a heavy emphasis placed on the resulting vehicle dynamics. The seminar concludes with a study of unique applications, a look forward to advanced brake control system integration, and an overview of Federal Motor Vehicle Safety Standard 126.
Training / Education
2014-10-20
This seminar will present an introduction to Vehicle Dynamics from a vehicle system perspective. The theory and applications are associated with the interaction and performance balance between the powertrain, brakes, steering, suspensions and wheel and tire vehicle subsystems. The role that vehicle dynamics can and should play in effective automotive chassis development and the information and technology flow from vehicle system to subsystem to piece-part is integrated into the presentation. Governing equations of motion are developed and solved for both steady and transient conditions. Manual and computer techniques for analysis and evaluation are presented. Vehicle system dynamic performance in the areas of drive-off, braking, directional control and rollover is emphasized. The dynamics of the powertrain, brakes, steering, suspension and wheel and tire subsystems and their interactions are examined along with the important role of structure and structural parameters related to vehicle dynamics.
Training / Education
2014-10-10
Brake noise is one of the highest ranked complaints of car owners. Grunts, groans, squeaks, and squeals are common descriptions of the annoying problem which brake engineers spend many hours trying to resolve. Consumer expectations and the high cost of warranty repairs are pushing the optimization of brake NVH performance. This course will provide you with an overview of the various damping mechanisms and tools for analyzing and reducing brake noise. A significant component of this course is the inclusion of case studies which will demonstrate how brake noise squeal issues have been successfully resolved.
Event
2014-10-09
This session focuses on theoretical and experimental vehicle dynamics aspects of both on- and off-road vehicles. Papers on topics such as off-road vehicle chassis and suspension, NVH, driver/operator comfort, as well as on-road suspension design, active and semi-active suspension systems and controls, and full vehicle dynamic studies are welcomed. Topics ranging from on-road vehicles to trucks to construction and mining machinery are covered in CV205.
Training / Education
2014-10-09
The choice of brake friction materials varies per application, but each must have the appropriate coefficient of friction and be able to disperse large amounts of heat without adversely effecting braking performance. This seminar will provide an introduction to brake lining raw materials and formulation, manufacturing, quality control and testing. The course covers the critical elements that must be reviewed before arriving at a lining selection decision. Different classes of friction material and their use will be defined.
Training / Education
2014-10-09
Brake Noise, Vibration, and Harshness (NVH) is recognized as one of the major problems currently faced by the automotive manufacturers and their suppliers, with customers warranty claims of more than $100 million per year for each manufacturer. With increasing consumer braking performance expectations, automotive OEM’s and suppliers need the ability to predict potential problems and identify solutions during the design phase before millions of dollars have been spent in design, prototyping, and manufacturing tooling. This seminar provides an introduction to brake NVH, including a concise summary of the various brake NVH problems, current lab and vehicle measurement techniques and SAE global standards which are utilized to characterize the noise correctly in order to get the best option/solutions quickly. The information provided will serve as an excellent foundation for understanding and characterizing brake NVH issues and is an excellent primer to the SAE Seminar ID# C0831 – Brake Noise Problem Resolution, also taught by instructor Eric Denys.
Event
2014-10-08
Regulations and technology development have resulted in lighter, more fuel efficient, lower emissions, smarter vehicles that stop faster. The challenges are numerous and are in part related to regulations that do not hinder technology, effective regulation compliance procedures, system reliability that will still meet the end customer expectations. In the end, vehicle design and physics have to remain in balance. This session will look at where the industry is heading related to these challenges and look to identify new opportunities for continued industry cooperation on emerging technologies.
Event
2014-10-08
New technology and advanced vehicle systems continue to keep pace with regulation developments. Rulemaking later this year is expected for Electronic Stability Control regulations for air brake tractors and certain buses in the U.S. Autonomous vehicle technology may have state to state regulation and even impacts on vehicle insurance. Forward Collision and Mitigation (FCAM), regulation is expected to be announced late 2014. NHTSA is also investigating Vehicle-to-Vehicle (V2V) communications technology. This session will review several of these new technologies and their respective regulation and legislation activities.
Event
2014-10-08
This technical session invites papers on dynamics and performance of conventional and unmanned, on-road/off-road vehicles with emphasis on dynamics and design of chassis, suspension, tires, and tracks. In the area of vehicle chassis with four and more number of driving wheels, papers are welcome, but not limited to: various types of suspensions and their interaction with the driving gear, steering, and driveline systems. Research papers presenting results on analysis, optimization, and control of tire dynamics and design for road and terrain vehicle applications are encouraged to be submitted to this session. Special attention is also given to rubber-track chassis systems and their asphalt passability and terrain mobility. Papers on conventional track system dynamics, design, and reliability issues are also invited. Energy efficiency issues, stochastic modeling, smoothness of ride, integrated design of chassis subsystems are also considered.
Viewing 1 to 30 of 10192

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