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Development of an Automated Cam Profile Designer and Optimizer
Technical Paper
2010-01-1108
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Valve lift is of major importance when considering engine performance, valvetrain durability and NVH. Automating valve lift design and optimization is challenging since there are numerous variables that define the profile and many kinematic and dynamic objectives have to be considered. The kinematic and dynamic objectives for engine performance, valvetrain durability and NVH are conflicting which complicates the automation of the process even more. For example, engine performance requires the valve to open and close in a short period of time which means high valve velocity and acceleration, where as valvetrain durability and NVH require lowering valve seating velocity and acceleration for better dynamic control and reduced impact noise.
In this study, a tool has been developed to design and optimize valve lift profile without a starting point and based on kinematic and dynamic design constraints.
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Citation
Montazersadgh, F., "Development of an Automated Cam Profile Designer and Optimizer," SAE Technical Paper 2010-01-1108, 2010, https://doi.org/10.4271/2010-01-1108.Also In
References
- Heath, A. R. “Valve Train Design for Multivalve Automotive Gasoline Engines,” SAE Technical Paper 885133 1988
- Seidlitz, S. “An Optimization Approach to Valve Train Design,” SAE Technical Paper 901638 1990
- Ernst, R. Schamel, A.R. Meyer, J. “Advanced Optimization Techniques in Valvetrain Design,” SAE Technical Paper 932004 1993