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RISModeling and Control of an Electric Variable Valve Timing System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a model of an electric variable valve timing (EVVT) system and its closedloop control design with experimental validation. The studied EVVT uses a planetary gear system to control the engine cam timing. ...
Transient Air to Fuel Ratio Control of an Spark Ignited Engine Using Linear Quadratic Tracking
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Modern spark ignited (SI) internal combustion engines maintain their airtofuel ratio (AFR) at a desired level to maximize the threeway catalyst conversion efficiency and durability. However, maintaining the engine AFR ...
Real-Time Co-optimization of Vehicle Route and Speed Using Generic Algorithm for Improved Fuel Economy
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Making future vehicles intelligent with improved fuel economy and satisfactory emissions are the main drivers for current vehicle research and development. The connected and autonomous vehicles still need years or decades ...
Real-Time Co-optimization of Vehicle Route and Speed Using Generic Algorithm for Improved Fuel Economy
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: Making future vehicles intelligent with improved fuel economy and satisfactory emissions are the main drivers for current vehicle research and development. The connected and autonomous vehicles still need years or decades ...
Guaranteed Performance State Feedback Gain Scheduling Control With Uncertain Scheduling Parameters
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Statefeedback gainscheduling controller synthesis with guaranteed performance is considered in this brief. Practical assumption has been considered in the sense that scheduling parameters are assumed to be uncertain. The ...
Multi-Objective Surrogate-Assisted Stochastic Optimization for Engine Calibration
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A surrogate-assisted optimization approach is an attractive way to reduce the total computational budget for obtaining optimal solutions. This makes it special for its application to practical optimization problems requiring ...
Model-Based Control for Mode Transition Between Spark Ignition and HCCI Combustion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: While the homogeneous charge compression ignition (HCCI) combustion has its advantages of high thermal efficiency with low emissions, its operational range is limited in both engine speed and load. To utilize the advantage ...
Experimental Study on an Electric Variable Valve Timing Actuator: Linear Parameter Varying Modeling and Control
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents experimental investigation results of an electric variable valve timing (EVVT) actuator using linear parameter varying (LPV) system identification and control. For the LPV system identification, a number ...
A Control Oriented Two Zone Charge Mixing Model for HCCI Engines With Experimental Validation Using an Optical Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A controloriented twozone charge mixing model is developed to simplify, but to describe mixing of fresh charge and residual gas during the intake stroke. Engine valve timing has a strong influence on the realization of ...
Adaptive Design of Experiments for Automotive Engine Applications Using Concurrent Bayesian Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Most practical automotive problems require the design of experiments (DoEs) over a number of different operating conditions to deliver optimal calibration parameters. DoE is especially crucial for automotive engine calibration ...