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RISFull-Scale Testing of Open-Ended Steel Pipe Piles in Thick Varved Clayey Silt Deposits along the Delaware River in New Jersey
Publisher: American Society of Civil Engineers
Abstract: Although many studies have been done to investigate the axial behaviors of open-ended piles in sands, few studies have been reported for weak clayey silts. To develop reliable models for the design of open-ended steel-pipe ...
Comprehensive Load Test on Prestressed Concrete Piles in Alluvial Clays and Marl in Savannah, Georgia
Publisher: American Society of Civil Engineers
Abstract: This paper introduces a comprehensive full-scale pile load test program on 457-mm (18-in.) square prestressed concrete (PSC) piles in Savannah, Georgia. The program consisted of pile driving analyzer testing during initial ...
Modeling and Control of a Diesel Engine With Regenerative Hydraulic-Assisted Turbocharger
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Diesel engines are of great challenges due to stringent emission and fuel economy requirements. Compared with the conventional turbocharger system, regenerative assisted system provides additional degrees-of-freedom for ...
Modeling 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. ...
A Two-Riccati, Feasible Algorithm for Guaranteeing Output L∞ Constraints
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In the presence of all disturbances whose outer products are bounded by a known matrix N, this paper develops controllers to minimize the control L∞ norm bound subject to L∞ constraints on ...
Integrated System ID and Control Design for an IC Engine Variable Valve Timing System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper applies integrated system modeling and control design process to a continuously variable valve timing (VVT) actuator system that has different control input and cam position feedback ...
Sliding Mode Control of Both Air-to-Fuel and Fuel Ratios for a Dual-Fuel Internal Combustion Engine
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A multi-input-multi-output (MIMO) sliding mode control scheme was developed with guaranteed stability to simultaneously control air-to-fuel ratio (AFR) and fuel ratios to desired levels under various ...
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 ...