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RISNO and NO2 Concentration Modeling and Observer-Based Estimation Across a Diesel Engine Aftertreatment System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an experimentally validated control-oriented model and an observer for diesel oxidation catalyst (DOC)-diesel particulate filter (DPF) system in the context of exhaust gas NO ...
Adaptive and Efficient Ammonia Storage Distribution Control for a Two-Catalyst Selective Catalytic Reduction System
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents an adaptive urea-SCR dosing control design for a two-catalyst SCR system. A novel SCR ammonia storage distribution control (ASDC) approach aiming to simultaneously increase ...
Mixed EHL Analysis of the Variable Torque Slipping Clutch With Skewed Rollers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a mixed EHL analysis is presented for the variable torque slipping clutch with skewed rollers. It is characterized by a finite spatial curve contact and two dimensional rolling ...
Two-Level Nonlinear Model Predictive Control for Lean NOx Trap Regenerations
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a two-level nonlinear model predictive control (NMPC) scheme for diesel engine lean NOx trap (LNT) regeneration control. Based on the physical insights into the LNT operational ...
Fundamental Characteristics of a New Variable Torque Clutch With Skewed Rollers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, a new type of a clutch by the name of the variable torque clutch with skewed rollers is first introduced and second investigated both theoretically and experimentally. It is ...
The FEM Analysis of Dry Contact in the Variable Torque Slipping Clutch With Skewed Rollers by Using Weighted Simplex and BFGS Methods
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an investigation of the dry contact problem in the variable torque slipping clutch with skewed rollers. The FEM based discretization of the integral equation of the Boussinesq ...
Design, Analysis, and Experimental Evaluation of a New Expansion Screw Using Compliant Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents a design solution for a new expansion screw based on compliant mechanisms. The new expansion screw applies distributed compliant mechanisms, rhombus amplification mechanisms, and right circular flexure ...
The Dynamic Modulus of Asphalt Mortar and Its Master Curve
Publisher: American Society of Civil Engineers
Abstract: The asphalt mortar specimens of AC-13 asphalt mixture with removed coarse aggregates are prepared using a static pressing method to study the changes in the dynamic modulus of asphalt mortar with different asphalt contents ...
Film-Cooling Performance Comparison of Blade Tips With a Trailing Edge, Pressure Side Cutback, or a Suction Side Squealer in a Transonic Linear Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Film-cooling effectiveness and leakage flow play crucial roles in turbine blade heat transfer. In contrast to the conventional trailing edge cutback squealer blade tip (CB tip), this study aims to compare the film-cooling ...
Design, Analysis, and Experimental Evaluation of a New Expansion Screw Using Compliant Mechanisms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This article presents a design solution for a new expansion screw based on compliant mechanisms. The new expansion screw applies distributed compliant mechanisms, rhombus amplification mechanisms, and right circular flexure ...