Search Results - "Drallmeier, J.A."

Reinforcement-Learning-Based Dual-Control Methodology for Complex Nonlinear Discrete-Time Systems With Application to Spark Engine EGR Operation by Shih, P., Kaul, B.C., Jagannathan, S., Drallmeier, J.A.

“…A novel reinforcement-learning-based dual-control methodology adaptive neural network (NN) controller is developed to deliver a desired tracking performance…”
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Output Feedback Controller for Operation of Spark Ignition Engines at Lean Conditions Using Neural Networks by Vance, J.B., Kaul, B.C., Jagannathan, S., Drallmeier, J.A.

“…Spark ignition (SI) engines operating at very lean conditions demonstrate significant nonlinear behavior by exhibiting cycle-to-cycle bifurcation of heat…”
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Reinforcement-Learning-Based Output-Feedback Control of Nonstrict Nonlinear Discrete-Time Systems With Application to Engine Emission Control by Shih, P., Kaul, B.C., Jagannathan, S., Drallmeier, J.A.

“…A novel reinforcement-learning-based output adaptive neural network (NN) controller, which is also referred to as the adaptive-critic NN controller, is…”
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Neural Network Controller Development and Implementation for Spark Ignition Engines With High EGR Levels by Vance, J.B., Singh, A., Kaul, B.C., Jagannathan, S., Drallmeier, J.A.

“…Past research has shown substantial reductions in the oxides of nitrogen (NO x ) concentrations by using 10% -25% exhaust gas recirculation (EGR) in spark…”
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Three-dimensional simulation of turbulent forced convection in a duct with backward-facing step by Lan, H., Armaly, B.F., Drallmeier, J.A.

“…Results from three-dimensional (3-D) simulations of turbulent forced convection adjacent to backward-facing step in a rectangular duct using a k - ϵ - ζ - f…”
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Three dimensional mixed convection in plane symmetric-sudden expansion: Symmetric flow regime by Thiruvengadam, M., Armaly, B.F., Drallmeier, J.A.

“…Three-dimensional simulations of laminar buoyancy assisting mixed convection in a vertical duct with a plane symmetric sudden expansion are presented to…”
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Simulation and measurement of 3D shear-driven thin liquid film flow in a duct by Lan, H., Friedrich, M., Armaly, B.F., Drallmeier, J.A.

“…Three-dimensional flow behavior of thin liquid film that is shear-driven by turbulent air flow in a duct is measured and simulated. Its film thickness and…”
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Reinforcement Learning based Output-Feedback Control of Nonlinear Nonstrict Feedback Discrete-time Systems with Application to Engines by Shih, P., Vance, J., Kaul, B., Jagannathan, S., Drallmeier, J.A.

“…A novel reinforcement-learning based output-adaptive neural network (NN) controller, also referred as the adaptive-critic NN controller, is developed to track…”
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Neural network-based output feedback controller for lean operation of spark ignition engines by Vance, J.B., He, P., Kaul, B., Jagannathan, S., Drallmeier, J.A.

“…Spark ignition (SI) engines running at very lean conditions demonstrate significant nonlinear behavior by exhibiting cycle-to-cycle dispersion of heat release…”
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Nonlinear cycle dynamics in lean spark ignition combustion by Wagner, R.M., Drallmeier, J.A., Daw, C.S.

“…The goal of this study was to experimentally investigate the onset of lean combustion instability in spark ignition engines. New data analysis techniques from…”
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