57 citations · 222 across the 42 of their papers we have counts for
48 papers
From Orbit Matching to Docking: A Hierarchical Reinforcement-Learning Approach to Multiphase Rendezvous Trajectory Design
Mariko Storey-Matsutani, Anatoly Zlotnik, Lee Holguin +2
As the complexity of space missions increases, autonomous spacecraft guidance must accommodate transitions between mission phases with distinct dynamics, objectives, and constraint…
A Bilevel Market Equilibrium Model for Natural Gas Pipeline Network Operations: Convex Relaxations and Single-level Reformulations
Novel Kumar Dey, Afrooz Jalilzadeh, Erfan Yazdandoost Hamedani +2
We propose an integrated market equilibrium model for determining the spot market prices and flow rates in a natural gas pipeline network. The traditional approach solves the marke…
Robust Quantum State Generation in Symmetric Spin Networks
Andre Luiz P. de Lima, Luke S. Baker, Anatoly Zlotnik +3
In this work, we consider a parameterized Ising model with long-range symmetric pairwise interactions on a network of spin particles. The system is designed with symm…
Robust Quantum Control for Bragg Pulse Design in Atom Interferometry
Luke S. Baker, Andre Luiz P. de Lima, Andrew Harter +6
We formulate a robust optimal control algorithm to synthesize minimum energy pulses that can transfer a cold atom system into various momentum states. The algorithm uses adaptive l…
Robust Quantum Gate Preparation in Open Environments
Luke S. Baker, Syed A. Shah, Anatoly Zlotnik +1
We develop an optimal control algorithm for robust quantum gate preparation in open environments with the state of the quantum system represented using the Lindblad master equation…
Setpoint Tracking and Disturbance Attenuation for Gas Pipeline Flow Subject to Uncertainties using Backstepping
Bhathiya Rathnayake, Anatoly Zlotnik, Svetlana Tokareva +1
In this paper, we consider the problem of regulating the outlet pressure of gas flowing through a pipeline subject to uncertain and variable outlet flow. Gas flow through a pipe is…
Simulation of Gas Mixture Dynamics in a Pipeline Network using Explicit Staggered-Grid Discretization
Yan Brodskyi, Vitaliy Gyrya, Anatoly Zlotnik
We develop an explicit second order staggered finite difference discretization scheme for simulating the transport of highly heterogeneous gas mixtures through pipeline networks. T…
Stochastic Finite Volume Method for Uncertainty Management in Gas Pipeline Network Flows
Saif R. Kazi, Sidhant Misra, Svetlana Tokareva +2
Natural gas consumption by users of pipeline networks is subject to increasing uncertainty that originates from the intermittent nature of electric power loads serviced by gas-fire…
Stochastic Active Discretizations for Accelerating Temporal Uncertainty Management of Gas Pipeline Loads
Jake J. Harmon, Svetlana Tokareva, Anatoly Zlotnik
We propose a predictor-corrector adaptive method for the simulation of hyperbolic partial differential equations (PDEs) on networks under general uncertainty in parameters, initial…
Convergence of Iterative Quadratic Programming for Robust Fixed-Endpoint Transfer of Bilinear Systems
Luke S. Baker, Andre Luiz P. de Lima, Anatoly Zlotnik +2
We present a computational method for open-loop minimum-norm control synthesis for fixed-endpoint transfer of bilinear ensemble systems that are indexed by two continuously varying…
Adaptive Uncertainty Quantification for Stochastic Hyperbolic Conservation Laws
Jake J. Harmon, Svetlana Tokareva, Anatoly Zlotnik +1
We propose a predictor-corrector adaptive method for the study of hyperbolic partial differential equations (PDEs) under uncertainty. Constructed around the framework of stochastic…
Boundary Control for Suppressing Chaotic Response to Dynamic Hydrogen Blending in a Gas Pipeline
Luke S. Baker, Anatoly Zlotnik
It is known that periodic forcing of nonlinear flows can result in a chaotic response under certain conditions. Such non-periodic and chaotic solutions have been observed in simula…
Locational Marginal Pricing of Energy in Pipeline Transport of Natural Gas and Hydrogen with Carbon Offset Incentives
Mo Sodwatana, Saif R. Kazi, Kaarthik Sundar +2
We propose an optimization formulation for locational pricing of energy transported through a pipeline network that carries mixtures of natural gas and hydrogen from distributed so…
Optimal Ensemble Control of Matter-Wave Splitting in Bose-Einstein Condensates
Andre Luiz P. de Lima, Andrew K. Harter, Michael J. Martin +1
We present a framework for designing optimal optical pulses for the matter-wave splitting of a Bose-Einstein Condensate (BEC) under the influence of experimental inhomogeneities, s…
Linear System Analysis and Optimal Control of Natural Gas Dynamics in Pipeline Networks
Luke S. Baker, Sachin Shivakumar, Dieter Armbruster +2
We design nonlinear and adaptive linear model-predictive control (MPC) techniques to minimize operational costs of compressor-actuated dynamics in natural gas pipeline networks. We…
Dynamic Optimization and Optimal Control of Hydrogen Blending Operations in Natural Gas Networks
Saif R. Kazi, Kaarthik Sundar, Anatoly Zlotnik
We present a dynamic model for the optimal control problem (OCP) of hydrogen blending into natural gas pipeline networks subject to inequality constraints. The dynamic model is der…
Transitions from Monotonicity to Chaos in Gas Mixture Dynamics in Pipeline Networks
Luke S. Baker, Saif R. Kazi, Anatoly Zlotnik
The blending of hydrogen generated using clean energy into natural gas pipeline networks is proposed in order to utilize existing energy systems for their planned lifetimes while r…
Modeling and Optimization of Steady Flow of Natural Gas and Hydrogen Mixtures in Pipeline Networks
Saif R. Kazi, Kaarthik Sundar, Shriram Srinivasan +1
We extend the canonical problems of simulation and optimization of steady-state gas flows in pipeline networks with compressors to the transport of mixtures of highly heterogeneous…
Optimization of Hydrogen Blending in Natural Gas Networks for Carbon Emissions Reduction
Mo Sodwatana, Saif R. Kazi, Kaarthik Sundar +1
We present an economic optimization problem for allocating the flow of natural gas and hydrogen blends through a large-scale transportation pipeline network. Physical flow of the g…
Optimal Control of Transient Flows in Pipeline Networks with Heterogeneous Mixtures of Hydrogen and Natural Gas
Luke Baker, Saif R. Kazi, Rodrigo B. Platte +1
We formulate a control system model for the distributed flow of mixtures of highly heterogeneous gases through large-scale pipeline networks with time-varying injections of constit…
Stochastic Finite Volume Method for Uncertainty Quantification of Transient Flow in Gas Pipeline Networks
Svetlana Tokareva, Anatoly Zlotnik, Vitaliy Gyrya
We develop a weakly intrusive framework to simulate the propagation of uncertainty in solutions of generic hyperbolic partial differential equation systems on graph-connected domai…
Numerical Solution of the Steady-State Network Flow Equations for a Non-Ideal Gas
Shriram Srinivasan, Kaarthik Sundar, Vitaliy Gyrya +1
We formulate a steady-state network flow problem for non-ideal gas that relates injection rates and nodal pressures in the network to flows in pipes. For this problem, we present a…
The Backpropagation Algorithm Implemented on Spiking Neuromorphic Hardware
Alpha Renner, Forrest Sheldon, Anatoly Zlotnik +2
The capabilities of natural neural systems have inspired new generations of machine learning algorithms as well as neuromorphic very large-scale integrated (VLSI) circuits capable…
Optimization of periodic input waveforms for global entrainment of weakly forced limit-cycle oscillators
Yuzuru Kato, Anatoly Zlotnik, Jr-Shin Li +1
We propose a general method for optimizing periodic input waveforms for global entrainment of weakly forced limit-cycle oscillators based on phase reduction and nonlinear programmi…