Results 91 to 100 of about 256,176 (302)

Investments in distribution grid resiliency: A stochastic programming model for dynamic microgrid design

open access: yesInternational Journal of Electrical Power & Energy Systems
Investment in technologies that allow for dynamic formation of microgrids, such as distributed energy resources to provide power and switches to adapt network topology, can improve the reliability of distribution networks.
Ramsey Rossmann   +2 more
doaj   +1 more source

Optimal Stochastic Package Delivery Planning with Deadline: A Cardinality Minimization in Routing

open access: yes, 2017
Vehicle Routing Problem with Private fleet and common Carrier (VRPPC) has been proposed to help a supplier manage package delivery services from a single depot to multiple customers.
Jiang, Siwei   +3 more
core   +1 more source

Optimizing Electric Vehicle Charging Scheduling With Deep Q Networks and Long Short‐Term Memory‐Based Electricity and Battery State of Charge Prediction

open access: yesEnergy Science &Engineering, EarlyView.
Schematic diagram showing the proposed approach for EV charging/discharging. ABSTRACT The number of electric vehicles (EVs) on the road is rising as a result of recent advancements in EV technology, and EVs are important to the smart grid economy. Demand response schemes involving electric vehicles have the potential to dramatically reduce the cost of ...
F. Zonuntluanga   +6 more
wiley   +1 more source

Min-Max Regret Scheduling To Minimize the Total Weight of Late Jobs With Interval Uncertainty

open access: yes, 2017
We study the single machine scheduling problem with the objective to minimize the total weight of late jobs. It is assumed that the processing times of jobs are not exactly known at the time when a complete schedule must be dispatched.
Drwal, Maciej
core   +1 more source

Intelligent Control Framework of District Heating Systems Considering Waste Heat Utilization in Data Centers

open access: yesEnergy Science &Engineering, EarlyView.
A deep reinforcement learning–based control architecture is proposed to coordinate heat pumps, thermal storage, renewable energy, and demand response in data center waste heat recovery systems. The agent learns optimal control actions from system states and reward feedback to achieve electrical–thermal co‐optimization under realistic operational ...
Rendong Shen   +5 more
wiley   +1 more source

Hydropower Bidding Using Linearized Start-Ups

open access: yesEnergies, 2017
Hydropower producers must submit bids to electricity market auctions where they state their willingness to produce power. These bids may be determined using a mixed-integer linear stochastic program.
Ellen Krohn Aasgård
doaj   +1 more source

Stochastic Constraint Programming

open access: yes, 2008
To model combinatorial decision problems involving uncertainty and probability, we introduce stochastic constraint programming. Stochastic constraint programs contain both decision variables (which we can set) and stochastic variables (which follow a ...
Walsh, Toby
core   +1 more source

An Extended Mixed-Integer Programming Formulation and Dynamic Cut Generation Approach for the Stochastic Lot-Sizing Problem

open access: yesINFORMS journal on computing, 2018
We present an extended mixed-integer programming formulation of the stochastic lot-sizing problem for the static-dynamic uncertainty strategy. The proposed formulation is significantly more time efficient as compared to existing formulations in the ...
H. Tunc   +3 more
semanticscholar   +1 more source

Motive and Opportunity: Order Choice in a Limit Order Book With Dispersed Information

open access: yesInternational Journal of Finance &Economics, EarlyView.
ABSTRACT We test predictions of market microstructure theory relating to the determinants of order choice in a limit order book where information is dispersed among traders. Using an experimental limit order book, with a large state space, we find that informed traders exhibit patience, compatible with the ‘waiting game’ behaviour described in Foster ...
James Steeley   +2 more
wiley   +1 more source

A polynomial oracle-time algorithm for convex integer minimization

open access: yes, 2007
In this paper we consider the solution of certain convex integer minimization problems via greedy augmentation procedures. We show that a greedy augmentation procedure that employs only directions from certain Graver bases needs only polynomially many ...
A. Märkert   +17 more
core   +3 more sources

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