Results 21 to 30 of about 6,626 (272)

Distributed data-driven distributionally robust Volt/Var control for distribution network via an accelerated alternating optimization procedure

open access: yesEnergy Reports, 2023
This paper proposes a distributed data-driven distributionally robust volt/var control (DDDR-VVC) approach which schedules on-load-tap changer (OLTC), capacitor banks (CBs) and Photovoltaic (PV) inverters coordinately.
Peishuai Li   +4 more
doaj   +1 more source

Distributionally Robust Portfolio Optimization

open access: yes2019 IEEE 58th Conference on Decision and Control (CDC), 2019
In this paper we consider the problem of portfolio optimization involving uncertainty in the probability distribution of the assets returns. Starting with an estimate of the mean and covariance matrix of the returns of the assets, we define a class of admissible distributions for the returns and show that optimizing the worst-case risk of loss can be ...
I. E. Bardakci, Constantino M. Lagoa
openaire   +3 more sources

A distributionally robust perspective on uncertainty quantification and chance constrained programming [PDF]

open access: yes, 2015
The objective of uncertainty quantification is to certify that a given physical, engineering or economic system satisfies multiple safety conditions with high probability.
Hanasusanto, GA   +3 more
core   +1 more source

Data-Driven Chance Constrained Optimization under Wasserstein Ambiguity Sets [PDF]

open access: yes, 2018
We present a data-driven approach for distributionally robust chance constrained optimization problems (DRCCPs). We consider the case where the decision maker has access to a finite number of samples or realizations of the uncertainty.
Cherukuri, Ashish   +2 more
core   +2 more sources

Mathematical Foundations of Distributionally Robust Multistage Optimization [PDF]

open access: yesSIAM Journal on Optimization, 2021
Distributionally robust optimization involves various probability measures in its problem formulation. They can be bundled to constitute a risk functional. For this equivalence, risk functionals constitute a fundamental building block in distributionally robust stochastic programming.
Alois Pichler, Alexander Shapiro 0001
openaire   +2 more sources

The Distributionally Robust Optimization Reformulation for Stochastic Complementarity Problems

open access: yesAbstract and Applied Analysis, 2014
We investigate the stochastic linear complementarity problem affinely affected by the uncertain parameters. Assuming that we have only limited information about the uncertain parameters, such as the first two moments or the first two moments as well as ...
Liyan Xu, Bo Yu, Wei Liu
doaj   +1 more source

Distributionally Robust Distributed Generation Hosting Capacity Assessment in Distribution Systems

open access: yesEnergies, 2018
Uncertainties associated with the loads and the output power of distributed generations create challenges in quantifying the integration limits of distributed generations in distribution networks, i.e., hosting capacity.
Mohammad Seydali Seyf Abad   +3 more
doaj   +1 more source

Robustness to dependency in portfolio optimization using overlapping marginals [PDF]

open access: yes, 2015
In this paper, we develop a distributionally robust portfolio optimization model where the robustness is across different dependency structures among the random losses.
Doan, Xuan Vinh   +2 more
core   +1 more source

Regularization for Wasserstein distributionally robust optimization

open access: yesESAIM: Control, Optimisation and Calculus of Variations, 2023
Optimal transport has recently proved to be a useful tool in various machine learning applications needing comparisons of probability measures. Among these, applications of distributionally robust optimization naturally involve Wasserstein distances in their models of uncertainty, capturing data shifts or worst-case scenarios.
Azizian, Waïss   +2 more
openaire   +5 more sources

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