نتایج جستجو برای: objective problem robust optimization

تعداد نتایج: 1745673  

2009
Suat Gumussoy Didier Henrion Marc Millstone Michael L. Overton

Multiobjective control design is known to be a difficult problem both in theory and practice. Our approach is to search for locally optimal solutions of a nonsmooth optimization problem that is built to incorporate minimization objectives and constraints for multiple plants. We report on the success of this approach using our public-domain matlab toolbox hifoo 2.0, comparing our results with be...

1999
Han-Shue Tan Satyajit Patwardhan

| This paper describes a robust control design for automatic steering of passenger cars. Previous studies 1{3] showed that reliable automatic driving at highway speed may not be achieved under practical conditions with look-down reference systems which use only one sensor at the front bumper to measure the lateral displacement of the vehicle from the lane reference. An additional lateral displa...

Journal: :Operations Research Letters 2021

We investigate the complexity of bilevel combinatorial optimization with uncertainty in follower's objective, a robust approach. show that counterpart problem under interval can be Σ2P-hard, even when certain is NP-equivalent and tractable. On contrary, discrete case, at most one level harder than problem.

Journal: :IEEE Trans. Contr. Sys. Techn. 1999
Jürgen Guldner Wolfgang Sienel Han-Shue Tan Jürgen Ackermann Satyajit Patwardhan Tilman Bünte

This paper describes a robust control design for automatic steering of passenger cars. Previous studies [l-31 showed that' reliable automatic driving at highway speed may not be achieved under pract,ical conditions with look-down reference systems which use only one sensor at the front bumper to measure the 1at)eral displacement of the vehicle from the lane reference. An additional lateral disp...

Journal: :Oper. Res. Lett. 2017
Jannik Matuschke S. Thomas McCormick Gianpaolo Oriolo Britta Peis Martin Skutella

Due to the importance of robustness in many real-world optimization problems, the field of robust optimization has gained a lot of attention over the past decade. We concentrate on maximum flow problems and introduce a novel robust optimization model which, compared to known models from the literature, features several advantageous properties: (i) We consider a general class of path-based flow ...

Journal: :shiraz journal of system management 0
somayeh molaei department of industrial engineering, amirkabir university of technology, iran, tehran mir mahdi seyed esfahani department of industrial engineering, amirkabir university of technology, iran, tehran akbar esfahanipour department of industrial engineering, amirkabir university of technology, iran, tehran

efficient and on-time maintenance plays a crucial role inreducing cost and increasing the market share of an industrial unit. preventivemaintenance is a broad term that encompasses a set of activitiesaimed at improving the overall reliability and availability of a systembefore machinery breakdown. the previous studies have addressed thescheduling of preventive maintenance. these studies have co...

1999
Jeffrey W. Herrmann

This paper considers the problem of designing a network to transport material from sources of supply to sites where demand occurs. However, the demand at each site is uncertain. We formulate the problem as a robust discrete optimization problem. The minimax objective is to nd a robust solution that has the best worst-case performance over a set of possible scenarios. However, this is a di cult ...

Journal: :Operations Research 2010
Naveed Chehrazi Thomas A. Weber

Many decision problems exhibit structural properties in the sense that the objective function is a composition of different component functions that can be identified using empirical data. We consider the approximation of such objective functions, subject to general monotonicity constraints on the component functions. Using a constrained B-spline approximation, we provide a data-driven robust o...

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