Search Results - "Etman, L. F. P."

Predicting Cycle Time Distributions for Integrated Processing Workstations: An Aggregate Modeling Approach by Veeger, C P L, Etman, L F P, Lefeber, E, Adan, I J B F, van Herk, J, Rooda, J E

“…To predict cycle time distributions of integrated processing workstations, detailed simulation models are almost exclusively used; these models require…”
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An augmented Lagrangian relaxation for analytical target cascading using the alternating direction method of multipliers by Tosserams, S, Etman, L F P, Papalambros, P Y, Rooda, J E

“…Analytical target cascading is a method for design optimization of hierarchical, multilevel systems. A quadratic penalty relaxation of the system consistency…”
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A quadratic approximation for structural topology optimization by Groenwold, Albert A., Etman, L. F. P.

“…In topology optimization, it is customary to use reciprocal‐like approximations, which result in monotonically decreasing approximate objective functions. In…”
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Augmented Lagrangian coordination for distributed optimal design in MDO by Tosserams, S., Etman, L. F. P., Rooda, J. E.

“…Quite a number of coordination methods have been proposed for the distributed optimal design of large‐scale systems consisting of a number of interacting…”
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Similarity, Modularity, and Commonality Analysis of Navigation Locks in the Netherlands by Wilschut, T, Etman, L. F. P, Rooda, J. E, Vogel, J. A

“…AbstractIn the coming decades, Rijkswaterstaat (RWS), the executive branch of the Dutch Ministry of Infrastructure and the Environment, has to replace or…”
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On the equivalence of optimality criterion and sequential approximate optimization methods in the classical topology layout problem by Groenwold, Albert A., Etman, L. F. P.

“…We study the ‘classical’ topology optimization problem, in which minimum compliance is sought, subject to linear constraints. Using a dual statement, we…”
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Decomposition analysis of the multidisciplinary coupling in LED System-in-Package design using a DSM and a specification language by M. de Borst, E. C., P. Etman, L. F., J. Gielen, A. W., Hofkamp, A. T., Rooda, J. E.

“…LED System-in-Package (SiP) aims to reduce manufacturing and material costs of LED lighting products through integration of components into one single package,…”
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Incomplete series expansion for function approximation by Groenwold, Albert A., Etman, L. F. P., Snyman, J. A., Rooda, J. E.

“…We present an incomplete series expansion (ISE) as a basis for function approximation. The ISE is expressed in terms of an approximate Hessian matrix, which…”
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Generating Cycle Time-Throughput Curves Using Effective Process Time Based Aggregate Modeling by Veeger, C P L, Etman, L F P, van Herk, J, Rooda, J E

“…In semiconductor manufacturing, cycle time-throughput (CT-TH) curves are often used for planning purposes. To generate CT-TH curves, detailed simulation models…”
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Generation of a function-component-parameter multi-domain matrix from structured textual function specifications by Wilschut, T., Etman, L. F. P., Rooda, J. E., Vogel, J. A.

“…This study introduces a method to build a multi-domain matrix (MDM), visualizing the intended architecture of a system within the component, function, and…”
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First-order sequential convex programming using approximate diagonal QP subproblems by Etman, L. F. P., Groenwold, Albert A., Rooda, J. E.

“…Optimization algorithms based on convex separable approximations for optimal structural design often use reciprocal-like approximations in a dual setting;…”
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An augmented Lagrangian decomposition method for quasi-separable problems in MDO by Tosserams, S, Etman, L F P, Rooda, J E

“…Several decomposition methods have been proposed for the distributed optimal design of quasi-separable problems encountered in Multidisciplinary Design…”
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A classification of methods for distributed system optimization based on formulation structure by Tosserams, S., Etman, L. F. P., Rooda, J. E.

“…This paper presents a classification of formulations for distributed system optimization based on formulation structure. Two main classes are identified:…”
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A simple heuristic for gray-scale suppression in optimality criterion-based topology optimization by Groenwold, Albert A., Etman, L. F. P.

“…We propose a very simple heuristic to suppress gray-scale material in topology optimization in optimality criterion-like implementations. Gray-scale…”
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Quantifying variability of batching equipment using effective process times by Jacobs, J.H., van Bakel, P.P., Etman, L.F.P., Rooda, J.E.

“…Process time variability plays a key role in the cycle time of wafers. Several sources of variability can be distinguished. However, identification and…”
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On the conditional acceptance of iterates in SAO algorithms based on convex separable approximations by Groenwold, Albert A., Etman, L. F. P.

“…We reflect on the convergence and termination of optimization algorithms based on convex and separable approximations using two recently proposed strategies,…”
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Approximated approximations for SAO by Groenwold, Albert A., Etman, L. F. P., Wood, Derren W.

“…We propose to replace a number of popular approximations by their diagonal quadratic Taylor series expansions. The resulting separable quadratic approximations…”
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A specification language for problem partitioning in decomposition-based design optimization by Tosserams, S., Hofkamp, A. T., Etman, L. F. P., Rooda, J. E.

“…Decomposition-based design optimization consists of two steps: partitioning of a system design problem into a number of subproblems, and coordination of the…”
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A micro-accelerometer MDO benchmark problem by Tosserams, S., Etman, L. F. P., Rooda, J. E.

“…Many optimization and coordination methods for multidisciplinary design optimization (MDO) have been proposed in the last three decades. Suitable MDO benchmark…”
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Sequential approximate optimization using dual subproblems based on incomplete series expansions by Groenwold, Albert A., Etman, L. F. P.

“…In this paper, dual formulations for nonlinear multipoint approximations with diagonal approximate Hessian matrices are proposed; these approximations for…”
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