Showing 1 - 10 of 10
The purpose of this paper is to develop a model which allows for the study and optimization of arbitrarily complex supply networks, including order policies and money flows. We propose a mathematical description that captures the dynamic behavior of the system by a coupled system of ordinary...
Persistent link: https://www.econbiz.de/10008483238
We develop a methodology to investigate optimal dynamic policies for a large class of supply networks. The basic underlying model is a fluid dynamic model for continuous product flows in continuous time. Discrete as well as continuous controls are implemented.
Persistent link: https://www.econbiz.de/10010589945
We develop a model for the evolution of wealth in a non-conservative economic environment, extending a theory developed earlier by the authors. The model considers a system of rational agents interacting in a game theoretical framework. This evolution drives the dynamic of the agents in both...
Persistent link: https://www.econbiz.de/10010821237
The flow of parts through a production network is usually pre-planned by a central control system. Such central control fails in presence of highly fluctuating demand and/or unforeseen disturbances. To manage such dynamic networks according to low work-in-progress and short throughput times, an...
Persistent link: https://www.econbiz.de/10010874080
We present and analyze a model for the evolution of the wealth distribution within a heterogeneous economic environment. The model considers a system of rational agents interacting in a game theoretical framework, through fairly general assumptions on the cost function. This evolution drives the...
Persistent link: https://www.econbiz.de/10010674723
We develop a model for the evolution of wealth in a non-conservative economic environment, extending a theory developed earlier by the authors. The model considers a system of rational agents interacting in a game theoretical framework. This evolution drives the dynamic of the agents in both...
Persistent link: https://www.econbiz.de/10010755251
The buffer allocation problem consists of a dynamical description of the underlying production process combined with stochastic processing times. The aim is to find optimal buffer sizes averaged over several samples. Starting from a time-discrete recursion we derive a time-continuous model...
Persistent link: https://www.econbiz.de/10011190785
Persistent link: https://www.econbiz.de/10010896536
We present a numerical method for solving tracking-type optimal control problems subject to scalar nonlinear hyperbolic balance laws in one and two space dimensions. Our approach is based on the formal optimality system and requires numerical solutions of the hyperbolic balance law forward in...
Persistent link: https://www.econbiz.de/10011151833
This paper is devoted to a numerical solution technique for linear quadratic parabolic optimal control problems using the model order reduction technique of Proper Orthogonal Decomposition (POD). The proposed technique is an inexact gradient descent method where the step size is determined with...
Persistent link: https://www.econbiz.de/10010998353