منابع مشابه
Optimal Control of Melt Spinning Processes
An optimal control problem for a mathematical model of a melt spinning process is considered. Newtonian and non–Newtonian models are used to describe the rheology of the polymeric material, the fiber is made of. The extrusion velocity of the polymer at the spinneret as well as the velocity and temperature of the quench air serve as control variables. A constrained optimization problem is derive...
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The purpose of this article is to giye an overview of some recent developments in optimal stochastic control theory. The field has expanded a great deal during the last 20 years. It is not possible in this overview to go deeply into any topic, and a number of interesting topics have been omitted entirely. The list of references includes several books, conference proceedings and survey articles....
متن کاملOnline Melt Pool Temperature Control for Laser Metal Deposition Processes
Melt pool temperature is of great importance to deposition quality in Laser Metal Deposition processes. To control the melt pool temperature, an empirical process model describing the relationship between the temperature and process parameters (i.e., laser power, powder flow rate, and traverse speed) is established and verified experimentally. A general tracking controller using the Internal Mo...
متن کاملSimulation of Multifilament Semicrystalline Polymer Fiber Melt-Spinning
The goal of this effort is to provide an accurate simulation of multifilament fiber melt spinning, applicable for a wide range of material and process conditions. For ease of use, the model should run on a standard laptop or desktop computer in reasonable time (one hour or less). Most melt spinning models simulate the formation of a single filament, with little or no attention given to multifil...
متن کاملMelt Spinning, Functionalization and Durability of Polyetheretherketone-Based Fibres
............................................................................................................................................ i Preface .............................................................................................................................................. ii List of publications ..................................................................................
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ژورنال
عنوان ژورنال: Journal of Engineering Mathematics
سال: 2010
ISSN: 0022-0833,1573-2703
DOI: 10.1007/s10665-010-9363-2