A Novel Approach of Thermal Process Control for Uniform Temperature
نویسندگان
چکیده
Uniform temperature control of heating plate with a wide thermal conduction area is required in many industrial application fields. In this paper, a novel approach for uniform heating based on the physical property of thermal conduction is proposed. The main idea of the proposed scheme is to control the average and gradient temperatures between arbitrary points whereas in conventional way direct PID control is applied for each heating points. The control system provides the good uniformity not only in steady state but also in transient state. In order to confirm the effectiveness of the scheme, some experimental results are shown and evaluated. Copyright c ©2005 IFAC
منابع مشابه
Effect of Variable Thermal Conductivity and the Inclined Magnetic Field on MHD Plane Poiseuille Flow in a Porous Channel with Non-Uniform Plate Temperature
The aim of this paper is to investigate the effect of the variable thermal conductivity and the inclined uniform magnetic field on the plane Poiseuille flow of viscous incompressible electrically conducting fluid between two porous plates Joule heating in the presence of a constant pressure gradient through non-uniform plate temperature. It is assumed that the fluid injection occurs at lower pl...
متن کاملThermal Simulation of Solidification Process in Continuous Casting
In this study, a mathematical model is introduced to simulate the coupled heat transfer equation and Stefan condition occurring in moving boundary problems such as the solidification process in the continuous casting machines. In the continuous casting process, there exists a two-phase Stefan problem with moving boundary. The control-volume finite difference approach together with the boundary ...
متن کاملA Novel Robust Adaptive Trajectory Tracking in Robot Manipulators
In this paper, a novel adaptive sliding mode control for rigid robot manipulators is proposed. In the proposed system, since there may exist explicit unknown parameters and perturbations, a Lyapunov based approach is presented to increase system robustness, even in presence of arbitrarily large (but not infinite) discontinuous perturbations. To control and track the robot, a continuous controll...
متن کاملThree-dimensional numerical simulation of temperature and flow fields in a Czochralski growth of germanium
For a Czochralski growth of Ge crystal, thermal fields have been analysed numerically using the three-dimensional finite volume method (FLUENT package). The arrangement used in a real Czochralski crystal growth lab included a graphite crucible, heat shield, heating device, thermal insulation and chamber including two gas outlets. We have considered two cases for calculations, which are configur...
متن کاملA Novel Clustering Approach for Estimating the Time of Step Changes in Shewhart Control Charts
Although control charts are very common to monitoring process changes, they usually do not indicate the real time of the changes. Identifying the real time of the process changes is known as change-point estimation problem. There are a number of change point models in the literature however most of the existing approaches are dedicated to normal processes. In this paper we propose a novel app...
متن کامل