Experimental study on Thermoelectric cooling module for CPU radiating System
Date Issued
2010
Date
2010
Author(s)
Lee, Hsin-Hsin
Abstract
As semiconductor manufacturing technology progress rapidly, the performance of CPU(central processing unit) has risen accordingly ,which means that the heat flux per unit volume has been increasing. The traditional air-cooled radiators can no longer satisfied the requirement. In accordance with Moore’s Law, the performance of CPU will soon be restricted by the challenge of heat dissipation in the near future.
Thermoelectric cooling technology is the application of Peltier effect. By controlling the input current of thermoelectric cooler, the heat would transmit from the relative colder side to the hotter side. Older technologies showed that Intelligent Neural Network Control and Adaptive Control theories fit well at non-linear or time-varying systems. This study used these two theories to design CPU thermal controller modules.
Experimental results showed that both of these two controllers’ settling time and steady state error are outstanding. This indicated the performance of CPU could be enhanced and reliability by this cooling module.
Subjects
Neural Network Control
FIR Adaptive Control
Thermoelectric Cooling
Type
thesis
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