Extremum seeking control of a tunable thermoacoustic cooler

被引：64
作者：
Li, YY
Rotea, MA
Chiu, GTC
Mongeau, LG
Paek, IS
机构：
[1] Purdue Univ, Sch Mech Engn, Ray W Herrick Labs, W Lafayette, IN 47907 USA
[2] Purdue Univ, Sch Aeronaut & Astronaut, W Lafayette, IN 47907 USA
来源：
IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY | 2005年 / 13卷 / 04期
基金：
美国国家科学基金会;
关键词：
extremum seeking control (ESC); thermoacoustic cooler; tunable Helmholtz resonator;
D O I：
10.1109/TCST.2005.847334
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, the performance of a prototype standing wave thermoacoustic cooler is optimized using an extremum seeking control (ESC) algorithm. A tunable Helmholtz resonator was developed for a thermoacoustic cooler to change the boundary condition of the standing wave tube. The volume of the resonator is changed by changing the location of a piston on a ball-screw assembly driven by a de motor. Multiparameter ESC was applied to optimize the cooling power via tuning both the boundary condition (piston location) and the driving frequency. Experiments were conducted for the online optimization under both fixed and varying operating conditions. The experimental results demonstrated the effectiveness of using ESC for maintaining maximum achievable performance. The effect of changing parameters in the ESC algorithm on the transient behavior was also investigated.
引用
收藏
页码：527 / 536
页数：10
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