TY - JOUR
T1 - High-frequency linear compressor and lateral position regulation
AU - Tsai, Nan Chyuan
AU - Chiang, Chao Wen
N1 - Funding Information:
Manuscript received November 16, 2010; accepted January 05, 2011. Manuscript received in final form January 05, 2011. Date of publication February 17, 2011; date of current version December 14, 2011. Recommended by Associate Editor Z. Wang. This work was supported in part by the National Science Council (Taiwan) under Grant NSC 98-2221-E-006-184-MY3.
PY - 2012/1
Y1 - 2012/1
N2 - The mathematical model for the magnetically levitated linear compressor (MLLC), which consists of a magnetic linear actuator (MLA), a pair of active magnetic bearings (AMBs), and a drive rod, is developed. To prevent any potential wear or collision by the drive rod against conventional bearings and certainly reduce noise, the AMB pair is employed to regulate the lateral position deviation of the drive rod. The integral sliding-mode control (ISMC) is synthesized to account for state-dependent system parameters and input nonlinearities for the MLLC system. In addition, the closed-loop stability, under the presence of the reaction force by gas in chamber, is proven by Lyapunov direct method. Finally, the efficacy of the ISMC is verified by intensive computer simulations to ensure its superior regulation capability for lateral position deviation on the drive rod, retention of constant stroke of the piston, and counterbalance against the reaction force by gas during Otto cycle.
AB - The mathematical model for the magnetically levitated linear compressor (MLLC), which consists of a magnetic linear actuator (MLA), a pair of active magnetic bearings (AMBs), and a drive rod, is developed. To prevent any potential wear or collision by the drive rod against conventional bearings and certainly reduce noise, the AMB pair is employed to regulate the lateral position deviation of the drive rod. The integral sliding-mode control (ISMC) is synthesized to account for state-dependent system parameters and input nonlinearities for the MLLC system. In addition, the closed-loop stability, under the presence of the reaction force by gas in chamber, is proven by Lyapunov direct method. Finally, the efficacy of the ISMC is verified by intensive computer simulations to ensure its superior regulation capability for lateral position deviation on the drive rod, retention of constant stroke of the piston, and counterbalance against the reaction force by gas during Otto cycle.
UR - https://www.scopus.com/pages/publications/83655165021
UR - https://www.scopus.com/pages/publications/83655165021#tab=citedBy
U2 - 10.1109/TCST.2011.2105872
DO - 10.1109/TCST.2011.2105872
M3 - Article
AN - SCOPUS:83655165021
SN - 1063-6536
VL - 20
SP - 127
EP - 138
JO - IEEE Transactions on Control Systems Technology
JF - IEEE Transactions on Control Systems Technology
IS - 1
M1 - 5713832
ER -