System Dynamics and Control of a Linear Compressor for Stroke and Frequency Adjustment | Zendy

BinJuine Huang | Zendy; YangChing Chen | Zendy

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System Dynamics and Control of a Linear Compressor for Stroke and Frequency Adjustment

Author(s) -

BinJuine Huang,

YangChing Chen

Publication year - 2001

Publication title -

journal of dynamic systems measurement and control

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.528

H-Index - 89

eISSN - 1528-9028

pISSN - 0022-0434

DOI - 10.1115/1.1433802

Subject(s) - control theory (sociology) , overshoot (microwave communication) , reciprocating compressor , controller (irrigation) , gas compressor , step response , crank , steady state (chemistry) , computer science , stroke (engine) , system dynamics , control system , automatic frequency control , control engineering , engineering , control (management) , mechanical engineering , motion (physics) , telecommunications , agronomy , chemistry , electrical engineering , artificial intelligence , biology

This paper presents results of an investigation on the system dynamics and the controller design of a linear compressor for stroke and frequency adjustment. A system dynamics model was derived and identified experimentally. A control system was designed based on the system dynamics model. The control system used a PDF (Pseudo-DerivativeFeedback) algorithm. The results of step response test for stroke regulation show that, it takes about 0.2 s for the regulation with small overshoot and negligible steady-state error. For the step change of operating frequency, it takes about 0.4 s to reach steady state with small tracking error. The control system also has very good performance for disturbance rejection. The transient periods are about 0.2 s with stroke variation to within 10%. The controller is shown to have the capability to replace the conventional crank-shaft mechanism as in a reciprocating compressor. The controller can also be used to regulate both stroke and frequency of the compressor during operation. The performance can thus be very flexible and efficient for a system using the linear compressor and the present control system. @DOI: 10.1115/1.1433802#

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