Over 15 billion dollars is spent on energy for residential air-conditioning alone each year,
and air conditioning remains the largest source of peak electrical demand. Improving the …

Driven by strong market competition, the performance of air conditioning systems has
improved in numerous ways over the years. However, the fundamental control methodology …

Vapor compression systems form the basis for the majority of air conditioning and
refrigeration systems. A primary control challenge addressed here is the coupled nonlinear …

This paper presents a new lumped-parameter model for describing the dynamics of vapor
compression cycles. In particular, the dynamics associated with the two heat exchangers, ie …

This paper presents a new lumped-parameter model for describing the dynamics of vapor
compression cycles. In particular, the dynamics associated with the two heat exchangers, ie …

This paper presents an overview of control systems for heat pumps, and more specifically, a
critical review of control methodologies for thermally activated absorption heat pumps. The …

This paper presents a methodology for developing a low order dynamic model of a
transcritical air-conditioning system, specifically suited for multivariable controller design. An …

In this paper, feedback controller design for the air-conditioning system is addressed
through systematic modeling and identification. Particularly, the physical model of the …

Many systems used in buildings for heating, ventilating, and air-conditioning waste energy
because of the way they are operated or controlled. This paper explores the application of …

This two-part article provides an introduction to dynamic modeling for vapor compression
systems. Part II presents example physics-based models for each component with a …