暖通空调系统英文文献及中文翻译
I. INTRODUCTION
The consumption of energy by heating, ventilating, and
air conditioning (HVAC) equipment in industrial and com-
mercial buildings constitutes a great part of the world energy
consumption [1]. In spite of the advancements made in mi-
croprocessor technology and its impact on the development
of new control methodologies for HVAC systems aiming at
improving their energy efficiency, the process of operating
HVAC equipment in commercial and industrial buildings is
still an inefficient and high-energy consumption process.
It has been estimated that by optimal control of HVAC
systems almost 100 GWh energy can be saved yearly in
Denmark (five million inhabitants) [2]. It shows that a huge
amount of energy can be saved and according to the current
energy prices it will be reasonable to invest a little bit more
in the first cost of HVAC systems.
In this paper, an integrated control system is developed.
That is, in the proposed control system there is no need for
an expilicit supervisory layer to make the system work in
its optimal conditions. The optimal control strategy that has
been developed in [2] is implemented here. So, the controller
follows the optimal control strategy while it tracks the set-
point. In Section II, the dynamic model of the HVAC system
is described. The controller design is presented in Section III.
Finally, the results of applying the proposed control system
is shown in Section IV.
Mohammad Komareji is a PhD student in The Department of Control and
Automation, Institute of Electronic Systems, Aalborg University, Aalborg,
Denmark; komareji@control.aau.dk
Jakob Stoustrup is with Aalborg University as a Professsor in The
Department of Control and Automation; jakob@control.aau.dk
Henrik Rasmussen is with Aalborg University as an Associate Professor
in The Department of Control and Automation; hr@control.aau.dk
Niels Bidstrup is with Grundfos Management A/S as a Chief Engineer,
Ph.D.; nbidstrup@grundfos.com
Peter Svendsen is with Danish Technological Institute (DTI) as a Project
Manager; Peter.Svendsen@teknologisk.dk
Finn Nielsen is with Exhausto A/S as a Project Manager;
FNI@exhausto.dk
TABLE I
NOMENCLATURE
qa inlet or outlet air flow (m3=h)
TE21 outdoor air temperature (
oC)
TE22 temperature of outdoor air after heat recovery (
oC)
TE11 room air temperature (
oC)
TE12 temperature of room air after heat recovery (
oC)
qwt water flow of the tertiary circuit (l=h)
qws water flow of the supply (primary/secondary) circuit (l=h)
Twin tertiary supply water temperature (
oC)
Twout tertiary return water temperature (
oC)
Tinlet temperature of the supply air (
oC)
T pin primary/secondary supply water temperature (
oC)
T pout primary/secondary return water temperature (
oC)
ht2 air-to-air heat exchanger temperature efficiency
(ht2 = TE22 TE21
TE11 TE21 )
rw water mass density (Kg=m3)
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