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3634 — Receding Horizon Control: A Model-Based Policy for HVAC Applications

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Conference Proceeding by ASHRAE, 1993

Category:

Description

A predictive control policy that uses a finite-time horizon with end-time constraints is described. The control law minimises actuator movement while satisfying both process and control output constraints imposed at the end of the time horizon. A single user-definable parameter, directly related to the desired closed-loop settling time of the system, can be used to tune the controller. At commissioning, the algorithm automatically selects the appropriate sample rate, internal model, and control parameters. Open-loop tests illustrating this feature are presented. Finally, servo-regulatory response is presented for several HVAC applications to illustrate the performance of the algorithm.

KEYWORDS: building services, algorithms, calculating, predictive controls, performance, planning, testing, commissioning.

Citation: ASHRAE Transactions 1993, Vol.99, pt.1

Product Details

Published:
1993
Number of Pages:
10
File Size:
1 file , 1000 KB
Product Code(s):
D-17626