Publication

Predictive control for back-up auxiliary heaters in passive solar devices

Thomas Liebling
1986
Reports

Abstract

Using control theory, apredictive thermal regulation of the "certainty equivalence" type has been developped. Stochastic models of hourly solar rediation and outdoor air temperature, based on the theory of Markov and ARMA processes, were set up for this purpose. Computer simulations have been carried out in order to determinate the performances of this predictive control when applied to a direct gain solar room. By these numerical exponents, its was shown that energy savings can be achieved when comparing this regulation to an ideal indoor thermostat control.

Official source

https://infoscience.epfl.ch/entities/publication/f68fadb4-966e-4322-b1c6-515ea4b33a93

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Thomas Liebling
1986
Reports

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/f68fadb4-966e-4322-b1c6-515ea4b33a93

About this result

Related concepts (32)

Passive solar building design

In passive solar building design, windows, walls, and floors are made to collect, store, reflect, and distribute solar energy, in the form of heat in the winter and reject solar heat in the summer. This is called passive solar design because, unlike active solar heating systems, it does not involve the use of mechanical and electrical devices. The key to designing a passive solar building is to best take advantage of the local climate performing an accurate site analysis.

Stochastic control

Stochastic control or stochastic optimal control is a sub field of control theory that deals with the existence of uncertainty either in observations or in the noise that drives the evolution of the system. The system designer assumes, in a Bayesian probability-driven fashion, that random noise with known probability distribution affects the evolution and observation of the state variables. Stochastic control aims to design the time path of the controlled variables that performs the desired control task with minimum cost, somehow defined, despite the presence of this noise.

Daylighting

Daylighting is the practice of placing windows, skylights, other openings, and reflective surfaces so that direct or indirect sunlight can provide effective internal lighting. Particular attention is given to daylighting while designing a building when the aim is to maximize visual comfort or to reduce energy use. Energy savings can be achieved from the reduced use of artificial (electric) lighting or from passive solar heating.

Related publications (22)

Predictive control for back-up auxiliary heaters in passive solar devices

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