Abstract
In this paper, a valid kinetic model of photo bioreactor (PBR) used for highly-effective cultivation of blue algae, Spirulina platensis, was developed for fully describing the dynamic characteristics of O 2 concentration, then a closed-loop PBR with Linear-Quadratic Gaussian (LQG) servo controller was established and optimized via digital simulation and dynamic response optimization, and the effectiveness of the closed-loop PBR was further tested and accredited by real-time simulation. The result showed that the closed-loop PBR could regulate and control the O 2 concentration in its gas phase according to the reference with desired dynamic response performance, hence microalgae with unique characteristic could be selected as a powerful tool for O 2 regulation and control whenever O 2 concentration in Bioregenerative Life Support System (BLSS) deviates from the nominal level in emergencies, and greatly enhance safety and reliability of BLSS on space and ground missions.
| Original language | English |
|---|---|
| Pages (from-to) | 608-615 |
| Number of pages | 8 |
| Journal | Bioresource Technology |
| Volume | 104 |
| DOIs | |
| State | Published - Jan 2012 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- Computer simulations
- Dynamic response optimization
- LQG servo controller
- Photo bioreactor
- System dynamics
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