Greenhouse Moisture and Temperature Fuzzy Control System and PLC Program Design

Abstract:

Greenhouse environment system is an often nonlinear, change and inertia complex system. It is very hard to build math model and control. Since moisture and temperature have a influence to crops grow, we select them to build the manner of control system, applying fuzzy control system to design moisture and temperature controller, and to write fuzzy control program based PLC, then we should observe the factual control effect. The result of system running show: when temperature is set to 25oC and moisture is 80%RH, the process of control is stable and the system is very stable, it can meet the greenhouse requirement.

• Periodical: Applied Mechanics and Materials (Volume 721)
• Pages: 265-268
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.721.265
• Online since: December 2014
• Authors: Mao Qi Huang, Jian Hong Ke*, Xiao Long Wu
• Keywords: Fuzzy Control, Greenhouse Environment System, PLC Program Design

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