Power Controllable LED System with Increased Energy Efficiency Using Multi-Sensors for Plant Cultivation

Yong Deok Ahn, Sungwoo Bae and Suk-Ju Kang
Additional contact information
Yong Deok Ahn: Department of Electronic Engineering, Sogang University, Seoul 04107, Korea
Sungwoo Bae: Department of Electrical Engineering, Hanyang University, Seoul 04763, Korea
Suk-Ju Kang: Department of Electronic Engineering, Sogang University, Seoul 04107, Korea

Energies, 2017, vol. 10, issue 10, 1-13

Abstract: In this paper, a power-controllable light emitting diode (LED) control system is proposed for plant cultivation. The proposed LED system measures environmental data, such as the distance between the plant and LED system using an infrared sensor and the ambient illuminance based on an illuminance sensor. Then, it converts the illuminance to the photosynthetic photon flux density (PPFD) for plant cultivation. It analyzes the relationship between the data and LED PPFD, and generates an optimal pulse width modulation (PWM) signal. Therefore, it controls the LED PPFD dynamically. The proposed LED system is also implemented in hardware, which consists of red and blue LED arrays with suitable wavelengths and a micro-controller. In the experimental results, the proposed LED system preserved the target PPFD regardless of the change of the distance and ambient PPFD. Additionally, the proposed LED system maximally reduced the power consumption of a conventional system by up to 68%.

Keywords: light emitting diode (LED); power control; lighting control (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

Downloads: (external link)
https://www.mdpi.com/1996-1073/10/10/1607/pdf (application/pdf)
https://www.mdpi.com/1996-1073/10/10/1607/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:10:y:2017:i:10:p:1607-:d:114979

Access Statistics for this article

Energies is currently edited by Ms. Agatha Cao

More articles in Energies from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager (indexing@mdpi.com).