A Variable Rate Fertilization System Based on ARM and its Realization

Ying Jie Yu; Zhen Yang Ge; Shu Hui Zhang

doi:10.4028/www.scientific.net/AMM.303-306.1465

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 303-306A Variable Rate Fertilization System Based on ARM...

A Variable Rate Fertilization System Based on ARM and its Realization

Abstract:

A variable rate fertilizer application system with ARM microprocessor as control core was developed. The structure and realization principle of the system were introduced. The system consists of two velocity sensors of photoelectric encoder and proximity transducer, an ARM controller, and an executive unit of stepper motor. The system has automatic and manual variable rate fertilization modes. In the automatic mode, the system can be positioned automatically without GPS, and controls the stepping motor’s rotational speed according to the fertilizing amount in different grid to realize variable rate fertilization. In the manual mode, the controller combines the fertilizing amount in different grid input manually through the keys with the velocity of the applicator, and calculates the stepping motor’s rotational speed to realize the variable rate fertilizer application. The applicator working status can be seen in LCD on the controller. The experimental results show that the system can work properly.

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Periodical:

Applied Mechanics and Materials (Volumes 303-306)

Pages:

1465-1469

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.303-306.1465

Citation:

Cite this paper

Online since:

February 2013

Authors:

Ying Jie Yu, Zhen Yang Ge, Shu Hui Zhang

Keywords:

ARM, System, Variable Rate Fertilization

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