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Zhang, H
Zhang, C
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Authors
Zhang, C
Xue, X
Chen, L
Huang , W
Zhang, R
Chen, L
Yi, T
Guo, Y
Zhang, H
Topics
Engineering Technologies and Advances
Unmanned Aerial Systems
Type
Poster
Year
2012
2016
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Authors

Filter results2 paper(s) found.

1. Design Of A Data Acquisition System For Weighing Lysimeters

The weighing lysimeter is an important tool for scientists to conduct... C. Zhang, X. Xue, L. Chen, W. Huang

2. Development of a PWM Precision Spraying System for Unmanned Helicopter

Application of protection materials is a crucial component in the high productivity of agriculture. Motivated by the needs of aerial precision application, in this paper we present a pulse width modulation (PWM) based precision spraying system for unmanned helicopter. The system is composed of the tank, pipelines, pump, nozzles and the automatic control unit. The system can spray with a constant rate automatically when the speed of the UAV fluctuates between 1 m/s to 8 m/s. The application rate... R. Zhang, L. Chen, T. Yi, Y. Guo, H. Zhang