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Vol. 174, Issue 7, July 2014, pp. 164-168

 

Bullet

 

Research on Positioning Algorithm of Forklift-mounted RFID Reader
 

1 Hongjin Wang, 1 Tingting Cheng, 2 Zhan-Ao Wu

1 School of Computer Science and Communication Engineering, Jiangsu University, Zhenjiang, 212013, China
2 The 359th Hospital of PLA, Zhenjiang, Jiangsu, 212000, China
1 Tel.: 18605113399, fax: 0511-88780371

E-mail: DLhjwang@163.com

 

Received: 5 March 2014 /Accepted: 30 June 2014 /Published: 31 July 2014

Digital Sensors and Sensor Sysstems

 

Abstract: To conduct real-time and accurate positioning of the forklifts (people) and goods in the warehouse is an effective means for improving warehouse management efficiency. To this end, this article puts forward the active positioning system with the forklift installed with RFID reader and the ground passageway embedded with RFID tag. In the running process, the position of forklift can be determined through recognition of the reference tags which are embedded at both sides of the passageway based on the three-side layout at right angle principle and their RSSI value. The positional accuracy can be improved by adjusting the layout distance of those reference tags. The experimental results show that this system can realize the positioning function of forklift, and it can be used in practical situations.

 

Keywords: Forklift active positioning, RSSI ranging, Reflection interference, Reference tag, Positional accuracy.

 

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