scholarly journals An Active Tracking System Using IEEE 802.15.4-Based Ultrasonic Sensor Devices

Author(s):  
Shinyoung Yi ◽  
Hojung Cha
2013 ◽  
Vol 448-453 ◽  
pp. 1437-1445
Author(s):  
Emmanuel B. Balogun ◽  
Xu Huang ◽  
Dat Tran

There have been recent research interests in obtaining an optimum efficient design for the solar tracking system in published papers over the past three decades. This paper presents an in-depth overview of the assessment parameters and characteristics of various sensor devices employed to provide precise feedback control mechanism used in dynamic solar tracking systems. We found that the webcam sensor device has superior capability compared to other solar sensors devices. In conclusion, we propose a future research direction for a better efficiency and effective dynamic solar tracking system. Keywords: Solar tracking; Solar sensors; Solar panels; Overall output generated energy; Webcam; Photoresistors; Photodiodes; Feedback Control mechanism


2012 ◽  
Vol 4 (S1) ◽  
pp. 49-57
Author(s):  
Mohamad Faizal Abd. Rahman ◽  
Mohd Ikhwan Hadi Yaacob ◽  
Mohd Rizal Arshad ◽  
Asrulnizam Abd. Manaf

Sensors ◽  
2016 ◽  
Vol 16 (1) ◽  
pp. 110 ◽  
Author(s):  
Dongwook Jung ◽  
Jong Lee ◽  
Su Gwon ◽  
Weiyuan Pan ◽  
Hyeon Lee ◽  
...  

The robot is intended to follow protests by turning left and ideal to keep the article in sight and driving forward and in reverse to keep up a consistent separation between the robot and the item. Pictures are obtained through the camera of a Raspberry-pi gadget which is appended to the robot. The camera is appended to servos on the robot which enable the camera to skillet and tilt. A few picture handling methods are utilized to distinguish the area of the article being followed in the pictures. The vehicle route utilizing the information transmission time is expanded with the convention standard. Correspondences between two hubs (equipment and application) are practiced through IEEE 802.15.4. The client can give the source and goal hub address to the server segment. Utilizing QR code by executing DIJSKTRA calculation the most brief way can be effectively decided. Metal discovery should be possible by utilizing inductive closeness sensor. Ultrasonic sensor is utilized for finding the separation between the robot and article to be picked.


Author(s):  
F. Bonizzi ◽  
L. Sedoni ◽  
D. Sganzerla ◽  
U. Manzoli ◽  
P. Pavan

Author(s):  
Paul A. Wetzel ◽  
Gretchen Krueger-Anderson ◽  
Christine Poprik ◽  
Peter Bascom

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