nelson_sepulveda_poster_new_version
TRANSCRIPT
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This material is based upon work supported by NSF through
Grants No. NSF-ECCS 1139773 and The Kinesis Foundation.
[1]R. Cabrera, E. Merced, and N. Sepúlveda, “A micro-electro-
mechanical memory based on the structural phase transition of
VO 2,” Phys. Status Solidi, vol. 1711, 2013.
[2] D. L. Hu, M. Prakash, B. Chan, and J. W. M. Bush, “Water-
walking devices,” Exp. Fluids, vol. 43, no. 5, pp. 769–778,
2007.
[3] I. Lita, D. a. Visan, and I. B. Cioc, “LabVIEW application for
movement detection using image acquisition and processing,”
Des. Technol. Electron. Packag. (SIITME), 2010 IEEE 16th Int.
Symp., pp. 225–228, 2010.
OPTICAL TRACKING OF VO2-BASED MICRO-ACTUATOR USING ARDUINO AND LABVIEW
SOFTWARE Nelson Sepúlveda Ramos 1, Tongyu Wang 2, and Nelson Sepúlveda 2
1Department of Electrical and Computer Engineering, University of Puerto Rico, Mayaguez, PR, 006802Department of Electrical and Computer Engineering, Michigan State University, East Lansing, MI 48223
Setup the Camera
Tracking and Detection of
Objects
Creation of Commands
Program Arduino through
LabVIEW
Process Image
Raw Image Processed Image
Object Detected Tracked Object
INTRODUCTION METHODOLOGY(Cont.) RESULTS and CONCLUSIONS
REFERENCES
ACKNOWLEDGEMENTS
METHODOLOGY
1
2
Benefits of using VO2 for
water walking device :
Locomotion via photo-
thermal
Untethered connection
Actuator is a device that
converts energy into motion
Previous Water Walking devices
Locomotion uses an elastic
pulley
Tethered connection
Vanadium Dioxide(VO2)[1]
Live Setup
1. Processing of Image:
Thresholding
Coverts image from
different greys levels to
black and white
2. Select the Object for
Tracking
3. Calculate Position
Using Centroid, provides
(x,y) coordinates
4. Actual position to
Reference
Determine if the object
has moved
5. Classify Direction
Determines if the
movement of the object
was left or right
Additional information*
Steps of tracking program
I
Initialize Camera
Initialize Arduino
Acquire Continuous
Images
Calculate Position of
Object*
Processing of the
Image*
Make a Template of
the Object*
Start Program
Classify Direction*
Send Information to
Arduino
Follow Object with
Motor
Stop Program
Compare Position to
Reference*
[2]
Figure 1 Represent the procedure to taken for the project Figure 4 Represent the steps for the tracking programFigure 3 Represent the experimental setup for the laser tracking device
1
2
Figure 2 Represent the live setup for the laser tracking device
Figure 5 Represent the experimental results of a “white board” marker being tracked
Develop a wireless tracking system to monitor and control
the movement of untethered VO2-based water walking
arthropod devices.
OBJECTIVE Tracking of an object in real time to get the exact position
were successfully determined using centroid function results
shown in Fig. 5.
This was performed to have the necessary information to
determine where the device has moved.
Controlling the motor using Arduino and LabVIEW to track and
follow the movement of an object was performed.(Fig.2)
This was done to produce locomotion of the device.
Assembly Laser Tracking Device
Micro-
Actuator
Laser
Arduino
Stepper
Driver
Motor
Camera
Computer
Feedback
Fully reversible solid to
solid phase transition.
Electrical, mechanical,
and optical properties
change abruptly as a
function of temperature.