Level measurement comparison between 3D vision system based on Kinect and ultrasonic industrial sensor
نویسندگان
چکیده
This paper presents the development of a level control system using 3D machine vision techniques based on a single leveldetector sensor (Kinect), in an arrangement of three tanks. Using image processing algorithms, each one of the tanks is classified within the video sequence as well as each one of the depth measurements is averaged regarding the cross sectional area of the surface of the tanks. This information is used to control the filling level for each tank using a proportional fuzzy controller and a proportional-derivative fuzzy controller. The measured levels by the Kinect were compared to those obtained with an industrial level sensor, concluding that Kinect offers a good measurement precision besides some others inherent advantages like price and multi-sensing. Index terms Fuzzy control, level control, 3D vision, Kinect, image processing, ultrasonic sensor.
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