Velocity Measurement Of Flowing Object Using Infrared Sensor

Nurul Fazliyani , Rusli (2009) Velocity Measurement Of Flowing Object Using Infrared Sensor. Project Report. UTeM, Melaka,Malaysia. (Submitted)

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Abstract

This project is to implement a simple measurement of velocity for a flowing object in a conveying pipe. The objective is to utilize the cross correlation method to obtain the velocity of that object by using infrared sensor. The measurements circuit consists of sensors, signal control circuit and data acquisition system. Sensors fixtures are designed based on parallel beam projection technique. To measure velocity, two arrays of sensors are placed upstream and downstream on the pipe. The output from both sensors is cross-correlated. The peak of the cross correlation graph represented the time for the object to move from upstream to downstream. The velocity is obtained by dividing the time and the distance between upstream and downstream. Prototype circuits will be implemented which involved design and implement of signal control circuit, jig and fixture design or fabrication. For data processing method, Visual Basic 6.0 is used for software algorithms on cross correlation calculation. The data is collected using data acquisition system and it was an offline process.

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