This work presents an investigation of the bias error introduced in time of flight estimation
realized by subsample interpolation in digital domain. The time of flight estimation is …

This paper presents the improvement of an ultrasonic pulse generator for a pipeline
inspection gauge (PIG), which uses 64 transducers for inspecting distances up to 100 km …

A hybrid approach for the thickness measurement of complex structural parts on a CNC
machine tool is proposed. On-machine probing is firstly carried out to acquire the actual …

Processing speed and accuracy of measurements are important factors reflecting the
performance quality of light detection and ranging (LiDAR) systems. This study proposed a …

Pipeline inspection gauges (PIGs) carry out automatic pipeline inspection with
nondestructive testing (NDT) technologies like ultrasound, magnetic flux leakage, and eddy …

This paper describes a novel method for on-line real-time data reduction of radiofrequency
(RF) ultrasound signals. The approach is based on a field programmable gate array (FPGA) …

Investigation of the errors of Time of Flight (ToF) estimate of ultrasonic signals in case of
multiple reflections environment is presented. Multiple signals environment induces …

Analysis of the noise voltage density evaluation procedures of the ultrasonic preamplifier is
presented. Ultrasonic testing is demanding low noise reception channel. Techniques and …

Acoustic emission (AE) testing is widely employed in robotics technologies due to its non-
destructive property. As the major component of AE testing, the AE sensor significantly …

Multi-Diameter Pipeline Inspection Gauge for Lang Distance Industrial Application Page 1
International Journal of Scientific & Engineering Research, Volume 6, Issue 2, February-2015 …