88725775
Dec 12, 2019
A wireless monitoring device being a sensor comprised of a 3D printed outer shell and inner core for the monitoring and assessment of the railroad ballast safety and stabilization with an inner core comprised of a tri-axial gyroscope, a tri-axial accelerometer and a tri-pressure cell for recording of the particle rotation, acceleration and contact force in real-time due to the movement of surrounding ballast particles
Electrical and Scientific Apparatus