Real-time mapping of friction and shear force
This is a planar sensor sheet that can measure friction and shear force simultaneously at multiple points in real time.
Until now, in order to know the in-plane distribution of frictional force, it was necessary to arrange multiple single-point 3-axis force sensors on the contact surface for measurement.
NISSHA has developed a sensor sheet that can map the distribution of frictional force with only 3 mm pitch by arranging force sensors based on film in a matrix. This is a completely new sensor that can measure not only pressure but also horizontal stress change in real time by sensing the deformation of the elastic film.
Flat sensor sheet
Since it uses a film base and has a very thin structure, it can be installed flat on floors and roads.
Since there is no difference in height between the installation surface and the sensor seat surface, it is possible to smoothly analyze running with tire, walking motion, fluid movement, etc..
Precise sensor matrix
The sensors are arranged in a matrix at approximately 3mm intervals.
The frictional force is measured by disassembling it in the X and Y axes.
You can finely map the distribution of frictional force applied to structures such as tires and shoe soles.
You can visualize the distribution of frictional force on the tire contact surface.
It maps in real time the static state, low-speed passage, and the change in frictional force due to the twist of the tire when turning the steering wheel.
Map the direction and strength of the frictional force on the sole structure.
When walking or running, you can observe how the direction and strength of the frictional force changes as the contact surface changes from the heel to the toe.
It can be used in sports and healthcare, such as in the development of shoes.
Analysis of tactile sensation and friction of cloth, leather, etc. such as beds, chairs, and clothes
Flow analysis of water, mud, oil, cement, etc.
<Demonstration machine specifications>
Sensor size 240×390mm
Resolution 75 × 75 points (5,625 points)
Sampling rate ~ 10Hz
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