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Tyre Sensor - Coggle Diagram
Tyre Sensor
Tyre
Measurements
Rubber temperature
Friction
Wearout and side slip
Load on the tyre
Tyre rubber thickness
Internal temperature
Pressure
Acceleration
Speed
Condition of the road
Force
Advantages
Must last the life of the tire (not the life of the wheel)
More possible measurands
Physical component in direct contact with the road
Avoid air leads
Requirements
Robustness regarding acceleration (up to 2500g)
Maxim system weight to avoid tyre unbalance (7g)
Minmum life time (~8 years)
Disdvantages
Need to fullfil the requirements
Difficult to replace
More accurate for
Acceleration
Force
Wheel
Measurements
Temperature
Pressure
Acceleration
Angulare rate
Speed
Force
Disadvantages
Must last the life of the wheel (not the life of the tyre)
Less possible measurands
Not in direct contact with the road
Air leaks by mounting on the valve
Advantages
Easier to replace
Less mechanical constraints