Mts SWIFT 10 ATV Sensor Uživatelský manuál Strana 24

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SWIFT 10 ATV Sensors
24
Coordinate System
Hardware Overview
Coordinate System
In the transducer, independent strain gage bridges measure forces and moments
about three orthogonal axes. The signals are amplified to improve the signal-to-
noise ratio. An encoder signal measures angular position, which is used to
convert raw force and moment data from the rotating transducer to a vehicle-
based coordinate system. The force, moment, and encoder information are sent to
the transducer interface (TI).
The TI performs cross talk compensation and converts the rotating force and
moment data to a vehicle coordinate system. The result is six forces and moments
that are measured at the spindle: Fx, Fy, Fz, Mx, My, and Mz. A seventh
(angular) output is available for tire uniformity information, angular position, or
to determine wheel speed (depending on the data acquisition configuration).
Fx
Fy
Fz
Mz
Mx
My
Transducer
Interface
Output signals
±10 Volts
Angular
Position
Bridge
Outputs
S10-10
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