Mts SWIFT 10 MC Sensor Manuel d'utilisateur télécharger pdf (Page 22)

SWIFT 10 MC Sensors

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 three forces and

moments that are measured at the spindle: Fx, Fz, and My.

The coordinate system shown below was originally loaded into the TI settings by

MTS. It uses the right-hand rule.

Transducer

Interface

Output signals

±10 Volts

Angular

Position

Bridge

Outputs

S10MC-10

+Fz

+Fx

S10MC-09

Forces Acting on Rim-side of Transducer

Sprocket

Side

Brake

Side

+My

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Mts SWIFT 10 MC Sensor Manuel d'utilisateur Page 22