Mts SWIFT 10 ATV Sensor Manual de usuario descargar pdf (Pagina 33)

Transducer Interface

SWIFT 10 ATV Sensors Hardware Overview

The TI transforms eight inputs (amplified bridge signals) into three forces and

three moments by the following process:

• Applying a zero offset and scaling the signals

• Using a geometric matrix to transform the signals into three forces and three

moments in the transducer reference frame

• Using a cross-coupling matrix calculation to scale and sum the individual

signals into each output

• In spinning applications, using a rotational transformation to put the forces

and moments into a stationary reference frame

The TI conditions the transducer signals, producing seven analog output signals

proportional to the following values:

• Longitudinal force (Fx)

• Lateral force (Fy)

• Vertical force (Fz)

• Overturning moment (Mx)

• Driving/Braking moment (My)

• Steering moment (Mz)

• Angle output (θ)

Analog signals The force and moment signals are output from the TI in the form of ±10 V

full

scale analog signals. These signals can be used by most data acquisition systems.

The angle output is an analog voltage that is proportional to angular position. At

0° the output is 0 V. At 360°, the output is 5 V.

Fx1

Fx2

Fy1

Fy2

Fy3

Fy4

Fz1

Fz2

Geometric

Matrix

Zero and

Scaling

Cross

Coupling

Matrix

Rotational

Transformation

Inputs Outputs

Transducer Interface Functions

S50-011

1. Standard from MTS. Other full-scale output voltages can be evaluated and may be

provided at special request.

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Mts SWIFT 10 ATV Sensor Manual de usuario Pagina 33

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