- Flight control / navigation
- Flap actuators
- Fuel control
- Cockpit control
Resolvers
AS-887-001
Rotary Variable Differential Transformer
A Rotary Variable Differential Transformer (RVDT) is an electromechanical transducer that provides a variable alternating current (AC) output voltage that is linearly proportional to the angular displacement of its input shaft. When energized with a fixed AC source, the output signal is linear within a specified range over the angular displacement.
RVDT’s utilize brushless, non-contacting technology to ensure long-life and reliable, repeatable position sensing with infinite resolution. Such reliable and repeatable performance assures accurate position sensing under the most extreme operating conditions.
Moog Components Group offers six frequency optimized RVDT’s in a basic size 8 configured housing. Each is designed to operate at a specific frequency. Frequency optimization provides the benefit of an increased operating range of angular displacement with a reduction in sensor size and weight.
| Model No. | AS-887-001 |
|---|---|
| Input | |
| Voltage | 7.0 Vrms |
| Frequency | 3000 Hz |
| Impedance | 217 + j448 |
| Output | |
| Scale Factor | 0.052275 V / Deg. |
| Angular Disp. | ± 30 Deg. |
| Accuracy | ± 0.25 Deg. |
| Phase Angle | ± 7 Deg. |
| Impedance | 114 + j103 |
| Test Load | 40,000 Ohm |
| Variation with Temp. | 0.01% / Deg. C Max. |
Typical Applications
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