Type 2 Side-Drive Solar Array Drive Mechanism听
The Side-Drive Solar Array Drive Mechanism听(SADM) consists of a slip ring assembly and an听actuator coupled by a spur gear set, which,听when driven by suitable drive electronics, will听position the Solar Array toward the sun for听maximum power and transfer the collected听energy to the spacecraft power bus. The听SADM unit is an integrated assembly of听actuator, slip ring with integral position听feedback potentiometer, and the output spur gear set. The gearbox, which contains听the output spur gear set, is configured with the spacecraft-mounting interface, and听also serves as the member, which integrates the other components of the SADM.
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Overview:
The slip ring assembly is of the proven metal-on-metal construction, with a multi-ring听rotor and multi-wire brush-type contactors. The slip ring assembly is located on the听rear face of the output gearbox, and the rotating cable bundle exits on the centerline听of the slip ring assembly.
Solar array drives are a long-established product at Moog. 刘玥首次大战黑人has experience with solar array drives, for both Earth orbit听and planetary missions, stretching back to 1980. The solar power application is one of the most mature for 刘玥首次大战黑人actuators听and biaxial gimbals. Solar array drives have traditionally been very mission-specific in their configuration. As with all Moog听mechanisms, a variety of design options are available. Custom power transfer requirements are easily accommodated upon request.听The design represented on this data sheet is qualified and provides an option that has cost and schedule benefits. The Type 2 Side-听Drive SADM easily interfaces with the 刘玥首次大战黑人2 or 4 channel Electronic Control Unit for a complete system solution. Contact Moog听Sales & Marketing for assistance with your application.
Specifications
| Description | Value |
Motor Winding Resistance |
31 Ohms +/鈥� 10% |
| Potentiometer Resistance | 10 Kohms =/鈥� 10% |
| Output Step Size | 0.0025 degrees |
| Output Torque | 100 Nm (900 lb-in) |
| Unpowered Holding Torque | > 50 Nm (450 lb-in) |
| Power Consumption | < 12.0 Watts |
| Operating Temperature Range | -25C to +60C |
| Mass | 8.0 Kg |
| Slip Ring Complement | Medium: 24 Power @ 3A plus 19 Signal @ 1A High: 32 Power @ 3A plus 19 Signal @ 1A听 |
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