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Naval Steering and Diving Control Actuation System (SDCAS)

101-85-1-NAVAL-STEERING-AND-DIVING-CONTROL-ACTUATION-SYSTEM-(SDCAS)-grey-bckgrd-700x400.psd

The Steering and Diving Control Actuation System (SDCAS) controls the four (4) main control surfaces, or fins, of an unmanned underwater vehicle (UUV). The system receives digital commands over a serial bus (multiple protocols are available) and power from either AC or DC bus power. SDCAS drives each fin to the master controllers commanded position independently. The system also outputs various system monitor parameters, warnings, and faults. This includes motor temperatures, fin lock status, bus current and voltage, and communication status with each actuator.

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Key Actuator Features

  • Customizable output torque, slew angle, and speed听
  • BLDC motor provides highly reliable, acoustic sensitive actuation听
  • Failsafe options are customizable for specific applications听
  • Output shaft lock solenoids available听
  • Pressure compensated housings available for application specific depth requirements听
  • Multiple position feedback options available, including redundant options

Key Controller Features

  • Integrated power supply customizable for various input power听
  • Multiple fieldbus communication protocols available听
  • Position, velocity, or torque loop closure options听
  • Customizable switching frequencies and communication baud rate听
  • Customizable failsafe options for communications loss听
  • Multiple feedback device options available
101-86-1-NAVAL-STEERING-AND-DIVING-CONTROL-ACTUATION-SYSTEM-(SDCAS)-grey-bckgrd-700x400.psd

Actuator Performance Summary

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FeaturesSpecifications
Stroke卤 30掳听
Stall Torque>500 in-lbs.
No load speed&驳迟;20掳/蝉
Loaded speed>15掳/s @ 300 in-lbs.
Rated power0.012 HP
Peak motor current0.7 A
Actuator weight19 lbs.听
Max braking torque (wave slap)1000 ft-lbs.
Operating temperatures28掳 - 85掳F
Pressure rating>5000 ft
101-87-1-NAVAL-STEERING-AND-DIVING-CONTROL-ACTUATION-SYSTEM-(SDCAS)-grey-bckgrd-700x400.psd

Controller Performance Summary

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FeaturesSpecifications
Supply voltage8 鈥� 300 VDC
Communications interfaceMultiple options
Position feedbackResolver, encoder, HED听
Controller weight~33 lbs.
Operating temperatures28掳 鈥� 85掳F听
Pressure rating>5000 ft

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