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Mini-Sextant Tracking Mount |
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Photo-Sonics is pleased to announce the addition of the
Mini-Sextant to our line of optical tracking mounts, joining
our proven Nano-Sextant, Mobile Multi-Spectral TSPI Systems
(MMTS), Cine-Sextant and Super-RADOT systems.
The design of the Mini-Sextant provides four sensor
stations for collection of highly accurate
Time-Space-Position-Information (TSPI) or Engineering
Sequential Data (ESD) from high dynamic airborne targets.
The Mini-Sextant has a significant amount of torque in
azimuth and elevation and will provide dynamic performance
equal to that of the MMTS.
Its unique balance of available torque, positioning
accuracies and payload flexibility allows the system to be
configured with optics best suited for close-in launch
missions or down range for longer range fly-out missions
without compromising dynamic performance or accuracy.
Payload Flexibility - Photo-Sonics has
over
50 years experience in the design selection,
fabrication and integration of sensor suites
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Mini-Sextant |
on Optical
Tracking Systems (OTS). Depending
upon your mission needs, a fully integrated Mini-Sextant can be
configured with a combination of long-range / short-range optics with a combination of long-range / short-range
optics, and laser range finders. While the recommended maximum total payload is 400 pounds, additional payload
may be supported with reduced dynamics and accuracies.
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| Mini-Sextant: Palette Mounted |
Mini-Sextant: Pedestal Mounted |
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Robust Pedestal Construction —
Photo-Sonics utilizes Almag‑35, an aluminum magnesium
alloy,
which provides excellent corrosion resistance to
support long life with minimal maintenance in the
harshest
environments. We
use only full size bearings to provide the highest stability
and accuracies,
as opposed to narrow diameter bearings
found in lesser systems.
Powerful, DC torque motors are
provided in both
the azimuth and elevation axis are coupled to the identical
9-inch diameter, 24-bit
optical encoders used in our
flagship tracking system, the MMTS.
Pedestal Support
Electronics —
The modularity of the Mini-Sextant control electronics
supports
several installation scenarios.
The Trunnion Computer Unit, vital for real-time
operations of the
pedestal, sensors and optics is located
within the pedestal.
The Digital Servo Amplifier (DSA),
RFI power filters
and I/O panel are packaged in enclosures at the pedestal
site. The
remaining
electronics such as Base Computer Unit (BCU),
Video Switches, Video Trackers, Video Recorders,
etc., are
installed in the Operator's Console which can be located
in a mobile Operations Van or at
the user’s Mission
Operation Center. |
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Control Software — The ARGUS control
software
provides all the functionality the user
would expect of
an advanced TSPI tracking system. It provides a
single interface for the tracking pedestal,
sensors,
auto-tracking, radar, calibration, target simulation
and
diagnostics of the complete tracking system.
Control of
the
system is simplified via an intuitive touch screen
GUI. The standard ARGUS application can control up to
10
sensor stations, in addition to radar and lasers,
allowing
a
single-operator complete control of all
aspects of a complex
and highly capable system from
a remote location. It also
provides the control of single
and dual-gate auto trackers
and fixed focal length and
zoom lenses and focus tables.
Automated Star
Calibration are incorporated to yield the
highest TSPI
accuracy of any optical tracking system
manufactured today. Visit the ARGUS software page. |
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Operator Console -
Photo-Sonics offers a
variety of console configurations, from our
full- size
console (for location in mission
control center) to
smaller, compact consoles
suitable for mobile command
vehicles or multiple packing cases for transportability.
The default connection between the pedestal and the remote
console is via a single-strand,
single-mode 'dark' fiber
optic cable, which
allows for up to 20 km separation.
Alternative
interfaces including shared fiber optics and
microwave are also supported.
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A standard console consists
of the
following items:
· 19" Touch-Screen Monitor
for the main GUI
interface
· Video Monitors
(2, 3, or 4
screens available)
· Operator Control Panel
· Mini Keyboard with Control
Stick and Operator
Controls
· Console Computer
· I/O Panel (Fiber optics,
Ethernet switches)
· Optional UPS
System
Options:
Trailer Configuration
The Mini‑Sextant can be
configured
with a ruggedized
trailer system customized for
operations at multiple sites.
Shipboard Stabilization
Photo-Sonics can configure
the Mini-Sextant with a
stabilization system to allow
use of the system at sea.
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Mini-Sextant System Specifications
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System Accuracy, Fixed Mount |
±10 arc-seconds (50 micro-radians), 2σ
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Bearings
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28” diameter azimuth thrust
bearing
16” diameter elevation ball
bearing
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Drive System
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Direct drive DC torque motors (brush type)
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Torque
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Azimuth
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350 foot pounds (475
N•m)Elevation
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350 foot pounds (475
N•m)
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Velocity (nominal payload)
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Azimuth
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120°/second
Elevation
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120°/second
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Acceleration
(nominal payload)
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Azimuth
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120° sec²
Elevation
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120°
sec²
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Closed Loop Servo Bandwidth
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Azimuth
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8-10 Hertz
Elevation
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8-10 Hertz
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Nominal Payload
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200 pounds per platform
(at rated payload moment of inertia design
specification)
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Non-Orthogonality
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± 5 arc seconds
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Encoders (optical, absolute)
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24-bit
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Elevation Travel
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-15° to +195°
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Azimuth Travel
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±270°
(cable wrap configuration)
Continuous
(slip-ring configuration)
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Transit Locks
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Locking stow pins in AZ and EL axis
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Height
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78”
(pedestal base)
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Power
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3-phase European or US AC power
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© 2019 Photo-Sonics, Inc. |
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