Aerospace & Defense Technology - April 2021 - 8

Modeling and Simulation

Image Processor
ADL 7000-EPD-01

Reference Mark

Mikroton Camera
EoSens® 4CPX @400 FPS

Mikroton Camera
EoSens® 4CPX @400 FPS
Dual Channel CXP-6 Link

Figure 5. The Diagram of the Final Finished System. (Source: Brazilian Air Force Flight Test and Research Institute)

sult, ADL was able to move the SisTrO
project from the testing stage to a fully
functional solution in less than nine
months.

ADLQM87PC Intel® Core™ i7 Quad
Core. 7000-EPD-01 has the capacity of
2.4 GHz (p/n 292750), with 8 GB
DRAM, 1600 MHz (Figure 4)
* EURESYS dual-channel CXP-6 video
capture card (p/n ADLVIS 1660)
Detailed SisTrO Description
* EURESYS InterPC C2C Link Adapter
The complete SisTrO developed by
for camera shutter synchonization
IPEV is an innovative autonomous com* Astronics Avionics I/O card (p/n
putational vision solution that comPE1002) to acquire IRIG-B time base
putes, in real-time, the 6DoF (Degreessignals
of-Freedom) trajectory of the released
The ADL 7000-EPD-01 image processtore. The SisTrO components consist of
sor acquires 400 fps images, so the 2D
two imaging systems (ISys) units inside
coordinates of all in-view RM can be dethe pod (Figure 3). Each ISys unit intermined by the image processor and
cludes a high-speed Mikrotron camera
routed to the trajectory processor. In
connected to ADL's image processor
parallel, ADL 700-EPD-02 computes the
unit (ADL 7000-EPD-01).
3D coordinates of each RM and then
The image processor unit is in a
makes the conversion to a 6DoF CG trarugged chassis and houses the following:
jectory of the released store.
* The standalone processor, ADL-USA
ISys performance tests proved that
custom-design 7000-EPD-01 image
SisTrO could acquire and store uncomprocessor, which is based on the
pressed 10-bit gray images
at 400 fps with 1920 ¥
1080-pixel resolution and
compute the 2D coordinates of up to 32 RM center
in real time. (Figure 5)
The system was designed
for airborne operations in
compliance with MIL-STD810E. Once SisTrO is inElapsed Time
Elapsed Time
stalled in a pod shell, it can
be carried by any aircraft or
helicopter. As an example,
Figure 6. 6DoF Trajectory of a released store computed by SisTrO, espressed as the lateral, longitudinal and vertical disthe SisTrO was installed on
placements of the store and its q, f and y EULER angles. (Source: Brazilian Air Force Flight Test and Research Institute)
Ψ

Vertical
Displacement

Lateral
Displacement

Longitudinal
Displacement

sues prevented the pursuit of such an
elegant solution, leading to the decision to use a recording camera. The
recording camera could transmit test
point data to an image processor after
each test point, i.e., store release, but
the performance level possible with Gigabit Ethernet cannot match this application's real-time requirements.
Upon the first contact with ADL's
team, IPEV researchers were impressed
by ADL's ability to listen and truly understand their needs.
ADL suggested the use of the CXL-6
frame grabber by EURESYS, an interface
card compatible with the ADL processor
that supports the CoaXPress protocol,
to transport the image frames between
the camera and the ADL processor.
Using this innovative hardware platform solved the technical issue of freezing the processor configuration. As a re-

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Aerospace & Defense Technology - April 2021

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