Opticoelectron

Opticoelectron

 industrial park,Opticoelectron,4500 Panagyurishte, Bulgaria

Forward Artillery Observer Post Lartos

Forward Artillery Observer Post Lartos

The LARTOS system is designed to identify targets and objects, the distance to them, and their angular coordinates with respect to the LARTOS itself or to a particular point (position) whose coordinates are pre-entered/set in the system. The LARTOS system also calculates the opposite task – to define its own coordinates and direction “NORTH” (orientational directions) by known data for one or several points with known linear and/or angular coordinates (directional angles) with accuracy ± 00-02 thousandths/± 2,1mils. The following functional modules are included in the “LARTOS” system: main system module, control and visualization unit, power unit, positioning unit, cables, software to perform tasks of artillery instrumental intelligence (azimuth, elevation angle, defining a distance to the target from the LARTOS and a distance to the target from a forward position).

The LARTOS system maintains a database of coordinates of objectives and objects. This is non-volatile database, ie. when the system power is turned off, the data is not lost.

The system consists of following modules:

  • Main module
  • Height and Azimuth Movement module
  • Leveling mechanism
  • Power supply unit
  • Touchscreen display

Specifications

Main module

In the main module are included thermal imaging channel, laser rangefinder, measurement module.

1.1 Thermal imaging channel Objective: 100 mm with focal length from 80 m to infinity

  • Field of view: 6.2°(Hor.) x 5°(Ver.)
  • Working spectral range: 7,5 – 13,5 µm
  • Pixel size: 17 µm
  • Matrix resolution: 336 x 256 pxl or 640 х 512 pxl
  • Matrix type: Uncooled VOx Microbolometer
  • Analog/Digital video interface: 1 Vрр PAL(CCIR), NTSC(RS-170) / BT601,656
  • Noise equivalent differential temperature (NEdT): 4,5 km
  • Detection human figure > 3 km
  • Recognition vehicle 2,3 x 2,3 m > 3 km;
  • Recognition human figure > 1,2 km

Laser rangefinder module

  • Range: from 100 to 20000 m
  • Accuracy: ± 5 m
  • Field of view: 7°
  • Optical magnification: 7 х
  • Exit pupil diameter: 12,5 mm
  • Measurements per minute: 8
  • Guaranteed number of measurements: 20 000
  • Wavelength: 1064 nm
  • Interface for data exchange with external devices: RS 232

Measurement module

  • Measurement of horizontal angles: from 00-00 to 59-99 accuracy of ± 00-01 thousandths / ±1,06 mils
  • Measurement of vertical angles: ±05-00 with accuracy of ± 00-01 thousandths/±1,06 mils
  • Interface for data exchange with external devices: RS 232

Management and visualization unit

The main function of the control and visualization unit is to combine the information from all devices of the LARTOS system – to visualize the picture from the thermal imaging channel, perform calculations of the data, ensuring the fulfillment of the tasks of the artillery intelligence (azimuth determination, distance to the target from the device and distance to the target from another position). The control of the modular system LARTOS is done by a touchscreen display with a screen resolution of 800 x 480 pixels, 10-finger capacitive touch and viewable screen size: 155 mm x 86 mm.

Leveling mechanism

Used to set the system to a position for leveling (figure 1 pos.3).

Height and Azimuth Movement module

It serves to horizontalize the system for smooth and fast moving in vertical and azimuth. It is located above the tripod (Figure 1 pos.2).

Power supply module

Provides no less than 6 hours continuous autonomous operation of the modular system LARTOS with one power supply unit. It is mounted at the bottom of the tripod (Fig. 1 pos. 4). It consists of a LiFePO4/12,8V/10A rechargeable battery with an integrated electronics unit, housed in an aluminum housing. The system is equipped with two power units and chargers: 230V AC and 12V DC for car socket.

Working environment and protection:

  • GPS-accuracy of horizontal positioning:
    • Working temperature: from – 25°С to + 55°С
    • Relative humidity, noncondensing: from 10% to 70%
    • Storage temperature: from – 45°С to + 65°С in the original shipping case
    • IP protection class: IP 65

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