Activities

 

Design & Analysis

 

Testing & Qualification

 

Avionics&Flight Control

 

Simulation

 

Weapon System

 

Flight Testing

 

LCA Production

 

Software Development

 

Workcenters Activities

 

 Variants

 

Weapon System

Stores Management System (SMS)

  • Integrated control of air to air and Air to Ground Weapons,Rockets and Gun
  • 32 Bit Single Chip Micro Controller Based Dual Redundant  Architecture
  • MIL-1553B Armament Bus for Intra System Communication and weapon Interface.
  • Localized Pylon Interface units to Control indigenous, Russian, Western and 1760 weapons
  • Flexible system Software Architecture for addition to new Weapon Type.

SIB Salient Features

  • SIB Function as RT to Recieve Commands from OAC on the Avionics Bus
  • Management of Power Supply to the stores.
  • Functions as Bus Controller to all PIBs for sending commands on the B4/B5 Bus
  • Monitors and Controls the safety  release of stores
  • Provides direct interface to Gun and Chaff & Flare System
  • Management  of High Bandwidth & Low Bandwidth signals
  • Provides Emergency jettisoning circuits with time delay relays.

PIB Saleint Features

  • PIB Function as RTs to recieve commands from SIB on the Avionics (B4/B5) Bus
  • Monitoring of Power Supply to Store release
  • Management of Normal Release and Alternate Release circuits for the stores
  • Monitors and Controls Safety release of stores
  • Provides a direct interface 1760C Stores
  • Privides Emergency jettisoning circuits
  • Management of fusing to stores
  • Detection of Presence of stores and inteface signals to MI-STD 1760C interface.

SMS Safety Features

  • Release of stores only under pilot control or by system under poilot monitoring
  • Release of weapon under proper flight and release condition.
  • Prevention of unwanted weapon release or firing on ground flight/approach/taxing
  • Detection of wrong store configuration on the aircraft.
  • Proper release sequence achievement.
  • Waring to Pilot before firing/release of stores of close ground proximity to prevent  damage to Pilot or aircraft.
  • Inadverdent release of store.
  • Detection of failure to release.
  • Inhibtion of failed store.
  • A separate channel for emergency jettison.
  • Hardward redundancy for firing and essential circuits.
  • Audio and Visual feedback to Pilot.
  • Monitoring circuits for firing circuits
  • Distributed Architecture for essential circuits and system.
  • Protection against EMI/EMC
  • Prevention of unnecssary release due to human errors.

Sailent Features of Weapon Integration Facility.

  • Emulate all store LRU's (PIB,SIB) using PC's and specific Hardware.
  • Emulates all store Configurations and Loads for Monitoring purpose.
  • Emulates each stores using PC and specific Hardware.
  • SMS Architecture timing analysis, Validation, Stressing, Data Latency.
  • Environment for Integration of store /Weapon.
  • Hardware in loop including  the Stores.
  • Data Acquisation System for Monitoring Discrete Signal and MUX Data.
  • Facility Error injection during SMS H/W S/W Integration.
  • Emulates Aircraft AC/DC Electrical Bus.

A fighter aircraft in a combat scenario is essentially a weapons platform.  LCA has the capability to carry over 4 tons of external stores including missiles, rockets, bombs and drop tank in 7 stations for air-to-air, air-to-ground and air-to-sea roles.  High maneuverability and carefree handling features of the LCA are duly supplemented by a glass cockpit, digital avionics and effective weapon system interface.

Good Pilot Vehicle Interface (PVI) for easy interpretation of targets, a suite of sensors for early threat detection including high performance Pulse Doppler Multi Mode Radar(MMR) provide Beyond Visual Range(*BVR) attack capability amongst other special features of LCA as a Weapon system.

An advanced Stores Management System(SMS) is configured for integration, carriage and release of a variety of weapons.  All components and features of the SMS architecture are test on a special weapon integration rig.

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Aeronautical Development Agency, Ministry of Defence, Govt. of India, P.B.No: 1718, Vimanapura Post, Bangalore 560017, India

 

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