Integrated Flight Control System

Real-time Aircraft Flight Dynamic Simulator (FDS) for Flight Simulation of Tejas

The Flight Control Systems (FCS) of fly-by-wire fighter aircraft is the safety critical onboard system. Demonstration of safe and proper functionalities of the FCS on ground is a mandatory requirement, which is accomplished on this hardware-in-loop test facility. The facility consists of flight standard hardware/software of the FCS and simulated aircraft dynamics. The Flight Dynamic Simulator realized by ADA facilitates in generating dynamic behavior of the aircraft in real time.

Salient Features-Real-Time Computer
  • Open system architecture facilities and multi-vendor operability, maximises flexibility and minimises obsolescence

  • State-of-the-art dual high speed Pentium III 1.26 GHz embedded controller supported on VME extended instrumentation (VXI) back plane

  • High performance analog/discrete I/O supported on VXI back plane

  • POSIX standard VxWorks Real-Time Operating System (RTOS)

  • Standardised software development tools simplify programming and ease of integration

  • User-friendly Graphical User Interface

Salient Features-Signal & Power Conditioning
  • High bandwidth galvanic/optical isolation modules for analog/discrete I/O
  • Analog output interface with remote load sense feedback enhances the accuracy
  • Programmable discrete input channels covering wide input range from 5 to 28 VDC
  • Power line conditioning features solid-state stabilization, isolation transformer and EMI/EMC filters with built-in safety protections, viz., overload, short circuit, over-temperature,etc.
Salient Features-Engineering
  • Modular, rugged design ensure high level of reliability, maintainability and low MTTR
  • Special uniform forced cooling and air circulation design limits the inside rise in temperature and enhances reliability
  • Interconnects through twisted shielded pair and coaxial cables terminated with impedance matching networks to minimize common mode noise, signal losses and enhances noise immunity.
  • Engineered to high level of safety and reliability standards
Salient Features-Software
  • Highly complex, aircraft six degrees of freedom(6 DOF) flight dynamic, simulation model integrated with models of LCA IFCS subsystems
  • Time optimised device driver modules supported on VxWorks RTOS for ADC,DAC,DIO, RS422 and Ethernet interfaces usable for any general purpose application
  • Portability for application software developed in FORTRAN and C. Facility to call FORTRAN programs in C and vice versa