Company

1
Company profile
Engineering is not about creating great systems.
Its about making technology usable and affordable
at the lowest level.
2
About AEM

• Established in 1975
• Premier Embedded Solutions Company
• RD Oriented Company
• Govt. of India, recognized R D Laboratory
• ISO 90012000 Certified Company
• First Prize for RD in Electronics (Award of
  Excellence in Electronics 2000-01) by Ministry of
  I.T., Government of India.  
• Second Prize in National Award for Excellence in
  Indigenization of Defence Stores and Equipment.
• Award for indigenization and contribution to the
  Aero-Space Industry in India

3
Charter

• AEM has been committed over the years
• to the keep pace with technology and maintain
  highly qualified engineering team, in order to
  provide the state-of-art solutions products for
  the industry needs.
• Applications Developed by AEM in last 30 Years
  including Design and Development of Test
  Equipments for the Mirage -2000(M2K) Su-30
  Fighter Aircrafts are examples of AEM Commitment
  and capability to undertake challenging
  assignments delivering the results.

4
Strength

• AEM offers the definition and implementation of
  specific solutions for every requirement, with a
  highly competitive cost/affectivity ratio.
• Our expertise involves delivering multi
  disciplinary complex embedded computing solutions
  using long standing design expertise by quick
  concept proving, prototyping coupled with High
  Quality Product Development Documentation.
• We have experience in Development around various
  microprocessors/micro-controllers, firmware
  software platforms, Analog Circuit Design
  Industrial Automation applications.

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Domain of Expertise

• Data Communication
• Digital Voice Communication
• Digital Signal Processors
• Micro-Controllers
• Telemetry
• Embedded Computers
• Network Appliances Thin Clients
• Defense Electronics
• Customized Industrial Controllers and Simulators
• Modernization of legacy systems to deal with
  obsolescence

With a strength of more than 60 technical experts
hungry for new challenges, we are geared up to
provide customized solutions for broad range of
Embedded/IT Applications.
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Patrons Customers

• Pratt and Whitney
• Telecommunication Consultants of India
• HFCL Satellite Communication Ltd.
• L T
• Tata Motors Ltd.
• HCL Comnet
• Hughes Escorts Communications Ltd.
• Lohia Starlinger Ltd.
• Siemens
• Skypak Services Specialist Ltd.
• Netsys
• Sukam Communications Systems Ltd.
• Elnova Systems Ltd.
• ALIMCO

• Government Agencies
• Public Sector Companies
• Private Sector Organizations

• Indian Air Force
• Radar Communication Project Office
• Low Level Radar Networking Group
• Bharat Electronics Ltd.
• Electronics Corporation of India Ltd.
• National Airport Authority
• ITI India
• Indian Meteorology Department
• Central Electronics Ltd.

7
Major Products

• DATA ACQUISITION TELEMETERY
• Flight Data Acquisition Analysis System FDAAS
• G-Locator Vehicle Tracking System
• Signal Conditioning Analysis Module
• Remote Radar Data Display
• Sequence of Event Recorder

• DATA VOICE COMMUNICATION
• Voice Digitizer / Satcom Interface
• Voice MUX
• Digital MUX /VFT
• Store Forward Message Switching System
• Air Traffic Management System

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Major Products

• RAILWAYS
• Single Section Digital Axle Counter
• Multi Section Digital Axle Counter
• Train Actuated Warning Device
• INDUSTRIAL APPLICATIONS
• Circular Weaving Machine Controller
• Controller for Draw Texturising Machines
• Automated Production Monitoring System
• GENERAL APPLICATIONS
• Remote Monitoring Control Adapters for legacy
  UPSs
• Online and Offline Point of Sale Cash Register
• Distance Learning Solutions
• Customer Specific RFID Based Solutions

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Aircraft Testers
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Introduction

• Our Aircraft Test Ground Equipment project
  pertains to Development Production of Support
  Equipment required for Maintenance
  serviceability checks of various fighter
  Aircrafts owned by Indian Air Force.
• Test Equipments Ground Support Equipment
  Developed by us encompass Flight Data milking
  Analysis Systems, Fly-By Wire Test Systems,
  Engine Computer Test Systems, Missile Check out
  systems other miscellaneous equipment for
  testing/evaluating of pyrotechnics counter
  measure dispensing sets.

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Features

• The systems are modular, portable and
  reconfigurable with a great growth capacity for
  incorporating new test requirements.
• These are transportable systems, composed of
  low-weight, low-volume ruggedized boxes designed
  to comply with military shock and vibration
  specifications.
• The system software is the result of component
  oriented design and object oriented programming,
  allowing for easy maintenance and potential
  reuse.
• The software furnishes multiple services
  execution support for the Test Sequences, storage
  of results, test reports, statistics, use of the
  station, etc..
• Self-Tests debugging features are incorporated
  to provide confidence in the Equipment readiness.

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Technical Specifications

• Distributed control architecture based on Pentium
  Processors, Rabbit Micro Controller, ARM other
  processors.
• High-resolution LCD screen varying from 3.5 to
  17.
• Touch Screen for User Interface.
• Serial Port.
• Ethernet / USB.
• GSM/GPRS
• Camera Support
• Win XP, Win CE, Linux.
• C/ VB /.Net/ C.
• VHDL/ JTAG.

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Architecture

• Highlights of Architecture are
• Modular architecture designed around reusable
  components.
• Multi processor environment.
• Processor(s) interact with other modules via
  serial Communication/ parallel bus/Ethernet/USB.
• Functional Components
• Master processor
• Analog Measurement/Stimuli Generation
• Analog Conditioning Multiplexing
• PC Platform UI interface
• Discrete Special I/O
• Power Supply
• I/O Buffer

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Master Processor Module

• Controls the operation of the complete tester
  including
• Logic associated with Automatic/Manual tests for
  Device Under Test.
• Controlling the Switching of Analog/ Digital I/O
  to field.
• Self-test of the Tester.
• Interaction with UI Module for User Inputs
  creating display of current I/O scenario .
• Interaction with Analog Modules for Multiplexing,
  Analog measurement Simulation.

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PC Platform UI Module

• Responsible for User Interaction providing PC
  platform for supplementary functions
• Interacts with Master Processor for providing
  User Inputs getting details of current field
  conditions for Display .
• Self-test of the UI Module.
• Interaction with other functional modules.
• External interfaces for
• Data Upload and Download.
• Networking.
• Analytics Report generation.

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Analog Measurements Stimuli Generator

• Handles the Analog measurements and generation of
  External Stimulus required by the tester.
• Mux Conditioning handled in Analog
  Conditioning Module.
• Specifications
• 12/14/16-bit ADC at 100kSPS.
• Input voltage range of /-30V.
• Supports voltmeter/chromo meter function blocks.
• 12/14/16-bit DAC.
• Output range of /-12.5 V.
• Supports Voltage, Frequency Pulse output
  function modules.

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Analog Conditioning Multiplexing Block

• Handles conditioning and multiplexing of Analog
  Inputs/Outputs.
• Supports Voltage to Frequency Conversion.
• Available in various Input Output configurations.
• Multiple Modules can be used in a system to
  enhance I/O Bandwidth.

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Mirage 2000Slat/Shock Cone Safety Test Set

• Checks the operating characteristics of the
  S/Cone Slat Safeties of M2K. Diagnoses the
  fault also used for Overall Testing of System
  following Equipment Repairs.
• Operation Automatic / Manual Mode
• Performs overall Analytical testing of
• Shock Cone and Slat Power Supply Safety Devices
• Thermal Battery Control and Power Relays
• Autopilot and Scoop Deflection
• Engine RPM Display Control
• AP EFCS Connectivity
• Handles gt 200 I/Os including Digital Signals of
  multiple levels, Analog I/Os including SH
  Systems, Chronometer Freq. signals.

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Mirage 2000Servo Actuator Test Set

• Used for testing of elevon or rudder
  servo-actuator in 1st and 2nd Line Maintenance.
• In 1st line, it replaces the aircraft
  electronics.
• Typically Carried Out When
• Anomaly is reported in flight or after the EFCS
  Self Test
• A Servo-Actuator needs to be validated after
  Repairs
• The test set may also be connected directly to
  the equipment to be checked.
• Wiring can also be validated by connecting dummy
  units in place of the actual equipment.
• Handles 60 I/Os including Servo Actuator control
  circuits.

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Mirage 2000Sensor Test Set

• Used for Measuring Analyzing Aircraft Sensors
  in the 1st line or 2nd line maintenance.
• In 1st line, it enables a sensor assembly
  assigned to a single function to be tested when
• A discrepancy incriminating the assembly has been
  noted in flight
• During self-test of EFCS or for validation
  following repair.
• Comparative testing of up to 4 sensors to ensure
  similarity in response and behavior
• Sensor Assemblies Selection Supported
• Pitch AFU.
• Roll AFU.
• Rudder AFU.
• Position of elevon and rudder servo-actuators.
• AOA detection.
• Analog ?P and PS (probe anemometry).

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Mirage 2000Air Data Simulation Test Set

• 1st Line Maintenance Equipment
• Visual Indication of values of generated Stimuli
• In degrees (Pitch-up or Pitch down) for AOA.
• In mbar for PS ?P.
• Display of flight envelope parameter values
  defined in terms of
• Altitude (feet)
• Speed (knots)
• MACH (tenth of Mach)
• Simulates Operation of Air Data Circuits and AOA
  Probes based on Pilot Parameters for flight
  Conditions under which a fault was reported.

22
Mirage 2000 Missile Test Sets ( IR RF)

• Checks operation chain of MAGIC R550 S530
  missiles on Mirage 2000.
• In 1st Line, it is mounted instead of Missile
  connected to missile launcher interface. Emulates
  Missile responds to Missile launcher commands.
• In 2nd Line, It tests itself Missile supporting
  Hardware under control of Test Bench.
• Used to rectify fault reported on return from
  mission or on preparation of mission prior to
  mounting missile.
• Handles multiple I/Os including 400Hz Power
  Supply Signals, RF Signal Detection High
  Pressure Nitrogen sensing circuitry.

23
Mirage 2000ElectroPyro Circuit Tester

• Checking pyrotechnic munitions equipments by
  measuring resistance of Z-71 cartridge
• Very low excitation current to ensure safety.
• Designed for measurement of low value resistance
  (0.01 to 20.00 ohm)
• Supports 4-wire measurement
• 3-1/2 digit Display.

• Tolerance
• lt 0.1 ohm /- 10 .
• 0.1 ohm - 1 ohm /- 5.
• 1 ohm - 10 ohm /- 3 .
• gt 10 ohm /- 2.

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Mirage 2000Dispenser Test Set

• Testing of Aircraft Dispensers of Counter-Measure
  Dispensing Set
• Signal Command Generated by the Counter-Measure
  System Generate High-Current Fire Pulses which
  are sequentially routed to the cartridges in the
  dispenser magazine
• This test set receives and evaluates firing
  signals for proper sequence and adequate firing
  power.
• Visual indicators for test results are provided.

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Mirage 2000Stray Voltage Test Set

• Support test equipment for performing stray
  voltage test on aircraft dispensers of the
  countermeasures Dispensing set.
• Designed for use as a safe and accurate means of
  checking the contact pins on the dispensers for
  the presence of any stray voltage prior to
  loading the dispenser magazines containing the
  electrical explosive devices.
• During flight-line check out, it connects
  directly to the breech plate output (contact
  pins) of a dispenser to detect unacceptable
  levels of stray voltage.
• The test set provides continuity detector
  self-test features to ensure the test set is
  operational.

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Mirage 2000Infra-Red Generator

• Support Test Equipment used for qualitative
  check of the locking of Homing Head of Magic
  Missile, when Missile is mounted on Mirage
  Aircraft.
• It emits Infra Red in 2-10 micron range to
  simulate the target for Magic Missile.
• Powered by Rechargeable Batteries.
• Very Low Power Consumption
• Ultra Lightweight for ease of
• operation.

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Mirage 2000Adapter Test Set

• Adapter Set, Test contains 4 Nos. of Adapters
  which are mounted on Ejector Cartridge Housing on
  Mirage Aircrafts fitted with Pylons.
• It is mechanical equipment with wiring to
  interface between pylons Adapter Module.
• Used via Adapter Modules (which are mounted on
  this adapter), to check the firing pulses.

28
Su-30 Air Intake Ramp Tester

• Used for checking the Air intake control of
  Sukhoi Aircraft.
• It generates commands to Aircraft as per User
  Interaction via Touch Screen.
• Displays the status of the received signals on
  LCD Monitor.
• Performs Self Test Calibration at Startup.
• Functionality comprises of
• Shaping of event, analog and Digital Signals.
• Analog / Frequency Measurement /Display
  Generation of simulated signals.
• Switching of the signals based on commands.

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Su-30 FBW Tester

• Support Test Equipment used for Maintenance of
  FBW of Sukhoi Aircraft.
• Functionality comprises of
• shaping of event, analog and Digital Signals.
• switching of the signals based on commands
  preset in and supplied from the FBW system.
• Quantitative estimation of signals, commands and
  the FBW units supply voltages.
• Indication of the preset data (digital) signals
  and event and signals and the commands coming
  from FBW system.

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Path Forward

• Automated Intelligent Testing
• To optimize manpower.
• To reduce Training needs.
• To maintain Consistent Quality.
• Remote Interfaces
• To interact with Specialists for fault finding.
• For periodic Quality Check by Overseas Expert.
• Mobile Integrated Multi Test Equipment.
• Optimal Utilization of Resources for Operation.
• Reduce Inventory for Maintenance.
• Efficient Operation, Report Generation
  Analytics

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Path Forward
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Flight Entertainment via Fiber

• IPTV

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Seat Equipment
Optical Fiber Termination Ports
Mic Head Set
Camera Port
Video On Demand Client
VOIP Video Phone Client
LCD SCREEN
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Ring Topology

• Video On Demand and Voice / Video over IP
  (SIP) Servers connected to an Optical
  Termination, which is accessible to every
  passenger via Fiber cable connected in a
  Redundant Ring Topology.

Fiber Cable
Fiber Cable
Fiber Cable
5 Port Net Way Point
5 Port Net Way Point
5 Port Net Way Point
3 Seats Set
3 Seats Set
3 Seats Set
Ring Break Watchdog
Eth Switch
VOD SIP Server
5 Port Net Way Point
5 Port Net Way Point
5 Port Net Way Point
Wireless Comm
Fiber Cable
Fiber Cable
Fiber Cable
Ground Station
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Star Topology

• Video On Demand and Voice / Video over IP
  (SIP) Servers connected to an Optical
  Termination, which is accessible to every
  passenger via Fiber cable connected through
  passive optical Splitters linked to each seat in
  a Star Topology.

IP Video Phone with LCD Screens on each seat
IP Video Phone with LCD Screens on each seat
VOD SIP Server
ONU
IP Video Phone with LCD Screens on each seat
Passive Optical Splitter
OLT
ONU
IP Video Phone with LCD Screens on each seat
IP Video Phone with LCD Screens on each seat
ONU
IP Video Phone with LCD Screens on each seat
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Flight Data Acquisition Analysis System (FDAAS)

• Black Box Data Analyzers

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Flight Data Acquisition Analysis System

• Acquires analyzes data from aircrafts flight
  data recorder (Black Box) for
• MIG 27
• AN 32
• MIG - BISON
• MIRAGE 2000
• Storage of acquired parameters for future
  analysis
• Milking of data at 12 times the normal tape speed
• Storage of up to 1000 hours of flight data
• System Provides a Means for
• Evaluation of Piloting Technique
• Benchmarking Quantification of different flight
  parameters
• Monitoring Health of the aircraft between flights
  or at any time and giving GO/NO GO Clearance to
  the aircraft prior to takeoff
• Assessment of aircraft system operational status
  identifying need for repairs
• Investigation of Flight Incidents and Accidents

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FDAAS Variants for Various Aircrafts
MIG-27
AN-32
MIG-27
MIRAGE-2000
MIRAGE-2000
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FDAAS Data Analysis Screen
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FDAAS Graphical Representation of Milked Data
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FDAAS Parametric Data Log Flight Path Analysis
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A Lease of Life for thePrime Movers of Modern
Civilization

• Dealing with obsolescence

43
VAX/PDP-11 Migration

• Prime Movers to Modern Civilization have existed
  since 1960s, and are controlled using VAX/PDP
  based Systems
• Thermal Power Plants
• Process Control Infrastructures
• Defense Aviation Systems
• Software and Control Logic is proven, rock-solid
  and reliable
• Technology has changed and VAX/PDP-11 are
  obsolete.
• Repair and maintenance is virtually impossible.
• Stocking media and hardware for eternity is not
  an option
• Consequences of replacement ?
• Expensive
• Downtime during transfer
• Software still needs to be tested for reliability
  and stability
• The right balance
• Migration of the VAX/PDP-11 Operating Environment
  on modern computers
• Replacement of tape-drives and other hardware
  interfaces with newer technology, allowing the
  same control software to be used.

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Migration Architecture
45
Migration to supportOld / Re-designed Interface
Cards
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• Extending RADAR Coverage
• RRDD

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Remote RADAR Data Display

• Providing special forms for creating, editing
  various types of error-free messages.
• Providing data validation and error-checking
  while entries are being made
• Transmitting messages on Tele-Printer lines at
  desired time for delivery into the FADHS system.
• Receiving, logging, displaying and printing
  messages
• Both these functions, Intelligent Messaging
  Terminal and RRDD, are required to be performed
  at the same time round the clock.
• RRDD function involves receiving the Radar Track
  Synthetic Video information/ data on a modem link
  from a remote radar site, extracting the Radar
  Track information, processing it and displaying
  it on a circular area of 50NM radius on the
  Raster Scan Color Display Screen of the computer.
  Maximum track capacity is 50 Tracks / scan.

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• Low Speed Messaging Communication Backbone
• DMUX / VFT

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Digital MUX / VFT

• The DM/VFT is the communication backbone of
  Indian Air Forces Low Speed Messaging on TROPO
  Network.
• It is a versatile multiplexing platform for
  providing flexible solutions for all types of
  data communication needs, allowing a number of
  data and Tele - Printer lines to be multiplexed
  on to a composite channel which may be a 64 Kbps
  data channel or a voice grade channel. It allows
  Intelligent Message Terminals, Tele - Printer
  machines or data terminals to be connected to
  remote compatible terminal equipment. It allows
  flexible terminal configurations and provides for
  easy and economical network expansion.

50

• Message Switching Systems Used In Army / AF
  Network
• AMSS / DMSS / SFMSS

51
Automated Message Switching System

• AEM's AMSS is the backbone of Indian Telegraphy
  Network with country wide installations. It
  provides an automated mechanism to receive,
  store, analyze and route prioritized messages to
  intended destinations.
• The system's objective is to minimize in-transit
  delays and inter - work with various modes of
  communication, viz. Tele - Printer lines (TP),
  Data channels through modems, normal RS232C
  lines, X.25 lines, Dialup lines Telex lines on
  any telecommunication network.
• The system provides facilities for routing,
  congestion control, prioritized queuing,
  supervisory tasks and encoding of messages.
• The architecture provides for fail - safe
  functioning with built in redundancy and low Mean
  Time To Repair.

52

• Voice Communications Control System
• VCCS

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VCCS

• VCCS Operation
• The Voice Communication Control System is a
  Communication Network across Radar Sites, Air
  Bases, Command Headquarters, Missile Posts and
  Aircrafts.
• Technology Used
• Voice Over Internet Protocol (VOIP)
• Session Initiation Protocol (SIP)
• Secure Real Time Protocol (SRTP)

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Logical Architecture
Wireless Communication
Voice Gateway (Per Ground Station location)
FXS
FXO
Wireless Ground Station
TMCS Server
AEM VoIP Switch
IP based Voice Screen Recording Server
Analog Phones (or Speakers)
Ground Staff / Officers IP Phone
Analog Ext Adaptor
Attendant / Operator (IP Phone optional)
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RT Site
Wireless Communication
Wireless Ground Station
Ground Staff / Officers IP Phone
Attendant / Operator (With CTI Application)
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Operator Console
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• Channel Encryption for Voice Data
• Voice Digitizer

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Voice Digitizer

• High quality digital voice channel over a
  synchronous digital link at rates from 8 kbps to
  64 kbps.
• Various signaling including interfaces with
  Private Branch Exchanges (PBX), Telephone Set,
  FXO lines etc.
• Dialing option includes V.25bis dialing support.
• Can be used on a permanent synchronous link as
  well as on a dial up link with V.25bis support.
• Can also be used to send and receive faxes on
  normal fax machines.
• 4x20 character LCD display and keypad is provided
  for configuration setup and status monitoring.

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Typical Applications
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Typical Applications .. contd
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THANK YOU