MISSILE SYSTEM

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Missile systems are a cornerstone of modern defense, providing precise, long- and short-range capabilities to neutralize threats across air, land, and sea. At Sigma, we design and develop advanced missile systems that combine cutting-edge technology with unmatched reliability. Our solutions are tailored to meet the strategic needs of military forces, ensuring precision, optimal performance in the most demanding environments.

MISSILE SYSTEM

MISSILE SYSTEM

End Game Package

  • On-board module used in a guided missile triggers the detonation pulse based on commands from OBP and LPF
  • Using the predefined internal logic, initiates the detonation pulse for the time delay
  • Accepts commands and inputs from On Board Processor (OBP) and Laser Proximity Fuse (LPF)
  • Computes time delay using internal logic and algorithm to issue detonation pulse for maximum impact

INVAR Missile

  • On-board module on INVAR anti-tank missile
  • Servo Control amplifier to aid flight path
  • Indigenous replacement for Russian module
  • Fully potted
  • In mass-production phase

Rx assembly and Electronic Delay Unit & Receiver Unit - Konkurs Missile

  • Integral component of the KONKURS-M system, designed to engage both stationary and moving armoured targets (Tanks)
  • Guides the direction of the missile
  • Communicates between the Control Drive Unit and BMP-II
  • Connects the control loop with the transducer of the gyro coordinator
  • Delays the time between pre-cursor charge warhead and main charge warhead
  • Delay time: 300 msec

Quad Digital Actuator Controller (QDAC):

  • Missile flight control system uses a cruciform fin configuration
  • Four (4) fins, each controlled by a linear electro-mechanical actuator
  • Actuator consists of a BLDC motor driving a ball screw/nut mechanism
  • Linear motion is converted to rotary motion using a crank arm
  • Position feedback is provided by a contactless potentiometer
  • Single enclosure houses four (4) Digital Actuator Controllers (DACs)
  • Each DAC controls one actuator
  • DAC drives the BLDC motor using PWM through a hex MOSFET bridge
  • QDAC communicates with the Missile Flight Control Computer (MFCC) via MIL-STD-1553 bus
  • The system operates on 28V DC supplied by the missile’s onboard battery
  • MFCC acts as the Bus Controller (BC), sending commands and receiving feedback every 10 milliseconds

Rear Servo Actuator - LRSAM/MRSAM

  • Manufacture, integration and testing of electromechanical assembly of SAM:
  • 4-axis electromechanical system
  • Controls fin deflection of SAM missile
  • Actuation mechanism with BLDC motors
  • Absolute position 16-bit optical encoder
  • In-built electronic DSP controller
  • Intelligent drive electronics
  • 28VDC operated
  • Compact size with in-built gear assemblies and mechanical parts

Servo Control Unit (SCU) for AKASH

  • On-board Servo Control for Akash Missile
  • Processes analog commands from On-board processor (OBP)
  • Drives six actuators (four for tail control, two for wing control)
  • Energizes the electro-pneumatic solenoid for uncaging the wings
  • Input Voltage: 28 ± 4V
  • Input Current: Max. 1 Amp at full load
  • Connectors: Round-shell connectors

Data Acquisition Unit

  • On-board System for Image Processing
  • Zynq Ultra Scale+ MPSoC based ARM Processor SBC
  • 16GB DDR-4 Memory
  • 128MB configuration and boot flash memory
  • MIL-STD-1553B link
  • Ethernet interface (GbE)
  • Serial port interface
  • One PCIe 2.0 interface
  • Two high-speed ADC channels with 310MSPS sampling rate
  • Two low-speed ADC channels with 40MSPS sampling rate
  • Sixteen digital inputs
  • Sixteen digital outputs

DAS Specifications
DAS_blockdiagram

DSP Unit

  • Integral part of Radar Seeker for Detection and tracking of target
  • ARRIA–V FPGA based design, with Tiger SHARC TS-201 DSP
  • Four high-speed Analog signals, sampled at 140MHz
  • Multiple Digital Inputs & Outputs
  • MIL-STD-1553B Interface
  • Two serial ports
  • Machined from a single Aluminium Block
  • EMI/EMC gaskets
  • Conforms to latest environmental standards

Quick Links

Contact Info

  • 24/A, Hardware Park, Near International Airport,
  • Srisailam Highway Road,
  • Hyderabad, Telangana 500005
  • +91 9440803710

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