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A global aircraft manufacturer wanted an Electronic Control Unit (ECU) for its gray water interface valve system to regulate emissions and waste.

Infosys designed an automated system to manage critical faults, control noise, and reduce the cost of gray water management.

Key Challenges

  • Existing gray water management system posed an environmental risk
  • The process of gray water disposal resulted in noise pollution with frequent spikes in decibel levels

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The Solution

Automation enabled superior gray water management while minimizing human intervention

Infosys designed and developed the firmware, driver and application layers of the electronic control unit for the gray water interface valve system. Our team implemented a ‘command execution and response’ system based on the Controller Area Network (CAN) bus standard, allowing microcontrollers and devices to interface with each other without a host computer.

The Infosys solution ensured automatic valve activation and deactivation based on sensor data. Our team reviewed the schematics of hardware design and undertook system verification and validation. Our solution artifact met guidelines for Federal Aviation Administration (FAA) certification.

Independent validation and testing ensures advanced design and performance

  • Independent verification reduced the cost of redesign
  • Robust testing accelerated certification of ECU
  • Rigorous review of hardware design reduced iterations for Printed Circuit Boards (PCB)
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Benefits

The Infosys designed and developed an ECU for

Faster turnaround time in gray water management

Faster turnaround time in gray water management

Compliance with DO-178B Level D safety guideline for airborne systems

Compliance with DO-178B Level D safety guideline for airborne systems