Product category: Embedded Software and Operating Systems
News Release from: Green Hills Software | Subject: Integrity-178B
Edited by the Electronicstalk Editorial Team on 28 August 2002
RTOS flies in
new Sikorsky S-92 helicopter
Rockwell Collins has integrated Green Hills Software's Integrity-178B real-time operating system (RTOS) into the Sikorsky S-92 helicopter's new highly integrated avionics package
The company's Integrity-178B, along with their Gstart ada run-time environment, is being used in Rockwell Collins' new avionics management and display system, which incorporates the most advanced avionics technology available today for rotorcraft. Rockwell Collins successfully completed its first S-92 test flight of the system on 5th October 2001 and has accumulated over 300 hours of company flight tests to date.
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The new S-92 cockpit is designed for outstanding visibility, and is equipped with an avionics package that provides the core of an open architecture avionics suite for processing aircraft system information.
Flight data is shown on four Collins multifunction displays, with a fifth display offered as an option.
Rockwell Collins is also using the Green Hills AdaMulti integrated development environment (IDE) to develop the flight software for the new S-92 cockpit.
The S-92 is Sikorsky's newest medium-lift helicopter, designed to meet both civil and military requirements.
Featuring a passenger capacity of 19-22, the versatile new helicopter will serve a variety of commercial and international utility needs, including passenger, cargo, aeromedical, search and rescue and resource development support.
Further reading
RTOS helps deploy spacecrew escape systems
Lockheed Martin Corp has selected the Integrity-178B RTOS for the vehicle management and control system on a novel unmanned crew escape demonstration test bed
RTOS to host open avionics system
Barco has selected the Integrity-178B real-time operating system for its new MOSArt avionics open system
RTOS approved in collision avoidance system
The Federal Aviation Administration has completed another successful DO-178B certification for the Integrity-178B real-time operating system
A Motorola PowerPC running Integrity-178B and the Gstart Ada run-time environment provides the backbone for the Sikorsky helicopter's new Collins avionics management and display system.
The system provides the display and integrated management of primary flight data, presentation and management of navigation information for the S-92.
The system also provides flight management data, a digital map, weather radar, terrain information and engine instrument caution and advisory system processing and display.
Rockwell Collins will use Integrity-178B and Gstart to achieve DO-178B Level A certification of the avionics management and display system.
Integrity-178B is an ARINC-653 compliant, hard real-time RTOS optimised for safety-critical and mission-critical applications that require the utmost security and fast, predictable response.
Utilising hardware memory protection, and an advanced two-level partition scheduler, Integrity-178B provides complete time, space, and resource partitioning between applications operating on the same hardware platform.
This partitioning effectively builds a firewall between applications and the kernel, preventing errors in one application from corrupting other applications or the kernel.
Integrity-178B also provides protection and guaranteed resource availability in both the time and space domains, thereby enabling applications that have been assigned different DO-178B safety levels to run concurrently on the same processor (ie.
supports "robust partitioning") as defined in ARINC 653.
Integrity-178B's ARINC-653 application/executive (APEX) interface provides a recognised standard interface between the operating system of an avionics computer resource (ACR) and the application software.
Integrity-178B includes an RTOS simulator (ISIM) that enables programmers to develop and test their code on a PC or workstation without the need for target hardware.
Integrity-178B also features a real-time event analyser (EventAnalyzer) that enables viewing of system and user events in a graphical display.
Integrity-178B is tightly integrated with Green Hills Software's AdaMulti 2000 IDE.
AdaMulti features an advanced code coverage tool (Gcover) that automates structural coverage analysis for application software, including the analysis of DO-178B Table A-7, Objectives 5, 6, and 7 (statement, decision, and MCDC coverage achievement).
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