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Product category: Embedded Software and Operating Systems
News Release from: LiveDevices
Edited by the Electronicstalk Editorial Team on 14 March 2002

Visteon turns to
LiveDevices for powertrain RTOS

Realogy Real-Time Architect - the OSEK-certified RTOS from LiveDevices - has been selected by a leading global automotive component supplier for its new high-performance powertrain controllers

Realogy Real-Time Architect (RTA) - the OSEK-certified real-time operating system from LiveDevices - has been selected by a leading global automotive component supplier for its new high-performance powertrain controllers. Used to monitor and control applications including gearboxes, electronic fuel injection and ignition systems, powertrain controllers hold the key to enabling vehicles to meet increasingly stringent emission and fuel economy regulations.

Visteon Corp will use RTA to accurately identify the stack requirements and CPU headroom available in its electronic control units (ECUs).

RTA supports stack usage minimisation by automatically calculating the minimum number of priority levels that need to be allocated to tasks so they meet deadlines while sharing, thereby minimising memory usage.

By making efficient use of power and memory resources, RTA enables ECU suppliers to support the maximum number of features while keeping investments in hardware to the minimum, which helps reduce the overall unit cost of the powertrain.

LiveDevices' RTA enables software developers to build quality and timing correctness into a new vehicle, rather than trying to test faults out.

Currently, the automotive industry's reliance on putting distributed electronics systems through thousands of hours of testing in the lab can result in timing errors slipping through into production undetected, as it is impossible to account for every possible usage scenario.

In contrast, RTA guarantees that all deadlines for a specific application will be met under any circumstances at the design stage.

A time compiler calculates the worst-case response time for each task in the system, taking into account interference from those with a higher priority, interrupt handlers and blocking effects due to resource sharing.

This integrated analysis is essential to ensure the standards of performance, safety and reliability demanded by drivers are met.

Visteon will use Realogy Real-Time Architect with the 32bit Motorola MPC561 PowerPC-based chip.

MPC561 is aimed at two distinct powertrain applications: those with simple control strategies, such as inline four-cylinder engines; and those with very complex strategies, such as luxury-vehicle engines that need large quantities of external Flash.

Powertrain innovations hold the key to meeting mandated reductions in vehicle fuel consumption, either for resource conservation or abatement of greenhouse gases, particularly CO2.

The German auto industry pledged to reduce the average fuel consumption of new passenger cars by 25% over 1990 levels by the year 2005 (according to Verband derAutomobilindustrie).

"We are delighted to be working with Visteon on these powertrain projects", commented Adrian Knowles, Commercial Director at LiveDevices.

"Recognised as a world leader in automotive systems, Visteon has a reputation for engineering excellence throughout the industry".

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