High-Performance Automotive Prototype ECU with Software and Tools for Efficient Integration of Autonomous Driving Functionality
The RazorMotion is developed based on an ASIL-D functional safety concept (Note 1). It supports an efficient integration process for complex, highly automated driving systems. The RazorMotion can be used by Tier 1s and OEMs to immediately prototype their functions in an embedded automotive ECU. It shortens time to market by enabling system developers to verify and integrate software easily on the prototype ECU designed to deliver a faster track to mass production vehicles.
The ECU has been developed for automotive sample grade quality following requirements on thermal design and shock resistance. It is provided in an aluminium housing targeting an IP51 protection level (Note 2) for mounting in the passenger cabin or luggage compartment. The RazorMotion can be directly connected to an automotive power supply and is designed to work at -40 °C to +85 °C operation temperature and exposed to vibrations in a running vehicle. The RazorMotion comes with cabling and guidelines for easy adaption inside a vehicle.
MotionWise is a software platform that provides all the services to run several safety critical applications in parallel on multiple SoCs. A sophisticated partitioning concept ensures that safety related applications cannot be impacted by other applications running at the same time. Due to a co-simulation environment on a standard PC it is possible to develop functions on the embedded RazorMotion platform side-by-side with applications running on a PC. They all can share the same data and services as if it would be a single domain ECU. Seamless integration and testing of all applications are remarkably faster and more efficient in comparison to the usual step-by-step solutions.
Note 1. ASIL (Automotive Safety Integrity Level): Each level stipulates requirements under the ISO 26262 functional safety standard and safety measures for avoiding unacceptable residual risk. There are four safety levels, A to D, with ASIL-D being the strictest. Renesas’ RH850/P1HC MCU and MotionWise software platform all conform to the ASIL-D functionality safety. Renesas’ R-Car H3 SoC conforms to the ASIL-B safety level.
Note 2. The IP code is defined in international standard IEC 60529. IP51 stands for dust protected and dipping water protected.
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