Automotive & motorsport
Accurate emulation of satellite signals for a vehicle simulator
WMG 3xD simulator includes a 360 degree view, infotainment and control systems hardware-in-the-loop and drive-in of any vehicle or make to mimic the real- world environment to driver and vehicle. Image courtesy of WMG.
The Warwick Manufacturing Group (WMG) needed to develop a connected vehicle simulator environment to test and characterise any new technology (infrastructure, communications, and on-vehicle systems) in real-world conditions with a driver in the loop. This would allow vehicle OEMs to test earlier in the design cycle using a repeatable and controlled environment. The researchers used NI hardware and software with scenario-generation tools to emulate satellite constellations and other RF signals and control their signal quality according to the driving environment
smart, autonomous, and connected vehicles. Around the globe, many automotive companies and research institutes have developed or are developing simulators to research, test, or validate new technology, Advanced Driver Assistance Systems (ADAS), vehicle dynamics, control algorithms, or user experiences. To help bring together industry and academia, WMG is hosting the National Automotive Innovation Centre (NAIC) to accelerate novel, collaborative R&D in the automotive sector such as the work under way in connected and autonomous vehicle (CAV) virtual verification and validation.
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MG at the University of Warwick houses a unique facility that provides a fully simulated environment for
Confidence in CAVs cannot be achieved
with physical road tests alone. WMG’s 3xD Simulator for Intelligent Vehicles aims to provide an innovative platform to bridge the gap between traditional hardware-in-the-loop (HIL) and road-based field tests. The simulator provides a drive-in, driver-in-the-loop, and multiaxis driving experience, hence the “3xD” in its name. The simulator provides a real-time, safe, controlled, and repeatable physical environment, which allows for not only the sensor and communications to be in the loop but the driver as well. The WMG 3xD simulator is housed in an RF-shielded room (Faraday cage) that can
accommodate a full vehicle. Through this complete isolation, external RF signals are blocked, and the complete RF environment can be emulated along with the visual environment for the driver and other sensory systems to the vehicle electronic systems.
AbIlITy TO TEsT EARlIER IN ThE PROducT dEvElOPMENT Several other simulators are available, so WMG wanted to provide a first-of-its-kind facility that can be used to test, verify, and validate new technology and full systems in a connected and immersive way. The groups’ aim is to not only generate the scene around the vehicle (stimulate sensors) but also integrate it
February 2019 Instrumentation Monthly
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