New digital twin of Tokyo's Shuto Expressway to accelerate autonomous vehicle development -with video

New digital twin of Tokyo's Shuto Expressway to accelerate autonomous vehicle development -with video

08.09.2020: rFpro has developed the most accurate virtual replica of famous Japanese road Latest digital twin enables the generation of thousands of test scenarios that are too dangerous and costly to perform in the real world

   rFpro has developed the most accurate virtual replica of famous Japanese road

    Latest digital twin enables the generation of thousands of test scenarios that are too dangerous and costly to perform in the real world

    Enables creation of accurately labelled training data which is critical to training autonomous vehicle artificial intelligence




Simulation software specialist rFpro has created the highest accuracy digital twin of Tokyo’s famous Shuto Expressway, Inner Circular route, specifically for vehicle engineering developers.



Simulating some of the world’s most challenging roads in this way significantly accelerates the training of artificial intelligence (AI) by reducing cost and risks of collecting real world data. The virtual environment has already been adopted by major vehicle manufacturers predominately for the development of autonomous vehicles.



The 35km section of road also known as the C1 route Expressway, has been modelled using survey-grade LiDAR scan data to create a vehicle dynamics grade road surface, which is accurate to within 1mm. This is key to accurately simulate the effects of every bump, drain cover and expansion joint around the full route.



The environment is not only geometrically precise but functionally accurate too with each of the thousands of road signs, markings, and roadside objects being individually classified. This is critical for the development of many ADAS and autonomous systems that rely on panoptic segmentation for their training data sets.



“The C1 route is one of the most challenging stretches of city roads in the world for an autonomous vehicle to navigate,” said Matt Daley, rFpro Managing Director. “With constantly changing road curvature and elevation, complex and densely situated junctions and a huge array of road signs and markings, it is the ultimate test of autonomous vehicle technologies and is the perfect way to exercise and develop such capabilities safely.”



The digital twin also enables users to add in intelligent and scripted traffic to create an almost infinite number of test scenarios in this model. The types of vehicles, their speeds, colour and density of traffic can be varied and more. The rFpro system also allows a large number of humans to drive in the model at the same time, enabling the most complex edge case scenarios to be created and recorded. This offers a cost and time-effective way of creating large quantities of usable training data to improve a vehicle’s artificial intelligence.



“Collecting the volume and variety of training data needed for this type of road network would be very expensive, time consuming and potentially dangerous in the real world,” said Daley. “Our model of Tokyo’s C1 brings this highly complex road network to development engineers and researchers, wherever they are in the world.”



The Tokyo Expressway is the latest in an ever-growing library of highly accurate digital twins created by rFpro that consists of more than 100 locations of other public road routes, proving grounds and test tracks. “There are a large number of private models too that have been commissioned by our customers of their own proving grounds and testing locations.” Daley adds.



Due to the high fidelity of the models, rFpro’s digital twins are also effective in the engineering and development of other areas of a vehicle, including vehicle dynamics handling, braking and steering work.



“Our models are extremely versatile, enabling users to maximise their investment in simulation,” said Daley. “You can even replicate complex traffic scenarios to test how well your automatic gearbox and engine mapping perform when crawling through traffic. Importantly, this can then be correlated in the real world on the exact same piece of road.”








About rFpro


rFpro is a simulation environment for the automotive and motorsport industries. It is used for the development and testing of autonomous vehicles, ADAS, vehicle dynamics and human factor studies - essentially anything that involves driving a vehicle. rFpro’s automotive customers are the world’s largest car manufacturers, tier one suppliers and sensor developers. We enable them to simulate, test and validate new sensors, control systems and vehicle hardware systems.


The top 10 OEMs that were early adopters of rFpro technology have already launched road cars which started their development, not on a test track, but in a virtual environment using rFpro. In motorsport we are the market leader of professional driver-in-the-loop simulator software - our customers are champions of every leading motorsport category.


We maintain the largest library of digital road models (digital twins) including test tracks and race circuits for F1, NASCAR, WEC, IMSA, Indy, Formula E, Super-GT and Australian V8 Supercars. rFpro’s vision is for every driving simulator experiment to be conducted using the rFpro engineering-focused simulation engine. On every driving simulator, local or cloud-based, rFpro will form a fundamental part of vehicle developments.

 

Richard Doherty- photos rFpro

Permanent-URL: http://www.automobilsport.com/digital-twin-rfpro-tokyo-shuto-expressway-autonomous-vehicle-development-with-video---212203.html

08.09.2020 / MaP

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