VI-grade’s HiL solution powered by Concurrent Real-Time for Automotive Applications
The Hardware-in-the-Loop (HiL) testing market is gaining momentum, following the development of vehicles with advanced driver-assistance systems (ADAS) capabilities. This growth is driven by the need for a solution that can cost-efficiently validate the number of electronic control units (ECUs) incorporated into these vehicles.
Additionally, innovative HiL solutions are also required to test electric vehicles (EVs) and validate the function of the battery unit and other power electronics components.
To answer these needs, VI-grade has developed AutoHawk, the new HiL solution (powered by Concurrent Real-Time) for automotive applications.
AutoHawk consists of real-time hardware, real-time OS, real-time software and I/O cards and is highly configurable, since both VI-grade real-time software and/or software from 3rd party can be installed on it.
In the same configuration, AutoHawk can work as a stand-alone Linux based high-power computer, as a HiL system or in combination with a driving simulator or on a real vehicle.
AutoHawk is a flexible HiL platform that can be used across the entire product development cycle, from concept to sign-off.
AutoHawk comes in 2 standard configurations with the latest 24 and 64 cores to manage your projects and log data. All systems come with a communication card that supports CAN, CAN FD, LIN and can be further expanded with multiple IO boards and other automotive communication protocols (FLEXRAY, SENT, EtherCat, Automotive Ethernet and more) as well as fully programmable FPGA boards for analog and digital signals.
For on-vehicle applications, the AutoHawk systems can be provided in rugged chassis. The systems are highly configurable and provide 4-7 slots to include additional I/O boards.
An expansion chassis for signal conditioning and fault insertion is available along with programmable power supplies.
RedHawk Linux is Concurrent Real-Time’s deterministic real-time Linux platform for applications where predictable timing, low latency and precise system control are critical. It provides real-time scheduling, processor shielding, kernel preemption and high-resolution interrupt management while maintaining compatibility with standard Linux environments. In HiL and SiL applications, RedHawk provides the real-time foundation needed to keep simulation models, I/O and connected hardware synchronized with repeatable timing, while still supporting familiar Linux tools, APIs and development workflows. (concurrent-rt.com)
SIMulation Workbench (SimWB) is Concurrent Real-Time’s real-time simulation and HiL platform for integrating complex models, hardware I/O and automated test workflows in a deterministic environment. It combines high-performance multicore execution, open interfaces and a Real-Time Database architecture, while supporting VI-grade software and a broad range of third-party modeling tools and custom applications. (concurrent-rt.com)
Multicore scalability – distributes models and I/O tasks across CPU cores to run larger, more computationally demanding applications.
Open model & 3rd-party integration – supports MATLAB/Simulink, FMI/FMU, Simpack, Dymola, Adams, VI-grade models and custom C, C++, Python and Fortran applications.
Flexible hardware & I/O integration – separates simulation models from I/O configuration, allowing hardware, signals and interfaces to be changed without modifying the model itself.
Real-Time Database & monitoring – connects models, I/O and processes through a shared RTDB, with tools for execution control, visualization, monitoring and data logging.
Automation & open APIs – scripting plus Python, C# and C APIs enable test automation, integration with external tools, version-controlled workflows and CI/CD processes.
Applications
Desktop (Offline + SIL +MIL) AutoHawk can be used for off-line simulations, DoE, optimization loops
In-lab (HiL + SIL +MIL) These are the typical HiL applications in which a device under test (DUT) is connected to AutoHawk running real-time software
On-sim (HiL + DiL + SIL +MIL) These are HiL applications in which the driver sends inputs to AutoHawk through the driving simulator -it is useful to test corner cases and where the closed-loop inputs are essential
On-vehicle (HiL + ViL + SIL +MIL) These are HiL applications where virtual vehicle model runs on the real vehicle with mutual influence
Digital Twins (HiL + DiL + ViL + SIL +MIL) Driving simulator and real vehicle are fully synchronized and therefore affect each other's behaviour
Typical applications are: Electric drive system development, steering system integration, EPS calibration, Steering feeling, Fault injection, Benchmarking, X-by-wire redundancy validation, ADAS development (i.e. Lane Keeping, Emergency Braking, Blind Spot Detection, Traffic Sign Recognition, Autopilot)
Benefits
High-Performance Real-Time Systems for Multibody & Motorsport Simulation
Open architecture thanks to Linux based operating system providing deterministic real time and allowing easy integration of 3rd party products
Multi-core technology providing more computational power and allowing for more complex XiL setups all in one system
New 16-Slot PCIe Expansion Chassis for Extended I/O
Multi-AutoHawk Connectivity via Reflective Memory
New Signal Conditioning Modules for Wheel Speed & Rotation Sensors
Support for automotive communication protocols (CAN, LIN, Flexray,…)
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