OSTFALIA UNIVERSITY OF APPLIED SCIENCES
The university took advantage of Cruden’s time-saving dSPACE integration package that combines hardware-in-the-loop (HIL) set-ups and driver-in-the-loop (DIL) simulators to increase the potential of simulation in automotive research and development.
The Ostfalia University of Applied Sciences discovered Cruden in 2016 when looking to combine its hardware-in-the-loop (HIL) test-rig with a driver-in-the-loop (DIL) simulator. Building on existing courses involving the research and development of automotive components, the university’s research group for control engineering and automotive mechatronics wanted to enable subjective scoring methods to support objective assessments and arrive at more realistic results.
“The development cycle of any mechatronic component consists of three main stages: model in the loop, software-in-the-loop and hardware-in- the-loop. For us, there was a gap because the driver is not involved in any of these three stages,” explains Marian Göllner, research assistant at the Ostfalia university. “We feel that the only way to achieve a complete and valid simulation is to gain drivers’ feedback throughout the development process. To do this we purchased a Cruden DIL simulator, which is now the fourth and final stage of our simulation cycle.”
The Cruden-delivered solution combines the company’s Panthera simulator software’s open architecture and flexibility with the near endless hardware interfacing capabilities of dSPACE hard real-time (HRT) systems and the open and real-time-capable dSPACE ASM (Automotive Simulation Models) simulation tool suite, to create the ultimate development and testing system. Now, students can integrate any hardware they like into their Cruden driving simulator.
Ostfalia University has also found another useful, if non-traditional, use for the simulator: by changing the simulator top-platform with an interchangeable driver cell supplied by Cruden, it can be used for frequency domain tests. Using the simulator’s electric linear drive to generate controlled harmonic vibration and measuring the response of the system in frequency domain, makes it possible to manipulate every set-point of the motion platform.
Before dSPACE, R&D engineers often faced the time-consuming distraction of having to integrate their simulator with an off-the-shelf dSPACE-type system, spending many hours trying to combine various systems into one rig. Now Cruden’s dSPACE does all this hard work for them, providing a completely functional set-up that works straight out of the box.
Schematic showing the HIL and DIL simulation integration.
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