Engine-in-the-Loop: A Method for Efficient Calibration and Virtual Testing of Advanced Diesel Powertrains

Kötter, Matthias; Schaub, Joschka; Quérel, Carole; Thewes, Silja; Hadj-amor, Hassen; Picard, Marcel; Lee, Sung-Yong

doi:10.1007/978-3-658-25294-6_12

Cited by 5 publications

(3 citation statements)

References 5 publications

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“…For this reason, the Eil approach results in an ideal choice for testbenches in that the accuracy, time-to-run and performance are highly improved [60,61]. At the other hand, the request of this technique is the projecting of the entire system and for the highspeed real-time controller to have an adequate manage of the models implemented [62][63][64][65][66].…”

Section: The Engine In the Loopmentioning

confidence: 99%

Advanced Control Strategies on Nonlinear Testbench Dynamometer System for Simulating the Fuel Consumption

Fanesi¹,

Scaradozzi²

2020

Adv. sci. technol. eng. syst. j.

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The adoption of Engine-in-the-loop technology shows real behaviour. This study presents a test runs simulation platform with real engine data. In addition, a test bench model is a demand approach that offers a significant potential to provide an excellent reproducibility of test runs. The platform includes the data integration to upgrade tests run and a comparison with previous results using the advancing control techniques designed. The dynamometer system presents significantly non-linearity. The adaptive control approach, integrated into the Model Predictive Control on the vehicle, allows increasing the tests run performance. The results show how the real data can improve performance and the validation of the system integrating the updated driving cycle and maintaining EiL approach. The conclusion showed the significant benefits regarding the control methods used.

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Section: The Engine In the Loopmentioning

confidence: 99%

Advanced Control Strategies on Nonlinear Testbench Dynamometer System for Simulating the Fuel Consumption

Fanesi¹,

Scaradozzi²

2020

Adv. sci. technol. eng. syst. j.

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“…real physical elements. In the further stages of testing, they are replaced with real components according to the level of simulation in Figure 1, until finally a test carried out on completely real equipment (Jung et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Implementation of vehicle simulation model in a modern dynamometer test environment

Koller¹,

Tóth-Nagy²,

Perger³

2022

CogSust

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The rapid development of digital technology makes it possible to expand the sustainability of the transport sector. With the development of digitalization, virtual tests play an increasingly important role in product design. With the development of computer technology, there is a more accurate and faster opportunity to save time, energy, and costs before the product is introduced to the market. In the early stages, vehicle simulation can be effectively used, which is a cost- and time-efficient solution. This study presents the transfer of a vehicle simulation model to an internal combustion engine dynamometer. Dynamometers allow the behavior of the real engine to be tested before the complete vehicle is available. Building the simulation model of the complete system including the dynamometer and the engine makes it possible to setup the variables of the real test environment resulting in decreased time and cost on the dynamometer. Furthermore, the system constructed in this way can be suitable for carrying out the tests that were previously carried out on the entire vehicle. With a vehicle simulation model, the level of simulation can be changed as needed during development until the developed real vehicle is fully realized.

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“…The patent by General Motors [10] used the same principle of a simulated inertia but introduced a more advanced virtual part that included an automatic transmission with a torque converter and a planetary gearbox, as well as a regulator of the virtual vehicle's velocity able of tracking driving cycles by means of engine throttle control. In the works published during the following three decades [11][12][13][14][15][16][17][18][19][20][21][22], the simulated vehicle inertia and virtual powertrain components were used in CiL systems for testing conventional, hybrid [12][13][14][15]19], and electric [16][17][18] powertrains. The evolution of these techniques also has resulted in engine-in-the-loop testing systems [20][21][22] having a wide use in powertrain development.…”

Section: Introductionmentioning

confidence: 99%

Component-in-the-Loop Testing of Automotive Powertrains Featuring All-Wheel-Drive

et al. 2021

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The article is dedicated to the methodology of designing component-in-the-loop (CiL) testing systems for automotive powertrains featuring several drivelines, including variants with individually driven axles or wheels. The methodical part begins with descriptions of operating and control loops of CiL systems having various simulating functionality—from a “lumped” vehicle for driving cycle tests to vehicles with independently rotating drivelines for simulating dynamic maneuvers. The sequel contains an analysis that eliminates a lack of clarity observed in the existing literature regarding the principles of building a “virtual inertia” and synchronization of loading regimes between individual drivelines of the tested powertrain. In addition, a contribution to the CiL methodology is offered by analyzing the options of simulating tire slip taking into account a limited accuracy of measurement equipment and a limited performance of actuating devices. The methodical part concludes with two examples of mathematical models that can be employed in CiL systems to simulate vehicle dynamics. The first one describes linear motion of a “lumped” vehicle, while the second one simulates vehicle’s trajectory motion taking into account tire slip in both the longitudinal and lateral directions. The practical part of the article presents a case study showing an implementation of the CiL design principles in a laboratory testing facility intended for an all-wheel-drive hybrid powertrain of a heavy-duty vehicle. The CiL system description is followed by the test results simulating the hybrid powertrain operation in a driving cycle and in trajectory maneuvering. The results prove the validity of the proposed methodical principles, as well as their suitability for practical implementations.

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Engine-in-the-Loop: A Method for Efficient Calibration and Virtual Testing of Advanced Diesel Powertrains

Cited by 5 publications

References 5 publications

Advanced Control Strategies on Nonlinear Testbench Dynamometer System for Simulating the Fuel Consumption

Advanced Control Strategies on Nonlinear Testbench Dynamometer System for Simulating the Fuel Consumption

Implementation of vehicle simulation model in a modern dynamometer test environment

Component-in-the-Loop Testing of Automotive Powertrains Featuring All-Wheel-Drive

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