Geographically distributed real-time co-simulation of electric vehicle

Alfonso, J.; Rodriguez-Fortun, J.M.; Bernad, Carlos; Beliautsou, Viktar; Ivanov, Valentin; Castellanos, José A.

doi:10.1109/codit55151.2022.9804062

Cited by 2 publications

(2 citation statements)

References 16 publications

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“…Furthermore, RVPs are often spatially distributed, as multiple real prototypes on different test benches are coupled, which requires communication via a network to exchange signals and enables interactions between the coupled prototypes. For example, in Europe, an RVP containing five test benches is being established for the development of electric vehicles [14,15].…”

Section: Introductionmentioning

confidence: 99%

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Enhancing the Coupling of Real-Virtual Prototypes: A Method for Latency Compensation

Baumann,

Kotte,

Mikelsons

et al. 2024

Electronics

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Currently, innovations in mechatronic products often occur at the system level, requiring consideration of component interactions throughout the entire development process. In the earlier phases of development, this is accomplished by coupling virtual prototypes such as simulation models. As the development progresses and real prototypes of certain system components become available, real-virtual prototypes (RVPs) are established with the help of network communication. However, network effects—all of which can be interpreted as latencies in simplified terms—distort the system behavior of RVPs. To reduce these distortions, we propose a coupling method for RVPs that compensates for latencies. We present an easily applicable approach by introducing a generic coupling algorithm based on error space extrapolation. Furthermore, we enable online learning by transforming coupling algorithms into feedforward neural networks. Additionally, we conduct a frequency domain analysis to assess the impact of coupling faults and algorithms on the system behavior of RVPs and derive a method for optimally designing coupling algorithms. To demonstrate the effectiveness of the coupling method, we apply it to a hybrid vehicle that is productively used as an RVP in the industry. We show that the optimally designed and trained coupling algorithm significantly improves the credibility of the RVP.

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Section: Introductionmentioning

confidence: 99%

“…eliminating the need for curve fitting in this case. Thus, the q = 2 past error curves required by Equation (15) result in…”

mentioning

confidence: 99%

Enhancing the Coupling of Real-Virtual Prototypes: A Method for Latency Compensation

Baumann,

Kotte,

Mikelsons

et al. 2024

Electronics

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Implementation of Interconnection Communication in ECPB In-Loop Testing System for Semi-Trailer Vehicles

Xu,

Wu,

Zhao

et al. 2024

Applied Sciences

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The semi-trailer ECPBS is adopted to achieve coordinated braking between tractor and trailer. Its control strategies are mainly verified through MIL and HIL tests. The correctness of the test results relies on the precision of the models. The dependence on the vehicle simulation models can be greatly reduced through an in-loop testing system, which combines the ECPB hardware test bench with the semi-trailer twin test vehicle. However, due to the long spatial distance between the two, higher requirements are placed on the real-time performance of the testing system. The communication interconnection mode, distributed network architecture, data coupling method and data coupling method of the in-loop testing system were investigated. Moreover, a delay compensation controller based on model prediction was designed and was applied to the motion control of the twin test vehicle. The simulation results have shown that the compensation controller can ensure the stability of vehicle motion with a goodness-of-fit of 0.826 under a delay of 0.7 s. Further experimental verification shows that the instructions issued by the ECPB hardware test bench controller can reach the semi-trailer twin test vehicle within 0.6 s, indicating that the communication interconnection method is feasible and can meet the real-time requirements of the in-loop testing system.

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Geographically distributed real-time co-simulation of electric vehicle

Cited by 2 publications

References 16 publications

Enhancing the Coupling of Real-Virtual Prototypes: A Method for Latency Compensation

Enhancing the Coupling of Real-Virtual Prototypes: A Method for Latency Compensation

Implementation of Interconnection Communication in ECPB In-Loop Testing System for Semi-Trailer Vehicles

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