Evaluation of the Supporting Mounts of a Three-in-One Electric Drive Unit Using a Hybrid Simulation Model
Abstract
:1. Introduction
2. Theoretical Background
3. Dynamic Mechanical Property Test of Support Mounts
4. Hybrid Simulation Model of 3-in-1 Electric Drive Unit
4.1. Experimental Modal Test of 3-in-1 EDU
4.2. Hybrid Simulation Model of 3-in-1 EDU including a Rigid Finite Element Model
4.3. Verification of Hybrid Simulation Model of 3-in-1 EDU
5. Evaluation of Dynamic Characteristics of Supporting Mounts
5.1. Dynamic Response from Hybrid 3-in-1 EDU Model
5.2. Dynamic Response from Powertrain Dynamometer Test of 3-in-1 EDU
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Mount Type | Frequency (Hz) | Step (Hz) | Disp. (mm, p-p) | Direction | Preload (Static) |
---|---|---|---|---|---|
Rollrod | 10~100 | 2 | 0.2 | X | 0 kgf |
100~280 | 10 | 0.05 | |||
280~1000 | 10 | 0.01 | |||
GDU | 10~100 | 2 | 0.2 | X, Y, Z | 0 kgf (X, Y) 75 kgf (Z) |
100~280 | 10 | 0.05 | |||
280~1000 | 10 | 0.005 | |||
Motor | 10~100 | 2 | 0.2 | X, Y, Z | 0 kgf (X, Y) 70 kgf (Z) |
100~280 | 10 | 0.005 |
Experiment | Simulation | Error (%) |
---|---|---|
205.6 | 206.9 | 0.6 |
495.2 | 495.2 | 0.0 |
552.5 | 553.8 | 0.2 |
629.3 | 629.7 | 0.1 |
691.9 | 693.7 | 0.3 |
785.8 | 790.1 | 0.5 |
832.6 | 834.8 | 0.3 |
902.6 | 907.9 | 0.6 |
Mount Condition | Location | Low Frequency Range (10–400 Hz) | High Frequency Range (400–1000 Hz) | Total | Rank |
---|---|---|---|---|---|
Original | #1 | 0.705 | 0.211 | 4.222 | 3 |
#2 | 0.136 | 0.337 | |||
#3 | 0.768 | 0.846 | |||
#4 | 0.793 | 0.427 | |||
Rigid GDU Mount | #1 | 0.705 | 0.245 | 4.667 | 4 (worst) |
#2 | 0.135 | 0.441 | |||
#3 | 0.768 | 1.000 (worst) | |||
#4 | 0.793 | 0.579 | |||
Rigid motor Mount | #1 | 0.675 | 0.162 | 3.415 | 2 |
#2 | 0.120 | 0.206 | |||
#3 | 0.726 | 0.334 | |||
#4 | 1.000 (worst) | 0.193 | |||
Rigid Rollrod mount | #1 | 0.668 | 0.152 | 3.324 | 1 (best) |
#2 | 0.138 | 0.230 | |||
#3 | 0.820 | 0.473 | |||
#4 | 0.713 | 0.129 |
Mount Condition | Location | Low Frequency Range (10–400 Hz) | High Frequency Range (400–1000 Hz) | Total | Rank |
---|---|---|---|---|---|
Original | #1 | 0.558 | 0.512 | 4.556 | 3 |
#2 | 0.674 | 0.861 | |||
#3 | 0.499 | 0.509 | |||
#4 | 0.592 | 0.351 | |||
Rigid GDU Mount (steel) | #1 | 0.674 | 0.563 | 4.932 | 4 |
#2 | 0.664 | 0.928 | |||
#3 | 0.520 | 0.585 | |||
#4 | 0.626 | 0.372 | |||
Rigid motor Mount (aluminum) | #1 | 0.776 | 0.524 | 5.826 | 5 (worst) |
#2 | 1.000 (worst) | 1.000 (worst) | |||
#3 | 0.981 | 0.500 | |||
#4 | 0.678 | 0.367 | |||
Rigid Rollrod Mount (steel) | #1 | 0.473 | 0.494 | 4.070 | 1 (best) |
#2 | 0.576 | 0.794 | |||
#3 | 0.456 | 0.481 | |||
#4 | 0.460 | 0.336 | |||
Rigid Rollrod Mount (aluminum) | #1 | 0.483 | 0.535 | 4.120 | 2 |
#2 | 0.560 | 0.763 | |||
#3 | 0.441 | 0.508 | |||
#4 | 0.466 | 0.364 |
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Park, S.-H.; Kim, C.-J.; Kang, Y. Evaluation of the Supporting Mounts of a Three-in-One Electric Drive Unit Using a Hybrid Simulation Model. Machines 2023, 11, 1026. https://doi.org/10.3390/machines11111026
Park S-H, Kim C-J, Kang Y. Evaluation of the Supporting Mounts of a Three-in-One Electric Drive Unit Using a Hybrid Simulation Model. Machines. 2023; 11(11):1026. https://doi.org/10.3390/machines11111026
Chicago/Turabian StylePark, So-Hee, Chan-Jung Kim, and Yeonjune Kang. 2023. "Evaluation of the Supporting Mounts of a Three-in-One Electric Drive Unit Using a Hybrid Simulation Model" Machines 11, no. 11: 1026. https://doi.org/10.3390/machines11111026