Improvement of the Vehicle Seat Suspension System Incorporating the Mechatronic Inerter Element
Abstract
:1. Introduction
2. Half Vehicle Model
3. Seat Suspension Layout
3.1. The Ball-Screw Mechatronic Inerter
3.2. The Seat Suspension Layout
4. Optimal Design of the Mechatronic Seat Suspension
5. Performance Evaluation
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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Name | Value |
---|---|
Seat mass ms (kg) | 48 |
Body centroid mass ma (kg) | 928.2 |
Unsprung mass of front wheels muf (kg) | 26.5 |
Unsprung mass of rear wheels mur (kg) | 24.4 |
Distance from seat to centroid ls (m) | 0.324 |
Distance from front axle to centroid lf (m) | 0.968 |
Distance from rear axle to centroid lr (m) | 1.392 |
Moment of inertia aound the Y axis Iφ (kg·m2) | 1058 |
Front suspension stiffness kf (kN·m−1) | 25 |
Rear suspension stiffness kr (kN·m−1) | 22 |
Front suspension damping cf (Ns/m) | 1500 |
Rear suspension damping cr (Ns/m) | 1300 |
Tire stiffness kt (kN·m−1) | 192 |
Name | Value |
---|---|
Resistor R11 (Ω) | 4877 |
Resistor R12 (Ω) | 654 |
Capacitor C11 (F) | 0.0047 |
Resistor R21 (Ω) | 98,754 |
Resistor R22 (Ω) | 35,789 |
Resistor R23 (Ω) | 5711 |
Capacitor C21 (F) | 0.0079 |
Inductor L21 (H) | 0.34 |
Resistor R31 (Ω) | 81 |
Resistor R32 (Ω) | 6998 |
Resistor R33 (Ω) | 74,223 |
Resistor R34 (Ω) | 158 |
Capacitor C31 (F) | 0.0024 |
Capacitor C32 (F) | 0.0017 |
Inductor L31 (H) | 0.76 |
RMS of Seat Acceleration | Improvement | RMS of Pitch Acceleration | Improvement | |
---|---|---|---|---|
Passive suspension | 0.9913 | / | 1.2852 | / |
Layout S1 | 0.9664 | 2.51% | 1.2638 | 1.67% |
Layout S2 | 0.9459 | 4.58% | 1.2414 | 3.41% |
Layout S3 | 0.8866 | 10.56% | 1.1879 | 7.57% |
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Qiu, C.; Liu, X.; Shen, Y. Improvement of the Vehicle Seat Suspension System Incorporating the Mechatronic Inerter Element. World Electr. Veh. J. 2023, 14, 29. https://doi.org/10.3390/wevj14020029
Qiu C, Liu X, Shen Y. Improvement of the Vehicle Seat Suspension System Incorporating the Mechatronic Inerter Element. World Electric Vehicle Journal. 2023; 14(2):29. https://doi.org/10.3390/wevj14020029
Chicago/Turabian StyleQiu, Chengqun, Xiaofu Liu, and Yujie Shen. 2023. "Improvement of the Vehicle Seat Suspension System Incorporating the Mechatronic Inerter Element" World Electric Vehicle Journal 14, no. 2: 29. https://doi.org/10.3390/wevj14020029