Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model
The helicopter vibrations generated by the main rotor/gearbox assembly are the principal cause of damage to cockpit instruments and discomfort of the crew in terms of cabin noise. The principal path of vibration transmission to the fuselage is through the gearbox rigid support struts. With the aim o...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-04-01
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| Series: | Aerospace |
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| Online Access: | https://www.mdpi.com/2226-4310/10/5/391 |
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| author | Antonio Carlo Bertolino Matteo Gaidano Stefano Smorto Paolo Giovanni Porro Massimo Sorli |
| author_facet | Antonio Carlo Bertolino Matteo Gaidano Stefano Smorto Paolo Giovanni Porro Massimo Sorli |
| author_sort | Antonio Carlo Bertolino |
| collection | DOAJ |
| description | The helicopter vibrations generated by the main rotor/gearbox assembly are the principal cause of damage to cockpit instruments and discomfort of the crew in terms of cabin noise. The principal path of vibration transmission to the fuselage is through the gearbox rigid support struts. With the aim of reducing these vibrations, this paper presents the design of a low-weight high-performance active damper for vibration control developed by Elettronica Aster S.p.A. The system is intended to replace the conventional struts and is composed of an electro-hydraulic actuator hosted within a compliant structure. This parallel nested structure allows the system to reach a high-power density. A physics-based mathematical model was used as a design digital twin to optimize the performance to meet the strict requirements. The active damper was designed for a reference application of a 15-seat medium-sized twin-engine helicopter. The model was used to perform the tests specified in the acceptance and testing procedure document, showing the compliance with the requirements of the current design. The damper physical realization, test bench design, experimental campaign, and model validation will be presented in Part 2. |
| first_indexed | 2024-03-13T09:14:45Z |
| format | Article |
| id | doaj.art-fc8be68ba2d944609b927495c7b230ec |
| institution | Directory Open Access Journal |
| issn | 2226-4310 |
| language | English |
| last_indexed | 2024-03-13T09:14:45Z |
| publishDate | 2023-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Aerospace |
| spelling | doaj.art-fc8be68ba2d944609b927495c7b230ec2023-05-26T13:20:33ZengMDPI AGAerospace2226-43102023-04-011039139110.3390/aerospace10050391Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical ModelAntonio Carlo Bertolino0Matteo Gaidano1Stefano Smorto2Paolo Giovanni Porro3Massimo Sorli4Politecnico di Torino, Department of Mechanical and Aerospace Engineering, 10129 Torino, ItalyPolitecnico di Torino, Department of Mechanical and Aerospace Engineering, 10129 Torino, ItalyElettronica Aster S.p.A., 20825 Barlassina, ItalyElettronica Aster S.p.A., 20825 Barlassina, ItalyPolitecnico di Torino, Department of Mechanical and Aerospace Engineering, 10129 Torino, ItalyThe helicopter vibrations generated by the main rotor/gearbox assembly are the principal cause of damage to cockpit instruments and discomfort of the crew in terms of cabin noise. The principal path of vibration transmission to the fuselage is through the gearbox rigid support struts. With the aim of reducing these vibrations, this paper presents the design of a low-weight high-performance active damper for vibration control developed by Elettronica Aster S.p.A. The system is intended to replace the conventional struts and is composed of an electro-hydraulic actuator hosted within a compliant structure. This parallel nested structure allows the system to reach a high-power density. A physics-based mathematical model was used as a design digital twin to optimize the performance to meet the strict requirements. The active damper was designed for a reference application of a 15-seat medium-sized twin-engine helicopter. The model was used to perform the tests specified in the acceptance and testing procedure document, showing the compliance with the requirements of the current design. The damper physical realization, test bench design, experimental campaign, and model validation will be presented in Part 2.https://www.mdpi.com/2226-4310/10/5/391active dampervibration controlhelicopterelectro-hydraulic servo actuator |
| spellingShingle | Antonio Carlo Bertolino Matteo Gaidano Stefano Smorto Paolo Giovanni Porro Massimo Sorli Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model Aerospace active damper vibration control helicopter electro-hydraulic servo actuator |
| title | Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model |
| title_full | Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model |
| title_fullStr | Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model |
| title_full_unstemmed | Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model |
| title_short | Development of a High-Performance Low-Weight Hydraulic Damper for Active Vibration Control of the Main Rotor on Helicopters—Part 1: Design and Mathematical Model |
| title_sort | development of a high performance low weight hydraulic damper for active vibration control of the main rotor on helicopters part 1 design and mathematical model |
| topic | active damper vibration control helicopter electro-hydraulic servo actuator |
| url | https://www.mdpi.com/2226-4310/10/5/391 |
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