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Nuevo amortiguador de vibraciones activas y pasivas para evitar resonancias, perturbaciones y tonalidad


Oferta Tecnológica
Una pyme belga especializada en control de vibraciones ofrece servicios de diagnóstico de vibraciones, especificación de requisitos, amortiguación de vibraciones compacta y a medida y puesta en marcha. La empresa tiene una amplia trayectoria y ofrece soluciones innovadoras de control de vibraciones, sensores y mecanismos de alta precisión que desarrolla en colaboración con sus clientes. La empresa busca socios que se enfrenten a problemas de vibraciones en áreas específicas y ofrece experiencia para desarrollar nuevas soluciones. El objetivo es establecer acuerdos de servicio.


Innovative damping solution in active and passive vibration to avoid resonance, perturbations and tonality
This Belgian SME specialised in vibration control, offers its services in vibration diagnosis, requirement specifications, custom-made compact vibration damping and commissioning.
The company has an extensive track record and offers innovative solutions regarding vibration control, sensing systems and high precision mechanisms; in collaboration with its customers.

The company seeks partners interested in services agreements for experienced support for vibration diagnosis.
The Belgian company does not just manufacture custom-made highly effective isolation, damping or cancelling systems, but also promptly provides experienced support for vibration diagnosis, requirement specifications, and commissioning.

Vibrations play a critical role in machine limitations, starting from the conventional limitations of machine performances (e.g. printing resolution) and machine reliability (fatigue and wear), to more sophisticated phenomenoms like chatter (machine tool instability) or control-flexibility interaction. There are mainly three available methods, each of them being implemented by either active or passive means. Vibration isolation, vibration damping and anti-noise.

Vibration isolation prevents perturbations from reaching the sensitive payload (f.i. car suspension).
Structural damping avoids perturbations being amplified by structural resonances.
Active damping systems are closed-loop devices, relying on actuators, sensors and a feedback control algorithm.

Anti-noise consists in cancelling the vibration by generating a force opposite to the incoming perturbation. Whenever the sensitive area cannot be isolated from the vibration excitation forces and whenever the vibrations are not amplified by the mechanical structure but mainly transmitted, the only remaining method to reduce the vibration (without a complete re-design of the system) is the anti-noise where a force opposite to the vibration excitation (same frequency, same amplitude but opposite phase) is generated resulting in a destructive interference process. Active anti-noise systems are open-loop devices, relying on actuators, sensors and a feedforward control algorithm.

Passive anti-vibration systems, both damping and anti-noise, are often based on Tuned Mass Absorbers or TMA, where an oscillating spring-mass system is mounted on the target structure, i.e. at the location where the vibration is to be cancelled out. This TMA will absorb the vibration energy in a frequency band around its own resonance/tuning frequency. Thus, around that given frequency, the vibration energy is transferred into the TMA but not damped.

Vibration reduction requires dedicated mechanical design and expert knowledge of the problem and its possible and compatible solutions. For example, TMA technology is well suited to address acoustic tonality issues (wind turbine gearbox, compressor...) where the vibration energy is transferred in a secondary device whose acoustics emission is drastically reduced.

The Belgian company is interested in finding partners facing vibration problems in their specific area of activity and for which its expertise for developing new solutions would be of interest.
Collaboration could be envisaged under the form of services agreements.

Advantages and Innovations:
While vibration reduction technology has been well known for years and conceptually seems ´simple´, each implementation requires specific attention.
The company´s knowhow is essential in the process: Aspects such as added weight, tuning frequency, available space, environmental factors, and manufacturing costs are taken into account. Particularly the mechanical interface design is of primary importance. Poor interface design can drastically reduce the absorption performances. Sometimes the situation may even be worse than before! Due to its extensive (space) expertise solutions are provided in short time frames.
The technology provided by this company has the advantage of being compact; non-intrusive (no structural modification is needed); additive (the more you attach to the structure or machine, the more damping you get); needing no external mechanical connections and have a wide operating bandwidth.
Stage of Development:
Already on the market
Secret know-how

Partner sought

Type and Role of Partner Sought:
Vibrations occur in all domains of activity. Therefore potential partners can be active in all domains, machines or products. The only initial condition is that should be facing acoustic and vibration difficulties.


Type and Size of Client:
Industry SME <= 10
Already Engaged in Trans-National Cooperation:
Languages Spoken:


Technology Keywords:
10002014 Contaminación acústica
05003001 Ingeniería acústica y vibracional
09001001 Tecnología acústica relacionada con la realización de medidas
09001005 Tecnología mecánica relacionada con la realización de medidas