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Design and Fabrication of a Magneto-rheological Fluid Based Torque Sensor for Automotive Application

  • Muhamad Husaini Abu BakarEmail author
  • Amirul Qusyaini Alwi
Chapter
Part of the Advanced Structured Materials book series (STRUCTMAT, volume 102)

Abstract

A magneto-rheological (MR) based torque sensor is a device that transmits the torque by the cutting force of the MR fluid. The magneto-rheological fluids technology has been tested for many industrial applications, such as dampers, actuators, etc. A MR fluid is an intelligent material whose rheological characteristics change rapidly and can be easily controlled in the existence of an applied magnetic field. It presents a viscous coupling controllable by torque, the coupling consists of two types of discs, one is connected to a housing (fixed discs), and the other is connected to an axis (rotating discs). The drive discs and the follower discs are arranged in turn and are interleaved. The MR fluid is filled in the housing. The magnetic fields freeze the fluid so that the shearing torque is generated between the diving discs and the follower discs due to the shears between the slots in the discs below the magnetic fields. The torque is controlled by electromagnets. To have a large pair with small electrical power, the coil turns must be large, so that the response is delayed due to the inductance of the coil. A comparison between the magnetic flux and the intensity of the designs obtained from finite element analysis allow to derive the best design for the prototype in order to proof the concept. The turn of the winding coil and the current as a fixed value is 1500 turn and 1 A current.

Keywords

Magneto-rheological (MR) fluid MR fluid disc brake Magnetic Non-magnetic Finite element 

Notes

Acknowledgements

Alhamdulillah, with the will of Allah S.W.T, I had managed to complete this project in time. First of all, I would like to express my gratitude to my supervisor, Dr. Muhamad Husaini Bin Abu Bakar for accepting and giving me the opportunity to be my supervisor to finish this project. I am also grateful for his support and guidance that have helped me expand my horizons of thought and expression. He was accommodating in finding solutions to several problems that I had during to finish this project.

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Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  • Muhamad Husaini Abu Bakar
    • 1
    Email author
  • Amirul Qusyaini Alwi
    • 1
  1. 1.System Engineering and Energy LaboratoryMalaysian Spanish Institute, Universiti Kuala LumpurKulimMalaysia

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