Abstract
A new magnetorheological piston head design inspired by toroidal electromagnets was proposed in previous work as an alternative to conventional annular dampers. A prototype with a circular valve array integrated inside the piston head was built and tested to measure its passive performance. The mechanical, electromagnetic, and hydraulic models used in the new design were explained, and the relevant parameters of the actuator were analyzed to construct a mathematical model to estimate its performance. These works showed the feasibility of the concept and its potential as an alternative to current damper technology, but lacked a baseline for comparison. This paper reviews and widens this groundwork. It adds a magnetic finite element method study to address the previously found leakage, and a new set of experiments, including a force controller, to compare its performance against a conventional annular piston head. The new findings show how the current force limitations can be overcome by striking a balance between the coil space and the size of electromagnet cores to achieve the performance of current dampers. They also highlight its potential in force control applications to provide a wider range of customization options, such as number and size of holes, electromagnets, and coils, and a better use of the active area of the gap.
| Original language | English |
|---|---|
| Article number | 7723921 |
| Pages (from-to) | 657-668 |
| Number of pages | 12 |
| Journal | IEEE/ASME Transactions on Mechatronics |
| Volume | 22 |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 2017 Apr 1 |
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Keywords
- Hydraulic actuators
- magnetic field induced strain
- magnetic liquids
- magnetorheological fluids
- prototypes
ASJC Scopus subject areas
- Control and Systems Engineering
- Computer Science Applications
- Electrical and Electronic Engineering
Cite this
Proposal and Preliminary Feasibility Study of a Novel Toroidal Magnetorheological Piston. / Aguirre Dominguez, Gonzalo; Kamezaki, Mitsuhiro; Sugano, Shigeki.
In: IEEE/ASME Transactions on Mechatronics, Vol. 22, No. 2, 7723921, 01.04.2017, p. 657-668.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Proposal and Preliminary Feasibility Study of a Novel Toroidal Magnetorheological Piston
AU - Aguirre Dominguez, Gonzalo
AU - Kamezaki, Mitsuhiro
AU - Sugano, Shigeki
PY - 2017/4/1
Y1 - 2017/4/1
N2 - A new magnetorheological piston head design inspired by toroidal electromagnets was proposed in previous work as an alternative to conventional annular dampers. A prototype with a circular valve array integrated inside the piston head was built and tested to measure its passive performance. The mechanical, electromagnetic, and hydraulic models used in the new design were explained, and the relevant parameters of the actuator were analyzed to construct a mathematical model to estimate its performance. These works showed the feasibility of the concept and its potential as an alternative to current damper technology, but lacked a baseline for comparison. This paper reviews and widens this groundwork. It adds a magnetic finite element method study to address the previously found leakage, and a new set of experiments, including a force controller, to compare its performance against a conventional annular piston head. The new findings show how the current force limitations can be overcome by striking a balance between the coil space and the size of electromagnet cores to achieve the performance of current dampers. They also highlight its potential in force control applications to provide a wider range of customization options, such as number and size of holes, electromagnets, and coils, and a better use of the active area of the gap.
AB - A new magnetorheological piston head design inspired by toroidal electromagnets was proposed in previous work as an alternative to conventional annular dampers. A prototype with a circular valve array integrated inside the piston head was built and tested to measure its passive performance. The mechanical, electromagnetic, and hydraulic models used in the new design were explained, and the relevant parameters of the actuator were analyzed to construct a mathematical model to estimate its performance. These works showed the feasibility of the concept and its potential as an alternative to current damper technology, but lacked a baseline for comparison. This paper reviews and widens this groundwork. It adds a magnetic finite element method study to address the previously found leakage, and a new set of experiments, including a force controller, to compare its performance against a conventional annular piston head. The new findings show how the current force limitations can be overcome by striking a balance between the coil space and the size of electromagnet cores to achieve the performance of current dampers. They also highlight its potential in force control applications to provide a wider range of customization options, such as number and size of holes, electromagnets, and coils, and a better use of the active area of the gap.
KW - Hydraulic actuators
KW - magnetic field induced strain
KW - magnetic liquids
KW - magnetorheological fluids
KW - prototypes
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UR - http://www.scopus.com/inward/citedby.url?scp=85018470461&partnerID=8YFLogxK
U2 - 10.1109/TMECH.2016.2622287
DO - 10.1109/TMECH.2016.2622287
M3 - Article
VL - 22
SP - 657
EP - 668
JO - IEEE/ASME Transactions on Mechatronics
JF - IEEE/ASME Transactions on Mechatronics
SN - 1083-4435
IS - 2
M1 - 7723921
ER -