This paper describes miniature tactile elements with the dimension of a few mm for stiffness representation. The elements encapsulate magnetorheological (MR) fluid inside the flexible polydimethylsiloxane (PDMS) membrane and change its stiffness by controlling an external magnetic field. Hollow hemispherical PDMS membrane with the diameter of 4 mm was fabricated with glycerin droplet and filled with MR fluid. The elements were evaluated with compression tests. From the results, the elements successfully changed its stiffness and represent stiffness of normal tissues and tumors. Tactile display that consists of the elements were also evaluated. From the results, magnetic field to one element affected other elements. However, the difference was smaller than minimum detectable stiffness difference.
|Title of host publication
|MEMS 2016 - 29th IEEE International Conference on Micro Electro Mechanical Systems
|Institute of Electrical and Electronics Engineers Inc.
|Number of pages
|Published - 2016 Feb 26
|29th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2016 - Shanghai, China
Duration: 2016 Jan 24 → 2016 Jan 28
|29th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2016
|16/1/24 → 16/1/28
ASJC Scopus subject areas
- Electrical and Electronic Engineering
- Mechanical Engineering
- Condensed Matter Physics
- Electronic, Optical and Magnetic Materials