Soft Magnetic Powdery Sensor for Tactile Sensing
Soft resistive tactile sensors are versatile devices with applications in next-generation flexible electronics. We developed a novel type of soft resistive tactile sensor called a soft magnetic powdery sensor (soft-MPS) and evaluated its response characteristics. The soft-MPS comprises ferromagnetic...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2019-06-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/19/12/2677 |
| _version_ | 1797999556740251648 |
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| author | Shunsuke Nagahama Kayo Migita Shigeki Sugano |
| author_facet | Shunsuke Nagahama Kayo Migita Shigeki Sugano |
| author_sort | Shunsuke Nagahama |
| collection | DOAJ |
| description | Soft resistive tactile sensors are versatile devices with applications in next-generation flexible electronics. We developed a novel type of soft resistive tactile sensor called a soft magnetic powdery sensor (soft-MPS) and evaluated its response characteristics. The soft-MPS comprises ferromagnetic powder that is immobilized in a liquid resin such as polydimethylsiloxane (PDMS) after orienting in a magnetic field. On applying an external force to the sensor, the relative distance between particles changes, thereby affecting its resistance. Since the ferromagnetic powders are in contact from the initial state, they have the ability to detect small contact forces compared to conventional resistive sensors in which the conductive powder is dispersed in a flexible material. The sensor unit can be made in any shape by controlling the layout of the magnetic field. Soft-MPSs with different hardnesses that could detect small forces were fabricated. The soft-MPS could be applied to detect collisions in robot hands/arms or in ultra-sensitive touchscreen devices. |
| first_indexed | 2024-04-11T11:06:31Z |
| format | Article |
| id | doaj.art-88a1ff7b5fb0414b95f7f64b77fcb412 |
| institution | Directory Open Access Journal |
| issn | 1424-8220 |
| language | English |
| last_indexed | 2024-04-11T11:06:31Z |
| publishDate | 2019-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Sensors |
| spelling | doaj.art-88a1ff7b5fb0414b95f7f64b77fcb4122022-12-22T04:28:17ZengMDPI AGSensors1424-82202019-06-011912267710.3390/s19122677s19122677Soft Magnetic Powdery Sensor for Tactile SensingShunsuke Nagahama0Kayo Migita1Shigeki Sugano2Waseda Research Institute for Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, JapanSchool of Creative Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, JapanSchool of Creative Science and Engineering, Waseda University, 3-4-1 Okubo, Shinjuku-ku, Tokyo 169-8555, JapanSoft resistive tactile sensors are versatile devices with applications in next-generation flexible electronics. We developed a novel type of soft resistive tactile sensor called a soft magnetic powdery sensor (soft-MPS) and evaluated its response characteristics. The soft-MPS comprises ferromagnetic powder that is immobilized in a liquid resin such as polydimethylsiloxane (PDMS) after orienting in a magnetic field. On applying an external force to the sensor, the relative distance between particles changes, thereby affecting its resistance. Since the ferromagnetic powders are in contact from the initial state, they have the ability to detect small contact forces compared to conventional resistive sensors in which the conductive powder is dispersed in a flexible material. The sensor unit can be made in any shape by controlling the layout of the magnetic field. Soft-MPSs with different hardnesses that could detect small forces were fabricated. The soft-MPS could be applied to detect collisions in robot hands/arms or in ultra-sensitive touchscreen devices.https://www.mdpi.com/1424-8220/19/12/2677ferromagnetic powdersoft materialtactile sensormagnetic field orientation |
| spellingShingle | Shunsuke Nagahama Kayo Migita Shigeki Sugano Soft Magnetic Powdery Sensor for Tactile Sensing Sensors ferromagnetic powder soft material tactile sensor magnetic field orientation |
| title | Soft Magnetic Powdery Sensor for Tactile Sensing |
| title_full | Soft Magnetic Powdery Sensor for Tactile Sensing |
| title_fullStr | Soft Magnetic Powdery Sensor for Tactile Sensing |
| title_full_unstemmed | Soft Magnetic Powdery Sensor for Tactile Sensing |
| title_short | Soft Magnetic Powdery Sensor for Tactile Sensing |
| title_sort | soft magnetic powdery sensor for tactile sensing |
| topic | ferromagnetic powder soft material tactile sensor magnetic field orientation |
| url | https://www.mdpi.com/1424-8220/19/12/2677 |
| work_keys_str_mv | AT shunsukenagahama softmagneticpowderysensorfortactilesensing AT kayomigita softmagneticpowderysensorfortactilesensing AT shigekisugano softmagneticpowderysensorfortactilesensing |