Abstract
This paper presents the design and fabrication of an accelerometer which, as its proof mass, employs a mechanically unsupported disk. The disk is levitated electrostatically and sensing is achieved capacitively. The accelerometer is force balanced by incorporating the mechanical sensing element in a Sigma Delta (ΣΔ) modulator control system. Various electrode configurations are presented and optimised to ensure maximum pick-off signal. System level modelling results, comparing three and four electrode-group configurations, are presented and the fabrication process is discussed.
| Original language | English |
|---|---|
| Title of host publication | TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 1403-1406 |
| Number of pages | 4 |
| ISBN (Electronic) | 0780377311, 9780780377318 |
| DOIs | |
| Publication status | Published - 2003 |
| Externally published | Yes |
| Event | 12th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2003 - Digest of Technical Papers - Boston, United States Duration: 8 Jun 2003 → 12 Jun 2003 |
Publication series
| Name | TRANSDUCERS 2003 - 12th International Conference on Solid-State Sensors, Actuators and Microsystems, Digest of Technical Papers |
|---|---|
| Volume | 2 |
Conference
| Conference | 12th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS 2003 - Digest of Technical Papers |
|---|---|
| Country/Territory | United States |
| City | Boston |
| Period | 8/06/03 → 12/06/03 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 9 Industry, Innovation, and Infrastructure
Keywords
- Accelerometers
- Control systems
- Design optimization
- Electrodes
- Etching
- Fabrication
- Feedback
- Force control
- Frequency
- Springs
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