Study on factors influencing sensitivity of push pull thermal expansion flow gyroscope
The factors affecting the sensitivity of push-pull thermal expansion flow gyroscope are studied. In this paper, a two-dimensional geometric model of gyro sensor is established. Based on this model, the relationship between the working parameters such as heater power, thermistor spacing and the tempe...
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| Vydané v: | IEEE Information Technology, Networking, Electronic and Automation Control Conference (Online) Ročník 5; s. 303 - 306 |
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| Jazyk: | English |
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IEEE
15.10.2021
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| ISSN: | 2693-3128 |
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| Abstract | The factors affecting the sensitivity of push-pull thermal expansion flow gyroscope are studied. In this paper, a two-dimensional geometric model of gyro sensor is established. Based on this model, the relationship between the working parameters such as heater power, thermistor spacing and the temperature difference between thermistors in the sensor cavity is numerically calculated. The results show that the angular velocity is in the range of ±20%. When the power of heater is 70mW, duty cycle is 50%, frequency is 10Hz, and the distance between thermistors is 6.5mm, the optimal structure sensitivity of gyro is 0.0997mK/rad/s. The results lay a theoretical foundation for the structure design and performance optimization of the thermal expansion flow gyroscope. |
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| AbstractList | The factors affecting the sensitivity of push-pull thermal expansion flow gyroscope are studied. In this paper, a two-dimensional geometric model of gyro sensor is established. Based on this model, the relationship between the working parameters such as heater power, thermistor spacing and the temperature difference between thermistors in the sensor cavity is numerically calculated. The results show that the angular velocity is in the range of ±20%. When the power of heater is 70mW, duty cycle is 50%, frequency is 10Hz, and the distance between thermistors is 6.5mm, the optimal structure sensitivity of gyro is 0.0997mK/rad/s. The results lay a theoretical foundation for the structure design and performance optimization of the thermal expansion flow gyroscope. |
| Author | Piao, Linhua Ding, Xia Wang, Yuxin Li, Bei |
| Author_xml | – sequence: 1 givenname: Linhua surname: Piao fullname: Piao, Linhua email: bjplh@163.com organization: Beijing Information Science & Technology University,Beijing Key Laboratory for Sensor,Beijing,China – sequence: 2 givenname: Yuxin surname: Wang fullname: Wang, Yuxin email: 516610325@qq.com organization: Beijing Information Science & Technology University,Beijing Key Laboratory for Sensor,Beijing,China – sequence: 3 givenname: Bei surname: Li fullname: Li, Bei email: 2369177354@qq.com organization: Beijing Information Science & Technology University,Beijing Key Laboratory for Sensor,Beijing,China – sequence: 4 givenname: Xia surname: Ding fullname: Ding, Xia email: xiading@qust.edu.cn organization: Qingdao University of Science & Technology,School of Physics & Mathematics,Qingdao,China |
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| Snippet | The factors affecting the sensitivity of push-pull thermal expansion flow gyroscope are studied. In this paper, a two-dimensional geometric model of gyro... |
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| SubjectTerms | finite element analysis Gyroscopes MEMS Sensitive gas Sensitivity Temperature Temperature sensors Thermal analysis Thermal expansion Thermal expansion flow gyroscope Thermistors |
| Title | Study on factors influencing sensitivity of push pull thermal expansion flow gyroscope |
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