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Improved Quasi-δ Function Pulse Pressure Dynamic Calibration of High-Pressure Transducer
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Yu ZHANG1, Jing ZU2, 3, Hong-Yan ZHANG1
Chinese Journal of High Pressure Physics | 2013, 27(6) : 921 - 927
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Chinese Journal of High Pressure Physics | 2013, 27(6): 921-927
Improved Quasi-δ Function Pulse Pressure Dynamic Calibration of High-Pressure Transducer
Full
Yu ZHANG1, Jing ZU2, 3, Hong-Yan ZHANG1
Affiliations
  • 1.School of Computer and Control Engineering, North University of China, Taiyuan 030051, China
  • 2.Science and Technology on Electronic Test & Measurement Laboratory, Taiyuan 030051, China
  • 3.Key Laboratory of Instrumentation Science & Dynamic Measurement (Ministry of Education), North University of China, Taiyuan 030051, China
Published: 2013-12-15
Outline
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Based on the analysis of shortcomings existed in quasi-δ function calibration method, a dynamic calibration method was proposed. In this method, a pressure sensor was under high static pressure in advance, and then a bullet was used to impact Hopkinson bar for generating a quasi-δ function signal with small amplitude, which excited the sensor being calibrated, and finally a frequency response characteristics of the sensor was obtained. The principle of quasi-δ function dynamic calibration method was introduced. The relation of pulse-width of quasi-δ function signal, calibrated frequency range, and calibration precision was analyzed. The dynamic calibration system was established. This calibration method realized dynamic calibration of high pressure sensor under actual working pressure, and realized the tracing from zero frequency to a certain frequency needed. On the current technical level, the maximum static pressure is 800 MPa, the pulse width of the quasi-δ function signal is within 7 μs to 10 μs, the calibrated frequency range is from 0 to 20 kHz, and calibration error of amplitude-frequency characteristics is 5%.

high-pressure transducer  /  dynamic calibration  /  frequency response  /  quasi-δ function
张瑜, 祖静, 张红艳. 改进的高压传感器准δ函数脉冲压力动态校准方法. 高压物理学报, 2013 , 27 (6) : 921 -927 .
Yu ZHANG, Jing ZU, Hong-Yan ZHANG. Improved Quasi-δ Function Pulse Pressure Dynamic Calibration of High-Pressure Transducer[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (6) : 921 -927 .
Year 2013 volume 27 Issue 6
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  • Receive Date:2012-02-15
  • Online Date:2026-11-05
  • Published:2013-12-15
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History
  • Received:2012-02-15
  • Revised:2012-06-07
Affiliations
    1.School of Computer and Control Engineering, North University of China, Taiyuan 030051, China
    2.Science and Technology on Electronic Test & Measurement Laboratory, Taiyuan 030051, China
    3.Key Laboratory of Instrumentation Science & Dynamic Measurement (Ministry of Education), North University of China, Taiyuan 030051, China
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表12种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
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属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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