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The comparative analysis of the results of validation procedure of solid rocket motor thrust measurement procedure obtained during metrological investigations of thrust measurement channel by end-to-end and link-by-link validation methods shows that to ensure the required measurement accuracy, the algorithms of end-to-end method is preferable, at which the lower values of reduced error can be obtained as compared with the algorithm of link-by-link validation. Key words: measurement channel , reduced error , calibration characteristic , electric signal. measurement channel , reduced error , calibration characteristic , electric signal.
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14. Selection of the validation algorithm for the solid rocket motor trust measurement procedure

Organization:

Yangel Yuzhnoye State Design Office, Dnipro, Ukraine

Page: Kosm. teh. Raket. vooruž. 2019, (2); 103-108

DOI: https://doi.org/10.33136/stma2019.02.103

Language: Russian

Annotation: The solid rocket motors thrust is measured according to the developed measurement procedure; fulfilment of its requirements guarantees obtaining the results with required accuracy parameters. Compliance of this procedure with the measurement accuracy requirements is confirmed by way of its validation that can be performed according to different algorithms. The proposed article deals with two validation algorithms of measurement procedure for solid rocket motor thrust up to 30 tf – end-to-end and link-by-link validation methods. The composition of measurement channel, the experimental works performed at each validation algorithm are described, the calculation formulas to evaluate the limits of absolute measurement error and the obtained numerical values of the latter are presented. The comparative analysis of the results of validation procedure of solid rocket motor thrust measurement procedure obtained during metrological investigations of thrust measurement channel by end-to-end and link-by-link validation methods shows that to ensure the required measurement accuracy, the algorithms of end-to-end method is preferable, at which the lower values of reduced error can be obtained as compared with the algorithm of link-by-link validation.

Key words: measurement channel, reduced error, calibration characteristic, electric signal.

Bibliography:
1. Kotsyuba A. M., Zgurya V. I. Otsinyuvannya prydantosti (validatsiya) metodik vyprobuvannya ta calibruvannya: detalizatsia vymog. Metrologia ta prylady. 2013. № 6. S. 22–24.
2. Kotsyuba A. M., Domnytska V. K., Kotsyuba L. G. Validatsia metodik calibruvannya. Standartizatsia, certifikatsia, yakist’. 2016. № 1. S. 41–45.
3. Kotsyuba A. M. Validatsia metodik calibruvannya mir fizichnykh velichin. Systemy obrobky informatsii. 2015. № 2 (127). S. 35–39.
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14.2.2019 Selection of the validation algorithm for the solid rocket motor trust measurement procedure
14.2.2019 Selection of the validation algorithm for the solid rocket motor trust measurement procedure
14.2.2019 Selection of the validation algorithm for the solid rocket motor trust measurement procedure

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