The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 25, 2025
Filed:
Oct. 12, 2022
Aerospace Engineering University of the People's Liberation Army (Pla) Strategic Support Force, Beijing, CN;
Yanji Hong, Beijing, CN;
Xiaohui Feng, Beijing, CN;
Xing Jin, Beijing, CN;
Jifei Ye, Beijing, CN;
Haichao Cui, Beijing, CN;
Gaoping Feng, Beijing, CN;
Abstract
The present disclosure belongs to the technical field of space satellite propulsion, and particularly relates to a digital filter based method for measuring thrust response time of a satellite-borne micro-thruster. The method for measuring thrust response time in the present disclosure includes the following steps: S: zeroing non-zero initial conditions of a torsional pendulum thrust measurement system to obtain an oscillating differential equation for a thrust measurement system after variable substitution; S: connecting the digital filter in series behind the thrust measurement system after variable substitution to obtain an equivalent-sensitivity high-frequency thrust measurement system; S: determining a system response of the equivalent-sensitivity high-frequency thrust measurement system; S: determining and reading thrust response time of the satellite-borne micro-thruster from the system response; and S: computing thrust to be measured by means of the system response inversely, and further confirming the thrust response time.