关键词: 发动机试车台, 温度通道, 整机校准, 综合误差

Abstract: The traditional off-line calibration method of temperature configuration parameters of aero-engine test stand was analyzed. In view of its shortcomings such as time-consuming and frequent disassembly, failure and lack of judgment method of system comprehensive error, the online calibration method of engine test stand under static state was studied. By providing standard heat source for calibrated parameter sensor, the on-line calibration of temperature sensor and temperature channel (temperature instrument) is carried out. By comparing the results of simulation instrument of engine test stand system with the readings of standard, the effectiveness of on-line calibration is confirmed, and the comprehensive error calibration of test stand system is realized, which provides support for the health management of test stand.

Key words: Engine test stand, Temperature channel, The whole machine calibration, Comprehensive error