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为满足某大型连续风洞的精细化、高效化测量要求,设计了一种以永磁直线同步电机为驱动的移测装置。利用UG对移测装置的机械结构进行三维设计和运动仿真;建立了直线永磁同步电机的数学模型,阐述直线永磁同步电机的矢量控制原理;对移测装置的伺服测控系统的硬件和软件进行设计。该方案实现了移测装置在长行程、大空间中精准的定位和流场校测功能,对提高大型风洞的综合性能具有重要意义。
In order to meet the requirements of meticulous and efficient measurement of a large continuous wind tunnel, a displacement measuring device driven by a permanent magnet linear synchronous motor was designed. Using UG to carry on three-dimensional design and motion simulation of the mechanical structure of the measuring device; the mathematical model of the linear permanent magnet synchronous motor is established; the vector control principle of the linear permanent magnet synchronous motor is expounded; the hardware and software of the servo measurement and control system Design. The solution realizes the function of the measuring device in long stroke, precise positioning in large space and calibration of flow field, which is of great significance to improve the comprehensive performance of large-scale wind tunnel.