Authors: Li Bo; Xiong Di; Guohua Chen
Addresses: School of Mechanical Engineering, Hubei University of Arts and Science, Xiangyang City, Hubei Province 441053, China; Xiangyang Municipal Key Lab for Digital Equipment Manufacturing and Advanced Process Technology, Xiangyang City, Hubei Province 441053, China ' School of Automobile and Traffic Engineering, Wuhan University of Science and Technology, Wuhan City, Hubei Province 430081, China ' School of Mechanical Engineering, Hubei University of Arts and Science, Xiangyang City, Hubei Province 441053, China
Abstract: As large number of multi-type sensor signals were required to be collected in numerical control machine tool test, general acquisition system could only collect certain type of sensor signal, which did not have extended function so that its application scope in machine tool test was limited, leading to excessive acquisition equipment categories and insufficient compatibility with each other. Aiming at above-mentioned problems, a kind of extensible multisource acquisition system based on DSP and STM32 was designed, which took microcontroller as DSP and STM32. DSP microcontroller was mainly used to complete data acquisition and output function, while STM32 microcontroller was mainly used to complete data storage and communication function. Acquisition system had multi-source signal interface, which could automatically identify analogue signal type and could support parallel acquisition for temperature, vibration, voltage, current, pressure, displacement, and other types of signals. Extended function could be realised so as to increase multi-channel analogy input interface through removable extended module so as to satisfy acquisition requirements for different machine tool tests.
Keywords: numerical control machine tool; extensible; multi-source acquisition.
International Journal of Computer Applications in Technology, 2019 Vol.61 No.1/2, pp.118 - 126
Received: 25 Aug 2018
Accepted: 29 Nov 2018
Published online: 02 Sep 2019 *