Design of the Data Acquisition System Based on STM32
ABSTRACT
Early detection of failures in machinery equipments is one of the mostimportant
concerns to industry 。 In order tomonitor effective of rotating machinery, we
development a micro—controller uC/OS—II system of signal acquisition system
based on STM32 in this paper。 we have given the whole design scheme of system
and the multi—channel vibration signal in axis X, Y and Z of the rotary shaft can be
acquired rapidly and display in real-time。 Our system has the character of simple
structure, low power consumption, miniaturization。
Keywords:STM32; data acquisition; embedded system;uC/OS-II;
1. 1。 Introduction
The real-time acquisition of vibration in rotating machinery can effectively
predict, assess and diagnose equipment operation state, the industry gets vibration
data acquisition Rapidly and analysis in real—time can monitor the rotating
machinery state and guarantee the safe running of the equipment。 In order to prevent
failure, reduce maintenance time, improve the economic efficiency, The purpose
of fault diagnosis system can detect these devices through the vibration signal
acquisition of rotating machinery, and process the data acquisition, then it will make
timely judgment of running state of equipment .While the data acquisition module is
the core part of the fault diagnosis system [1—4].The practical application in the
industrial field, is the equipment operating parameters will be acquired to monitor
equipment operating state 。 In traditional data acquisition systems, the data from
acquisition card are generally send into the computer, and specific software will be
developed for the data acquisition。 The main contribution of this paper has designed
the STM32 platform with ARM technology, that has become a traditional mainstream
technology in embedded systems, and the collecting data toward the direction of
high real-time , multi—parameter , high—precision, while data storage become
large capacity , more miniaturization and portable, and the development of