Abstract
Vibration-Based Condition Monitoring (VBCM) provides essential data to perform Condition-Based Maintenance for efficient, optimal, reliable, and safe industrial machinery operation. However, equipment required to perform VBCM is often relatively expensive. In this paper, a low-cost vibration measurement system based on a microcontroller platform is presented. The FRDM K64F development board was selected as the most suitable for fulfilling the system requirements. The industrial environment is highly contaminated by noise (electromagnetic, combustion, airborne, sound borne, and mechanical noise). Developing a proper antialiasing filter to reduce industrial noise is a real challenge. In order to validate the developed system, evaluations of frequency response and phase noise were carried out. Additionally, vibration measurements were recorded in the industry under different running conditions and machine configurations. Data were collected simultaneously using a standard reference system and the low-cost vibration measurement system. Results were processed using Fast Fourier Transform and Welch’s method. Finally, a low-cost vibration measurement system was successfully created. The validation process demonstrates the robustness, reliability, and accuracy of this research approach. Results confirm a correlation between signal frequency spectrum obtained using both measurement systems. We also introduce new guidelines for practical data storage, communications, and validation process for vibration measurements.
Highlights
Recent developments in mechanical equipment have enhanced the functionality of rotating machines
Implementing a proper maintenance program is critical in industry applications
We reviewed recent research related to the development and design of data acquisition (DAQ)
Summary
Recent developments in mechanical equipment have enhanced the functionality of rotating machines. Nowadays, rotating machines are essential in modern industrial applications. Implementing a proper maintenance program is critical in industry applications. Condition-based maintenance (CBM) is an efficient program because it attempts to avoid unnecessary tasks by taking actions only when there is evidence of unusual machine performance. Proper machine maintenance can save 30% of the total maintenance costs. In CBM, decisions are based on data collected through condition monitoring [1,2,3,4,5]. One common type of condition monitoring is vibration-based condition monitoring (VBCM), whereby vibration data are collected. The equipment needed to perform data collection can be expensive and unaffordable for small companies, especially in developing countries. In this paper, a low-cost vibration measurement system based on a microcontroller development board is presented
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