Researchers at Purdue University have developed a system for efficient, low-cost monitoring for machine health, including overall quality, condition and operation status.
The Purdue team’s innovation uses audio-based artificial intelligence technology to monitor the overall conditions of machines in factories, hospitals and other locations. The Purdue system uses a stethoscope-like system as a sensor and analyzes the data with a neural network-based framework.
“Our solution is to use the concept of doctors listening to a body to assess the initial condition or experts listening to the machine sounds to know what is going on,” said Martin Jun, a Purdue innovator and associate professor of mechanical engineering. “We are using artificial intelligence to train a wide range of sounds from the machine and determine many things about the machine or process autonomously.”
Jun said this system can detect anomalies without being fed a training set and is easier and more cost-effective than accelerometers or acoustic emission sensors.
The Purdue technology is designed to use internal sounds from a machine to determine the machine status, assess process conditions, diagnose machine condition and predict machine failures.
“Since only sound is used, it can be used for a number of different applications,” Jun said. “Having one low-cost sensor for many different purposes can address the current challenges in the area where most of the solutions are quite customized to specific problems.”
Maijker Corp., a startup created to commercialize technologies involving sensors and artificial intelligence.
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