IoT Listening Devices Could Reduce Mining Downtime

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By: Andrew Spence, The Lead SA


 

South Australian company Ping Services has launched a device that uses acoustic analysis, machine learning, and the Internet of Things (IoT) to continuously detect wind turbine blade damage.

 

Ping has also partnered with fellow South Australian space startup Myriota, a satellite communications company, to allow it to transmit data in remote areas without Internet or mobile phone coverage.

 

The key piece of technology is the algorithm that can rate the health of the turbine, based on its acoustic signature and monitor changes over time.

 

Ping Services CEO Matthew Stead said Ping was investigating the development of applications for the mining industry. He said he was in discussion with an Australian mining company about adapting the technology to listen for faults in mining machinery.

 

“So that would be listening for things like conveyor belt bearing damage and wheel bearing damage on freight rail wagons,” he said.

 

Mechanical breakdowns and unplanned downtime costs the mining industry millions of dollars in lost production every year and can also compromise miner safety. Stead said something as simple as replacing a noisy bearing could prevent more serious damage occurring if the problem was not addressed.

 

Ping Services closed a $650,000 seed fund round in July after securing an additional $200,000 in government funding earlier this year and was part of the University of South Australia’s inaugural space incubator program Venture Catalyst Space.

 

The Adelaide-based company will this week install 55 of its listening devices on turbines at a wind farm in the neighboring state of Victoria as part of a three-month pilot program.

 

The patented device, known as the 2.0, features the Myriota direct-to-orbit satellite connectivity and is powered by its own small solar panel.

 

Stead said about 40 more second-generation Ping Monitors would also be trialed at wind farms in the United States in the coming months, most likely in Texas and West Virginia.

 

“We obviously had a significant milestone with raising funds earlier in the year but when you think about what we’re actually about to do, this is our biggest milestone so far for sure,” Stead said.

 

“Our absolute hope is to have these large-scale trials turn into commercial agreements and we’re investigating the best ways to scale up the manufacturing plan. Our target is 20,000 units in five years.”

 

The device magnetically attaches to wind turbine towers and actively listens to the blades’ acoustic signature while rotating to detect blade faults such as pitting or cracks caused by lightning strikes or hail.

 

Its conical shape protects its microphone from rain, debris such as bird droppings, and ground-level noise.

 

“We’ve developed our own acquisition system that has its own custom Myriota communication board so we do all the acoustic measurements and processing on our system and a few times a day we transmit the results over the Myriota communication system, which is satellite-connected,” Stead said.

 

“That information then comes to us via our cloud platform and the wind farms will have access to that.”

 

Myriota CEO Alex Grant said Ping and Myriota began collaborating last year with a number of wind farm trials near Snowtown in South Australia’s Mid North.

 

“Our partnership enables Ping’s listening devices to have satellite connectivity, enabling predictive maintenance monitoring in remote areas,” Dr. Grant said.

 

“Ping joins a growing number of companies who are using Myriota’s technology to solve connectivity issues in remote areas, including Goanna Ag, Davey and the Australian Institute for Marine Science.”

 

Ping Services will next month move into Lot Fourteen, a former hospital site in the CBD of Adelaide that has been transformed into an innovation neighborhood and is already home to several emerging tech and space companies including Myriota.

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