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Heli-Expo 2017: Two million hours of vibration control

7th March 2017 - 16:00 GMT | by Georgina Smith in Dallas

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In the run up to Heli-Expo 2017, LORD Corporation has announced that its Active Vibration Control Systems (AVCS) and Electromechanical Systems (EMS) have reached a milestone two million flight hours accumulated in service on ten different aircraft models.

More than 1,500 systems have been delivered since the international technology and manufacturing company diversified its operations into vibration, noise and motion control management over 20 years ago.

Establishing a firm presence in the civil helicopter market, LORD has adapted to meet the needs of customers and platform requirements, according to Patricia Foote, manager of aerospace and defence product support engineering.

'Today, LORD has EMS/AVCS products and development programmes with every major helicopter OEM and several of the fixed-wing OEMS,' she said. 'In the helicopter industry, LORD AVCS is gaining more acceptance and many select it as standard equipment for their aircraft models.'

Scott Miller, global manager of the rotary wing market for LORD, confirmed that the system has become the industry standard, noting that though its primary function concerns an increase in aircraft safety and reliability, the AVCS provides economic value.

'Depending on the aircraft and mission, weight savings and vibration reduction can enable operators to fly faster and further, and at a lower cost,' he explained.

The AVCS technology operates using accelerometers that measure aircraft vibration levels at key locations. The data is interpreted by a software algorithm, which sends commands to onboard integrated force generators.

According to the company, in addition to reducing vibration levels the system delivers the capability to track variable rotor speed, adjust to varying flight conditions, communicate with aircraft maintenance systems and provide performance data.

Systems for eight additional aircraft models are currently undergoing development and certification.

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