Test time reduction has been pursued through random vibration, accelerated testing. “K2/Fatigue” employs tailoring or fatigue methods to develop a fatigue test. A new trend growing in popularity among the leading European automotive manufacturers to reduce test time is ‘’multi-sweep sine’’. A traditional wide-band sine sweep is divided into several narrower-band sine sweeps, which when added together combine to cover the original wide band. Running the narrow band sweeps in parallel significantly reduces the test time required. IMV has recently upgraded its leading K2 controller with this true multi-sine functionality.

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