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首页> 外文会议>International Congress on Condition Monitoring and Diagnostic Engineering Management >REARCH INTO FLYWHEEL TORSIONAL SPEED VARIATION FOR LARGE DIESEL ENGINE APPLICATIONS
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REARCH INTO FLYWHEEL TORSIONAL SPEED VARIATION FOR LARGE DIESEL ENGINE APPLICATIONS

机译：大型柴油机应用的飞轮扭转速度变化研究

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Large diesel engines are the primary drivers in many industrial applications such as container vessels, ferries, power generators as well as many large on and off road vehicles. Early fault detection and diagnosis is important to ensure the engine's reliable operation throughout the course of their service. This paper presents an investigation of the detection capability of using the engine flywheels speed variation for monitoring the instantaneous angular speed (IAS) of large diesel engines. Many publications have shown that the IAS signal is effective for monitoring small engines with less than eight cylinders. The applicability to larger engines, however, is strongly contested due to the high number of cylinders and large moment of inertia. This research investigates the fault detection and diagnosis capabilities of the IAS signal obtained from the magnetic pickup unit (MPU). Various tests on several medium speed diesel engines with up to 20 cylinders were carried out to demonstrate the practicality and to prove the results of this method. The results of this investigation show that the IAS measurement technique can be applied to diagnose and maintain large volume diesel engines during operation.
机译：大型柴油发动机在许多工业应用，如集装箱船，渡船，发电机以及许多大型道路和越野车的主要推动力。早期故障检测与诊断是非常重要的，以确保整个服务过程中发动机的可靠运行。本文呈现使用发动机的检测能力进行调查飞轮速度变化用于监测大型柴油发动机的瞬时角速度（IAS）。许多出版物已经表明，IAS信号有效监测小型发动机少于8个缸。是否适用于较大的发动机，然而，强烈的高缸数和惯性矩较大的争议所致。本研究调查故障检测和IAS的诊断能力信号从磁拾取单元（MPU）获得。具有至多20个汽缸若干中速柴油发动机的各种试验进行证明的实用性和证明了该方法的结果。这个调查表明，IAS测量技术可应用于诊断和操作过程中保持大量的柴油发动机的结果。

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