高转差率电动机和变速控制技术是游梁式抽油机＂降载节能＂的重要措施之一。抽油机变速运行时,惯性载荷所占总载荷的比例增大。对游梁......

Blind source separation (BBS) technology was applied to vibration signal processing of gearbox for separating different ......

Considerable studies have been carried out on fault diagnosis of gears, with most of them concentrated on conventional v......