上世纪60年代,出现了一门以理论和实际结合的机械故障诊断学科,经过多年的实际应用和发展,机械故障诊断这一学科的理论研究已经逐渐深入,并形成较为完善的体系,在具体的实际应用中,机械故障诊断也深入到社会生产生活的各个领域中,如机械、石化等行业。虽然机械故障诊断在近半世纪的发展之后,取得了一定的成果,但是,随着应用的逐渐深入和广泛化,其也存在一些问题和不足之处。笔者在本文中针对机械故障诊断的基础研究未来的发展方向以及根源进行研究,并对此提出一些观点。 In the 60s of last century, a theory of mechanical fault diagnosis combined with theory and practice emerged. After years of practical application and development, the theoretical research of mechanical fault diagnosis has gradually deepened and a relatively complete system has been formed. In practical application, the diagnosis of mechanical failure also goes deep into all fields of social production and life, such as machinery and petrochemical industries. Although mechanical fault diagnosis has achieved some achievements after nearly half a century of development, there are some problems and shortcomings as the application progresses. In this paper, the author studies the future development direction and the root of the basic research of mechanical fault diagnosis, and puts forward some opinions on it.