一、前言 日本的钢铁工业二次大战后对检测、控制、自动化技术一直起着推动作用,可以想像今后仍不会改变这种状况。这是因为象钢铁工业这种大型装置的工业部门检测、控制、自动化技术对其技术更加合理化所起的重大作用已被确认,并打下了根基。同时还有下列其它的原因。 (1)日本的钢铁工业,原先主要依赖 I. Introduction Japan’s steel industry has played a catalytic role in testing, control and automation technologies since the Second World War, and it can be imagined that this will not change in the future. This is because the significant role played by industrial sector testing, control and automation technologies, such as the iron and steel industry, in the rationalization of their technologies has been established and laid the foundations. There are other reasons below. (1) Japan’s steel industry, the original mainly rely on