On the premise of ensuring the system switching safely, the design using this method shortens the switching dead time to minimum and guarantees that the system has abetter dynamic quality.

• 采用本文给出的方法进行设计,可以在确保系统安全切换的前提下,最大限度地缩短切换死时,并保证系统具有尽可能良好的动态品质。