本文介绍了一种数字式松紧架的设计方法。文中简要介绍了数字式松紧架的结构与原 理、数字式松紧架的硬件电路设计。数字式松紧架与传统的模拟式松紧架相比,实现了全数字控制,提高了控制精度。 关键词:数字式;松紧架;数字控制 Abstract: The article introduces a design of digital straight displacement elastic device. The constitute and principle of the hardware and main functions are described briefly. The digital straight displacement elastic device doesn’t have the classical analogous devivces’ disadvantages.It enhance control acuuracy and make the whole control system into digital control . Keywords: digital ;straight displacement elastic device;control acuuracy