The document describes a continuous air control valve using particle excitation. The valve consists of an orifice plate, a PZT vibrator, and iron particles. It works by using air pressure to carry and deposit the iron particles over the orifice plate, normally sealing the airflow. Applying vibration from the PZT vibrator removes the particles from the orifice, allowing air to flow. The document discusses the working principle, design analysis, experimental evaluation of flow rate control, and conclusions.