Multi-path desynchronous pulse counting compensation method based on cascading adaptive trap wave device

• Main Authors: FENG LIANGFENG, XIE XIAOFANG, PAN YUNFEI, WAN YONG, LU JIAMIN, YANG RU
• Format: Patent
• Language: English
• Published: 21.10.2015
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The invention discloses a multi-path desynchronous pulse counting compensation method based on a cascading adaptive trap wave device. The method comprises the following steps a Liu type adaptive trap wave LANF with a zero-self-adaption factor is fixed on the front end; an LANF output is input into a Mohsen type adaptive trap wave device MANF; frequency is estimated by the MANF and the LANF is adjusted in real time; a cascading method is employed and the adaptive trap wave devices are fixed to form a cascading adaptive trap wave device SANF; the SANF is applied to multi-path desynchronous pulse counting compensation; and a phase position of a recurrent pulse at any steady state and relative compensation counting value can be acquired. The multi-path desynchronous pulse counting compensation method based on the cascading adaptive trap wave device solves problems that an LANF can only process sinusoidal signals, the MANF deviates from a periodic track while processing recurrent pulse input signal state variables, transient response is affected by input signal amplitude and large steady-state error exists in frequency estimation; non-sine periodic signals can be processed and multi-path desynchronous counting compensation can be conducted; and counting precision is effectively improved.