FUZZY ADAPTIVE PID CONTROL-BASED CAPACITY CONTROL METHOD OF ANESTHESIA MACHINE

Title:

FUZZY ADAPTIVE PID CONTROL-BASED CAPACITY CONTROL METHOD OF ANESTHESIA MACHINE

Document Type and Number:

WIPO Patent Application WO/2017/113546

Kind Code:

A1

Abstract:

A fuzzy adaptive PID control-based capacity control method of an anesthesia machine. The method comprises: obtaining a particular initial voltage value according to a predetermined flow value, and inputting the voltage value as a current voltage value into a flow sensor; obtaining a real-time flow value, and a difference value between the real-time flow value and the predetermined flow value, and inputting the two values into a fuzzy adaptive PID controller; calculating and outputting a voltage value by regulating the proportional-control coefficient, integral-control coefficient, and derivative-control coefficient of the PID controller; updating, by using the voltage value, the current voltage value and inputting same into the flow sensor; and repeating the process until the flow value outputted by the flow sensor satisfies requirements. By means of the method, an anesthesia machine can output a stable and accurate tidal volume in the situations of different values and different patients.

Inventors:

TIAN YONGFENG (CN)
HAN WENLAN (CN)

Application Number:

PCT/CN2016/079347

Publication Date:

July 06, 2017

Filing Date:

April 15, 2016

Export Citation:

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Assignee:

BEIJING AEONMED CO LTD (CN)

International Classes:

A61M16/01; A61M16/00; G05B11/42; G05D7/06

Foreign References:

CN102346493A	2012-02-08
CN103071221A	2013-05-01
CN102397607A	2012-04-04
CN102397608A	2012-04-04
US20120090611A1	2012-04-19

Other References: