Control method and system of breathing machine
A control method and technology of the control system, applied in the direction of respirator, etc., can solve the problems of not achieving human-machine synchronicity, not fully considering the breathing state, etc.
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[0042] The list of symbols used in the drawings or text is:
[0043] 1. Setting module, 2. Motor power amplifier, 3. Sensor, 4. Microcontroller, 5. Air filter, 6. Blower, 7. Nasal mask, 8. Transmission pipe, 9. Human, 10. Outside air , 11, air vent.
[0044] The present invention will be further described below in conjunction with the accompanying drawings, but the embodiments of the present invention are not limited thereto.
[0045] Such as image 3 As shown, a control method for a ventilator includes the following steps:
[0046] S1. collect inhalation and exhalation signals through sensors;
[0047] S2. According to the collected inspiratory and exhalation signals, the microcontroller uses an autocorrelation method to calculate the respiration rate, and deduces the current sleep state according to the correlation between the respiration rate and the sleep period;
[0048] S3. The microcontroller outputs the current sleep state, and the ventilator supplies air according...
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