WO2017113546A1 - 基于模糊自适应pid控制的麻醉机容量控制方法 - Google Patents
基于模糊自适应pid控制的麻醉机容量控制方法 Download PDFInfo
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- WO2017113546A1 WO2017113546A1 PCT/CN2016/079347 CN2016079347W WO2017113546A1 WO 2017113546 A1 WO2017113546 A1 WO 2017113546A1 CN 2016079347 W CN2016079347 W CN 2016079347W WO 2017113546 A1 WO2017113546 A1 WO 2017113546A1
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- value
- voltage value
- flow
- pid controller
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 206010002091 Anaesthesia Diseases 0.000 title claims abstract description 16
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 16
- 230000037005 anaesthesia Effects 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 2
- 238000013178 mathematical model Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
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-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/021—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes operated by electrical means
- A61M16/022—Control means therefor
- A61M16/024—Control means therefor including calculation means, e.g. using a processor
- A61M16/026—Control means therefor including calculation means, e.g. using a processor specially adapted for predicting, e.g. for determining an information representative of a flow limitation during a ventilation cycle by using a root square technique or a regression analysis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/01—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes specially adapted for anaesthetising
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/10—Preparation of respiratory gases or vapours
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/36—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential
- G05B11/42—Automatic controllers electric with provision for obtaining particular characteristics, e.g. proportional, integral, differential for obtaining a characteristic which is both proportional and time-dependent, e.g. P. I., P. I. D.
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/0003—Accessories therefor, e.g. sensors, vibrators, negative pressure
- A61M2016/003—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter
- A61M2016/0033—Accessories therefor, e.g. sensors, vibrators, negative pressure with a flowmeter electrical
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3341—Pressure; Flow stabilising pressure or flow to avoid excessive variation
Definitions
- the invention relates to the field of anesthesia machines, in particular to an anesthesia machine capacity control method based on fuzzy adaptive PID control.
- the object of the present invention is to overcome the above defects of the PID controller on the anesthesia machine; a method for controlling the volume of an anesthesia machine based on fuzzy adaptive PID control is proposed, which can eliminate the steady state error and accelerate the dynamic response, considering that the conventional PID control can be used. Combining fuzzy control with traditional PID controller, it has the advantages of flexible control and strong adaptability, and has the characteristics of high PID control precision.
- the present invention provides an anesthesia machine capacity control method based on fuzzy adaptive PID control, the method comprising:
- the set flow value obtain the corresponding initial voltage value, input the voltage value as the current voltage value into the flow sensor, obtain the real-time flow value and the difference between the flow value and the set flow value, and input the two values into the fuzzy adaptive
- the PID controller calculates and outputs the voltage value by adjusting the proportional and integral control coefficients of the PID controller, the differential control coefficient, and updates the current voltage value with the value to input the flow sensor, and repeats the above process until the flow value output by the flow sensor Meet the requirements.
- the method specifically includes:
- Step 1) According to the set flow value L 0 , obtain a corresponding voltage value E 0 by looking up the table; set the current voltage value to E 0 ;
- Step 2) input the current voltage value into the inhalation valve, and use the flow signal detection to obtain the real-time flow value L;
- Step 3) calculating the difference ⁇ L between the real-time flow value L and the set flow value L 0 ;
- Step 4) determining whether the difference ⁇ L is less than the first threshold, if the result of the determination is affirmative, proceeds to step 6); otherwise, proceeds to step 5);
- Step 5) input the real-time flow value L and the difference ⁇ L obtained in step 3) into the fuzzy adaptive PID controller, calculate and output a new voltage value; update the current value to the voltage value, and proceed to step 2);
- Step 6 Record the current voltage value.
- the step 5) specifically includes:
- Step 5-1) determining whether ⁇ L is greater than the second threshold, if the determination result is affirmative, adjusting the proportional and integral control coefficients of the PID controller; and proceeding to step 5-2);
- Step 5-2) Calculate the rate of change of ⁇ L
- Step 5-3) Judging Whether it is greater than the third threshold, if the judgment result is affirmative, adjust the differential control coefficient of the PID controller; go to step 5-4);
- Step 5-4) According to the real-time flow value L and the difference ⁇ L, the PID controller calculates and outputs the voltage value, updates the current voltage value, and proceeds to step 2).
- the invention has the advantage that, by the method of the invention, the anesthesia machine can output a stable and accurate tidal volume under different setting values and different patients.
- FIG. 1 is a flow chart of a method for controlling an anesthesia machine capacity based on fuzzy adaptive PID control according to the present invention.
- anesthesia machine capacity control method based on fuzzy adaptive PID control includes:
- Step 1) According to the set flow value L 0 , obtain a corresponding voltage value E 0 by looking up the table; set the current voltage value to E 0 ;
- Step 2) input the current voltage value into the inhalation valve, and use the flow signal detection to obtain the real-time flow value L;
- Step 3) calculating the difference ⁇ L between the real-time flow value L and the set flow value L 0 ;
- Step 4) determining whether the difference ⁇ L is less than the first threshold, if the result of the determination is affirmative, proceeds to step 6); otherwise, proceeds to step 5);
- Step 5) input the real-time flow value L and the difference ⁇ L obtained in step 3) into the fuzzy adaptive PID controller, calculate and output a new voltage value; update the current value to the voltage value, and proceed to step 2); specifically :
- Step 5-1) determining whether ⁇ L is greater than the second threshold, if the determination result is affirmative, adjusting the proportional and integral control coefficients of the PID controller; and proceeding to step 5-2);
- Step 5-2) Calculate the rate of change of ⁇ L
- Step 5-3) Judging Whether it is greater than the third threshold, if the judgment result is affirmative, adjust the differential control coefficient of the PID controller; go to step 5-4);
- Step 5-4) according to the real-time flow value L and the difference ⁇ L, using the PID controller to calculate and output the voltage value, update the current voltage value, and proceed to step 2);
- Step 6 Record the current voltage value.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Emergency Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Pulmonology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
Abstract
Description
Claims (3)
- 基于模糊自适应PID控制的麻醉机容量控制方法,所述方法包括:根据设置的流量值,获取对应的初始电压值,将该电压值作为当前电压值输入流量传感器,获取实时的流量值和其与设置的流量值的差值,将这两个值输入模糊自适应PID控制器,通过调节所述PID控制器的比例和积分控制系数、微分控制系数,计算和输出电压值,并用该值更新当前电压值输入流量传感器,重复上述过程,直至流量传感器输出的流量值达到要求。
- 根据权利要求1所述的基于模糊自适应PID控制的麻醉机容量控制方法,其特征在于,所述方法具体包括:步骤1)根据设置的流量值L0,通过查表获取对应的电压值E0;将当前电压值设为E0;步骤2)将当前电压值输入吸气阀,利用流量信号检测获取实时流量值L;步骤3)计算实时流量值L和设置流量值L0的差值ΔL;步骤4)判断差值ΔL是否小于第一阈值,如果判断结果是肯定的,转入步骤6);否则,转入步骤5);步骤5)将实时流量值L和步骤3)得到的差值ΔL输入模糊自适应PID控制器,计算和输出新的电压值;将该电压值更新当前电压值,转入步骤2);步骤6)记录当前电压值。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16880354.2A EP3398639A4 (en) | 2015-12-29 | 2016-04-15 | Fuzzy adaptive pid control-based capacity control method of anesthesia machine |
EA201891524A EA039070B1 (ru) | 2015-12-29 | 2016-04-15 | Способ контролирования мощности аппарата для анестезии на основе нечеткого адаптивного пид-контролирования |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201511017387.2 | 2015-12-29 | ||
CN201511017387.2A CN106924851A (zh) | 2015-12-29 | 2015-12-29 | 基于模糊自适应pid控制的麻醉机容量控制方法 |
Publications (1)
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WO2017113546A1 true WO2017113546A1 (zh) | 2017-07-06 |
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PCT/CN2016/079347 WO2017113546A1 (zh) | 2015-12-29 | 2016-04-15 | 基于模糊自适应pid控制的麻醉机容量控制方法 |
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EP (1) | EP3398639A4 (zh) |
CN (1) | CN106924851A (zh) |
EA (1) | EA039070B1 (zh) |
WO (1) | WO2017113546A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113156810A (zh) * | 2021-04-29 | 2021-07-23 | 大连派思燃气设备有限公司 | 基于模糊pid控制的天然气调压*** |
Families Citing this family (4)
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---|---|---|---|---|
CN109945953A (zh) * | 2017-12-20 | 2019-06-28 | 北京谊安医疗***股份有限公司 | 一种等流量pid控制的流量传感器校验方法 |
CN111135411B (zh) * | 2020-01-20 | 2021-12-10 | 深圳市科曼医疗设备有限公司 | 呼气阀的控制方法、装置、计算机设备和存储介质 |
CN111752156B (zh) * | 2020-07-14 | 2021-10-29 | 北京航空航天大学 | 一种经鼻高流量湿化氧疗专家治疗方法及治疗*** |
CN112870480B (zh) * | 2021-01-22 | 2021-12-14 | 燕山大学 | 模糊控制远程控制***物输液泵*** |
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2015
- 2015-12-29 CN CN201511017387.2A patent/CN106924851A/zh active Pending
-
2016
- 2016-04-15 WO PCT/CN2016/079347 patent/WO2017113546A1/zh active Application Filing
- 2016-04-15 EP EP16880354.2A patent/EP3398639A4/en not_active Withdrawn
- 2016-04-15 EA EA201891524A patent/EA039070B1/ru unknown
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CN113156810A (zh) * | 2021-04-29 | 2021-07-23 | 大连派思燃气设备有限公司 | 基于模糊pid控制的天然气调压*** |
Also Published As
Publication number | Publication date |
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EA039070B1 (ru) | 2021-11-30 |
EA201891524A1 (ru) | 2018-12-28 |
EP3398639A4 (en) | 2018-11-21 |
CN106924851A (zh) | 2017-07-07 |
EP3398639A1 (en) | 2018-11-07 |
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