为解决生产线可编程逻辑系统(PLC)接线数量多、维修复杂等问题,设计基于Arduino的无线PLC控制系统。系统核心部件为控制智能模块、分线智能模块,分别采用Arduino Mega 2560控制板与Arduino UNO控制板,利用该智能系统在PLC和生产线终端...为解决生产线可编程逻辑系统(PLC)接线数量多、维修复杂等问题,设计基于Arduino的无线PLC控制系统。系统核心部件为控制智能模块、分线智能模块,分别采用Arduino Mega 2560控制板与Arduino UNO控制板,利用该智能系统在PLC和生产线终端之间进行数据无线传输。测试结果表明:设计系统无线数据传输准确、可靠,可有效实现控制逻辑,且有效减小控制柜与分段接线盒间接线端子数量,有效降低系统安装、维护难度,提高系统可扩展性。展开更多
The design of a handheld capnography device is in great demand because of its effective and practical uses in all cardiac arrest resuscitations,according to the recommendation of the American Heart Association.Herein,...The design of a handheld capnography device is in great demand because of its effective and practical uses in all cardiac arrest resuscitations,according to the recommendation of the American Heart Association.Herein,a handheld capnography device that can be used in clinical settings and the home environment is reported.The proposed device was developed by using an infrared CO_(2)sensor,Arduino Mega2560,and a high-resolution display(2.8").Furthermore,two rechargeable batteries(7.6 V,0.99 A)and a secure digital card with a capacity of 16 GB were incorporated to increase the portability and usability of the device.Algorithms were implemented to measure standard features,namely,inspired CO_(2)(ICO_(2)),end-tidal CO_(2)(EtCO_(2)),and re-spiratory rate(RR).The features of 15 healthy subjects were recorded by using the developed prototype and the standard capnography device(Capnostream^(TM)20 Model CS08798).Validation was performed with Bland-Altman plots.Findings revealed that mean differences±standard deviations for the set limits of ICO_(2),EtCO_(2)and RR were 0.29±1.30 millimeters of mercury(mmHg),0.15±1.77 mmHg and 0.40±0.97 breaths per minute(bpm),respectively.Most of the differences among device measurements across all features fell within the 95%limits of agreement.Thus,the developed device may help manage respiratory distress conditions in and outside of a hospital setting.展开更多
文摘为解决生产线可编程逻辑系统(PLC)接线数量多、维修复杂等问题,设计基于Arduino的无线PLC控制系统。系统核心部件为控制智能模块、分线智能模块,分别采用Arduino Mega 2560控制板与Arduino UNO控制板,利用该智能系统在PLC和生产线终端之间进行数据无线传输。测试结果表明:设计系统无线数据传输准确、可靠,可有效实现控制逻辑,且有效减小控制柜与分段接线盒间接线端子数量,有效降低系统安装、维护难度,提高系统可扩展性。
基金This study was conducted as apart of the prototype research grant scheme,supported by Ministry of Higher Education,Government of Malaysia,under Grant no.Vot e no.R.J 130000.7851.4L919.
文摘The design of a handheld capnography device is in great demand because of its effective and practical uses in all cardiac arrest resuscitations,according to the recommendation of the American Heart Association.Herein,a handheld capnography device that can be used in clinical settings and the home environment is reported.The proposed device was developed by using an infrared CO_(2)sensor,Arduino Mega2560,and a high-resolution display(2.8").Furthermore,two rechargeable batteries(7.6 V,0.99 A)and a secure digital card with a capacity of 16 GB were incorporated to increase the portability and usability of the device.Algorithms were implemented to measure standard features,namely,inspired CO_(2)(ICO_(2)),end-tidal CO_(2)(EtCO_(2)),and re-spiratory rate(RR).The features of 15 healthy subjects were recorded by using the developed prototype and the standard capnography device(Capnostream^(TM)20 Model CS08798).Validation was performed with Bland-Altman plots.Findings revealed that mean differences±standard deviations for the set limits of ICO_(2),EtCO_(2)and RR were 0.29±1.30 millimeters of mercury(mmHg),0.15±1.77 mmHg and 0.40±0.97 breaths per minute(bpm),respectively.Most of the differences among device measurements across all features fell within the 95%limits of agreement.Thus,the developed device may help manage respiratory distress conditions in and outside of a hospital setting.
