ကိုထြန္းသူ

"ငယ္ဆရာေၿပာတဲ႔၊ Proximity Sensor" (တေန႔တုန္းဆီက၊ ငယ္ဆရာတဦး၊ သေဘ္ာၿပန္တက္စဥ္၊ ဆရာ႔ထံ၊ phone ေခါါကာ၊ ဇနီးနဲ႔ အတူ၊ စကားေတြ၊ ေၿပာၿဖစ္သလို၊  ဆရာလည္း 'ေပၽာ္' ၊ တပည္႔ေတြလည္း 'ေပၽာ္' ခဲ႔ရပါတယ္။ ဒီ post ေလးကေတာ႔၊ စာသင္ေကာင္းတဲ႔၊ ငယ္ဆရာ၊  တခၽိန္တုန္းက၊ ပို႔ခၽေပးခဲ႔တာေလးေတြကို၊ စုစည္းၿပီး၊  ေကၽးဇူးတင္စြာၿဖင္႔၊ ၿပန္တင္လိုက္တဲ႔၊  အမွတ္တရ၊ post ေလး ၿဖစ္ပါတယ္။) Reference, thanks and credit to : Technical Guide - OMRON Industrial Automation, Australia,  Remark : All publications and images herein this page are for use of educational purpose only. The owner of this page is not responsible for the consequences in case of violation to copyright, trademark, patent or other intellectual property rights of any third party. "proximity" ဆိုတဲ႔ ေဝါဟာရဟာ၊ အနီးစပ္ဆံုး  approximately ရယ္လို႔၊ အဓိပၸါယ္ရတဲ႔၊ ေဝါဟာရမွ၊ ဆင္းသက္လာၿပီး၊ 'မထိတထိ၊ အနီးကပ္ဆံုး' အေနအထားရယ္လို႔၊ သတ္မွတ္နိဳင္ေႀကာင္း၊ ငယ္ဆရာတဦးမွ၊ ေၿပာဖူးပါတယ္။ proximity sensor ဆိုတာကေတာ႔၊ objec...

"ႀကားဖူးနားဝ၊ သေဘ္ာက  SCADA" Reference, thanks and credit to : (1) "Introduction to Industrial Control Networks". IEEE Communications Surveys and Tutorials. 2012., (i3) Boyes, Walt (2011). Instrumentation ReferenceBook, 4th Edition. USA: Butterworth-Heinemann., Remark : All publications and images herein this page are for use of educational purpose only. The owner of this page is not responsible for the consequences in case of violation to copyright, trademark, patent or other intellectual property rights of any third party. "SCADA" ဆိုတာကေတာ႔ "Supervisory Control And Data Acquisition" ဆိုတဲ႔၊ remote monitoring and control system ၿဖစ္ၿပီး၊ coded signals အသံုးၿပဳထားတဲ႔၊ communication channels ေတြ၊ ပါဝင္ပါတယ္။ coded signals ဆိုတာကေတာ႔၊ pulse modulation အမၽိဳးအစား၊ တခုၿဖစ္တဲ႔၊ digital modulation ကို၊ pulse code modulation အၿဖစ္၊  ေၿပာင္းလဲထားတဲ႔၊ signal ၿဖစ္ပါတယ္။ အီလက္ထေရာနစ္ ပညာရပ္ဟာ၊ modulation signals ေတြ၊ ဖန္တည္းၿပီး၊ လိုအပ္သလ...

"DTC လို႔ေခါါတဲ႔၊ direct torque control" ( "သေဘ္ာ က VFD ဆိုတဲ႔ Variable frequency drive" အေႀကာင္း၊ post တင္တဲ႔အခါ၊ DTC လို႔ေခါါတဲ႔၊ direct torque control ကို၊ သေဘ္ာေတြမွာ၊ အသံုးၿပဳတာ၊ မေတြ႔ရေသးတဲ႔ အတြက္၊ ထည္႔သြင္းေဖာ္ၿပၿခင္း၊ မၿပဳေတာ႔ပဲ၊ ခၽန္ထားခဲ႔ပါတယ္။ ဒါေပမယ္႔၊ drives ေတြ၊ အေႀကာင္းေၿပာတဲ႔အခါ၊ DTC  ပါမွ၊  ၿပည္႔စံုမွာ၊ ၿဖစ္သမို႔၊ (၂၀၁၄) January တုန္းက၊ ေရးခဲ႔ဖူးတဲ႔၊ post ကို၊ ဆက္လက္၊ ေဖာ္ၿပလိုက္ပါတယ္။) Reference, thanks and image credit to : (1) Bartos, Frank J. (Sep. 1, 2004). "AC Drives Stay Vital for the 21st Century". Control Engineering (Reed Business Information)., (2) Cleaveland, Peter (Nov. 1, 2007). "AC Adjustable Speed Drives". Control Engineering (Reed Business Information)., (3) "Power Electronics and Motor Drives" : Advances and Trends. Amsterdam: Academic. ISBN 978-0-12-088405-6., Bartos, Frank J. (Sep. 1, 2004). (4) "AC Drives Stay Vital for the 21st Century". Control Engineering (Reed Business Info...

"သေဘ္ာ က VFD ဆိုတဲ႔ Variable frequency drive (၃)" Reference, thanks and image credit to : (1) Bartos, Frank J. (Sep. 1, 2004). "AC Drives Stay Vital for the 21st Century". Control Engineering (Reed Business Information)., (2) Cleaveland, Peter (Nov. 1, 2007). "AC Adjustable Speed Drives". Control Engineering (Reed Business Information)., (3) "Power Electronics and Motor Drives" : Advances and Trends. Amsterdam: Academic. ISBN 978-0-12-088405-6., Bartos, Frank J. (Sep. 1, 2004). (4) "AC Drives Stay Vital for the 21st Century". Control Engineering (Reed Business Information)., Eisenbrown, Robert E. (May 18, 2008). (5) "AC Drives, Historical and Future Perspective of Innovation and Growth". Keynote Presentation for the 25th Anniversary of The Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC). University of Wisconsin, Madison, WI, USA. Remark : All references and images herein this page are for use o...

"သေဘ္ာ က VFD ဆိုတဲ႔ Variable frequency drive (၂)" Reference, thanks and image credit to : (1) Bartos, Frank J. (Sep. 1, 2004). "AC Drives Stay Vital for the 21st Century". Control Engineering (Reed Business Information)., (2) Cleaveland, Peter (Nov. 1, 2007). "AC Adjustable Speed Drives". Control Engineering (Reed Business Information)., (3) "Power Electronics and Motor Drives" : Advances and Trends. Amsterdam: Academic. ISBN 978-0-12-088405-6., Bartos, Frank J. (Sep. 1, 2004). (4) "AC Drives Stay Vital for the 21st Century". Control Engineering (Reed Business Information)., Eisenbrown, Robert E. (May 18, 2008). (5) "AC Drives, Historical and Future Perspective of Innovation and Growth". Keynote Presentation for the 25th Anniversary of The Wisconsin Electric Machines and Power Electronics Consortium (WEMPEC). University of Wisconsin, Madison, WI, USA. Remark : All references and images herein this page are...