"Power Supply Technology of Sensor Nodes"@en . . . "Wireless sensor networks are currently a very important technology already used in many areas. It turns out that the weak link in these systems is the supply of electricity with the requirements of the nature of wireless networks. On the market there are several wireless platforms with low power consumption . Almost all of these platforms are designed for battery operation , but where batteries have a limited life span and it is not always possible to replace them . To improve efficiency of wireless sensor networks require batteries used in addition to alternative energy sources . By using suitable types can in many cases significantly extend the operation of systems , theoretically infinitely long , really much compared to the battery life."@en . "21230" . . . . . "Power Supply Technology of Sensor Nodes"@en . "sensors; nodes; wireless; power supply; microbateries; supercapacitor; MEMS; generators"@en . . "1"^^ . "RIV/68407700:21230/13:00213280" . "Technologie nap\u00E1jen\u00ED senzorov\u00FDch uzl\u016F"@cs . "Technologie nap\u00E1jen\u00ED senzorov\u00FDch uzl\u016F" . "1"^^ . . . "P(VG20102015015), S" . "Technologie nap\u00E1jen\u00ED senzorov\u00FDch uzl\u016F"@cs . . . . "Bezdr\u00E1tov\u00E9 senzorov\u00E9 s\u00EDt\u011B jsou v sou\u010Dasn\u00E9 dob\u011B ji\u017E velmi v\u00FDznamnou technologi\u00ED vyu\u017E\u00EDvanou v mnoha odv\u011Btv\u00FDch. Ukazuje se, \u017Ee slab\u00FDm \u010Dl\u00E1nkem t\u011Bchto syst\u00E9m\u016F je nap\u00E1jen\u00ED elektrickou energi\u00ED s po\u017Eadavky kladen\u00FDmi na charakter bezdr\u00E1tov\u00FDch s\u00EDt\u00ED. Na trhu existuje ji\u017E n\u011Bkolik bezdr\u00E1tov\u00FDch platforem s velmi n\u00EDzkou spot\u0159ebou. T\u00E9m\u011B\u0159 v\u0161echny z t\u011Bchto platforem jsou navr\u017Eeny pro bateriov\u00FD provoz, kde v\u0161ak baterie maj\u00ED omezenou \u017Eivotnost a ne v\u017Edy je mo\u017En\u00E9 je vym\u011B\u0148ovat. Pro zefektivn\u011Bn\u00ED \u010Dinnosti bezdr\u00E1tov\u00FDch senzorov\u00FDch s\u00EDt\u00ED je nutn\u00E9 vedle bateri\u00ED pou\u017E\u00EDvat alternativn\u00ED energetick\u00E9 zdroje. P\u0159i pou\u017Eit\u00ED vhodn\u00FDch typ\u016F lze v mnoha p\u0159\u00EDpadech v\u00FDrazn\u011B prodlou\u017Eit \u010Dinnost syst\u00E9m\u016F, teoreticky n\u011Bkone\u010Dn\u011B dlouho, re\u00E1ln\u011B mnohon\u00E1sobn\u011B v porovn\u00E1n\u00ED s \u017Eivotnost\u00ED bateri\u00ED. N\u011Bkter\u00E9 typy zdroj\u016F jsou schopn\u00E9 dod\u00E1vat energii \u0159\u00E1dov\u011B o velikosti 100 \u00B5W.cm-3. V praxi se ukazuje, \u017Ee nesta\u010D\u00ED vyu\u017E\u00EDvat pouze jeden princip, ale je nutn\u00E9 vyu\u017E\u00EDvat a kombinovat r\u016Fzn\u00E9 principy podle druhu dosa\u017Eitlen\u00E9 fyzik\u00E1ln\u00ED nebo chemick\u00E9 energie. Jednou z mo\u017En\u00FDch cest je vyu\u017Eit\u00ED obnoviteln\u00FDch zdroj\u016F energie vyskytuj\u00EDc\u00EDch se v dosa\u017Eiteln\u00E9 vzd\u00E1lenosti od senzorov\u00FDch uzl\u016F. Fyzik\u00E1ln\u00ED nebo chemick\u00FD typ prim\u00E1rn\u00ED energie v bl\u00EDzkosti senzorov\u00E9ho uzlu je p\u0159em\u011Bn\u011Bn na energii elektrickou, ta je ulo\u017Eena v z\u00E1sobn\u00EDku a n\u00E1sledn\u011B vyu\u017E\u00EDv\u00E1na k nap\u00E1jen\u00ED obvod\u016F senzorov\u00E9 s\u00EDt\u011B. V tab. 1 jsou uvedeny vybran\u00E9 p\u0159\u00EDklady prim\u00E1rn\u00EDch energetick\u00FDch zdroj\u016F s hustotou energie, kterou zdroje schopn\u00E9 poskytnout. Lze \u0159\u00EDci, \u017Ee prozat\u00EDm v sou\u010Dasn\u00E9 dob\u011B se nejv\u00EDce vyu\u017E\u00EDv\u00E1 p\u0159em\u011Bna sol\u00E1rn\u00ED energie na elektrickou pomoc\u00ED tzv. fotovoltaick\u00FDch \u010Dl\u00E1nk\u016F, dosti velk\u00E9 nad\u011Bje se vkl\u00E1daj\u00ED do v\u00FDzkumu konverze mechanick\u00E9 energie v podob\u011B vibrac\u00ED na energii elektrickou."@cs . . "Hus\u00E1k, Miroslav" . . . "Technologie nap\u00E1jen\u00ED senzorov\u00FDch uzl\u016F" . . . . "Bezdr\u00E1tov\u00E9 senzorov\u00E9 s\u00EDt\u011B jsou v sou\u010Dasn\u00E9 dob\u011B ji\u017E velmi v\u00FDznamnou technologi\u00ED vyu\u017E\u00EDvanou v mnoha odv\u011Btv\u00FDch. Ukazuje se, \u017Ee slab\u00FDm \u010Dl\u00E1nkem t\u011Bchto syst\u00E9m\u016F je nap\u00E1jen\u00ED elektrickou energi\u00ED s po\u017Eadavky kladen\u00FDmi na charakter bezdr\u00E1tov\u00FDch s\u00EDt\u00ED. Na trhu existuje ji\u017E n\u011Bkolik bezdr\u00E1tov\u00FDch platforem s velmi n\u00EDzkou spot\u0159ebou. T\u00E9m\u011B\u0159 v\u0161echny z t\u011Bchto platforem jsou navr\u017Eeny pro bateriov\u00FD provoz, kde v\u0161ak baterie maj\u00ED omezenou \u017Eivotnost a ne v\u017Edy je mo\u017En\u00E9 je vym\u011B\u0148ovat. Pro zefektivn\u011Bn\u00ED \u010Dinnosti bezdr\u00E1tov\u00FDch senzorov\u00FDch s\u00EDt\u00ED je nutn\u00E9 vedle bateri\u00ED pou\u017E\u00EDvat alternativn\u00ED energetick\u00E9 zdroje. P\u0159i pou\u017Eit\u00ED vhodn\u00FDch typ\u016F lze v mnoha p\u0159\u00EDpadech v\u00FDrazn\u011B prodlou\u017Eit \u010Dinnost syst\u00E9m\u016F, teoreticky n\u011Bkone\u010Dn\u011B dlouho, re\u00E1ln\u011B mnohon\u00E1sobn\u011B v porovn\u00E1n\u00ED s \u017Eivotnost\u00ED bateri\u00ED. N\u011Bkter\u00E9 typy zdroj\u016F jsou schopn\u00E9 dod\u00E1vat energii \u0159\u00E1dov\u011B o velikosti 100 \u00B5W.cm-3. V praxi se ukazuje, \u017Ee nesta\u010D\u00ED vyu\u017E\u00EDvat pouze jeden princip, ale je nutn\u00E9 vyu\u017E\u00EDvat a kombinovat r\u016Fzn\u00E9 principy podle druhu dosa\u017Eitlen\u00E9 fyzik\u00E1ln\u00ED nebo chemick\u00E9 energie. Jednou z mo\u017En\u00FDch cest je vyu\u017Eit\u00ED obnoviteln\u00FDch zdroj\u016F energie vyskytuj\u00EDc\u00EDch se v dosa\u017Eiteln\u00E9 vzd\u00E1lenosti od senzorov\u00FDch uzl\u016F. Fyzik\u00E1ln\u00ED nebo chemick\u00FD typ prim\u00E1rn\u00ED energie v bl\u00EDzkosti senzorov\u00E9ho uzlu je p\u0159em\u011Bn\u011Bn na energii elektrickou, ta je ulo\u017Eena v z\u00E1sobn\u00EDku a n\u00E1sledn\u011B vyu\u017E\u00EDv\u00E1na k nap\u00E1jen\u00ED obvod\u016F senzorov\u00E9 s\u00EDt\u011B. V tab. 1 jsou uvedeny vybran\u00E9 p\u0159\u00EDklady prim\u00E1rn\u00EDch energetick\u00FDch zdroj\u016F s hustotou energie, kterou zdroje schopn\u00E9 poskytnout. Lze \u0159\u00EDci, \u017Ee prozat\u00EDm v sou\u010Dasn\u00E9 dob\u011B se nejv\u00EDce vyu\u017E\u00EDv\u00E1 p\u0159em\u011Bna sol\u00E1rn\u00ED energie na elektrickou pomoc\u00ED tzv. fotovoltaick\u00FDch \u010Dl\u00E1nk\u016F, dosti velk\u00E9 nad\u011Bje se vkl\u00E1daj\u00ED do v\u00FDzkumu konverze mechanick\u00E9 energie v podob\u011B vibrac\u00ED na energii elektrickou." . . "110063" . "[E2C57C51C932]" . . . . "RIV/68407700:21230/13:00213280!RIV14-MSM-21230___" .