. . "389090" . . "T\u0159e\u0161t\u00EDk, Jaroslav" . "P\u0159esn\u00FD zdroj pro nap\u00E1jen\u00ED High-Power LED osv\u011Btlova\u010De"@cs . "Accurate Power Supply for High-Power LED Illuminator"@en . "P\u0159esn\u00FD zdroj pro nap\u00E1jen\u00ED High-Power LED osv\u011Btlova\u010De"@cs . "RIV/68407700:21230/08:03144786!RIV09-MSM-21230___" . "The stable illuminating wis necessary for checking of the measure tasks in the scope of the task 5.6 'Optical measurement', a part of the MSM6840770015 project. The CMOS image sensors are used in the developed camera modules. The rolling shutter is used for the exposition control in the CMOS image sensors. The dimming control of light intensity is not suitable due to dark and bright band in the image. The back-loop driving of LED current must be implemented because of the high temperature dependency. The step-down CD is used for the lower power dissipation obtainment. The manual change via incremental driver or remote PC change via USB interface is possible."@en . "Accurate Power Supply for High-Power LED Illuminator"@en . "P\u0159esn\u00FD zdroj pro nap\u00E1jen\u00ED High-Power LED osv\u011Btlova\u010De" . . "21230" . "Fischer, Jan" . "[E481377B0C59]" . "LED, LUXEON, High-power LED, control, back-loop driving"@en . . . . "V r\u00E1mci \u0159e\u0161en\u00ED VZ MSM6840770015, d\u00EDl\u010D\u00EDho \u00FAkolu Optoelektronick\u00E1 m\u011B\u0159en\u00ED - Videometrick\u00E9 syst\u00E9my bylo nutn\u00E9 pro ov\u011B\u0159en\u00ED n\u011Bkter\u00FDch princip\u016F zajistit stabiln\u00ED zdroj homogenn\u00EDho sv\u011Btla. V m\u011B\u0159ic\u00EDch modulech jsou pou\u017Eity CMOS obrazov\u00E9 sn\u00EDma\u010De, kter\u00E9 pro nastaven\u00ED expozice pou\u017E\u00EDvaj\u00ED %22Rolling Shutter%22 elektronickou z\u00E1v\u011Brku. Intenzita LED sv\u011Btla se u b\u011B\u017En\u00FDch osv\u011Btlova\u010D\u016F moduluje pomoc\u00ED PWM, lidsk\u00E9 oko tento ru\u0161iv\u00ED efekt nepost\u0159ehne. P\u0159i pou\u017Eit\u00ED CMOS sn\u00EDma\u010De takov\u00E9to \u0159\u00EDzen\u00ED jasu LED nen\u00ED vhodn\u00E9, v obraze vznikaj\u00ED pruhy. Proto byla vyvinuta speci\u00E1ln\u00ED jednotka zdroje pro LED osv\u011Btlova\u010De. Vzhledem ke zna\u010Dn\u00E9 teplotn\u00ED z\u00E1vislosti v\u00FDkonov\u00FDch LED (LUXEON) je nutn\u00E9 zajistit zp\u011Btnovazebn\u00ED \u0159\u00EDzen\u00ED proudu LED. Ve zdroji je pou\u017Eit Step-down DC m\u011Bni\u010Di, \u010D\u00EDm\u017E jsou minimalizov\u00E1ny v\u00FDkonov\u00E9 ztr\u00E1ty na \u0159\u00EDd\u00EDc\u00EDm prvku. Manu\u00E1ln\u00ED nastaven\u00ED lze pohodln\u011B realizovat pomoc\u00ED inkrement\u00E1ln\u00EDho ovlada\u010De, nebo t\u00E9\u017E pomoc\u00ED PC p\u0159es USB rozhran\u00ED."@cs . "Lab. 316/1" . . . . "P\u0159esn\u00FD zdroj pro nap\u00E1jen\u00ED High-Power LED osv\u011Btlova\u010De" . "nespecifikov\u00E1no" . "2"^^ . . . . "V r\u00E1mci \u0159e\u0161en\u00ED VZ MSM6840770015, d\u00EDl\u010D\u00EDho \u00FAkolu Optoelektronick\u00E1 m\u011B\u0159en\u00ED - Videometrick\u00E9 syst\u00E9my bylo nutn\u00E9 pro ov\u011B\u0159en\u00ED n\u011Bkter\u00FDch princip\u016F zajistit stabiln\u00ED zdroj homogenn\u00EDho sv\u011Btla. V m\u011B\u0159ic\u00EDch modulech jsou pou\u017Eity CMOS obrazov\u00E9 sn\u00EDma\u010De, kter\u00E9 pro nastaven\u00ED expozice pou\u017E\u00EDvaj\u00ED %22Rolling Shutter%22 elektronickou z\u00E1v\u011Brku. Intenzita LED sv\u011Btla se u b\u011B\u017En\u00FDch osv\u011Btlova\u010D\u016F moduluje pomoc\u00ED PWM, lidsk\u00E9 oko tento ru\u0161iv\u00ED efekt nepost\u0159ehne. P\u0159i pou\u017Eit\u00ED CMOS sn\u00EDma\u010De takov\u00E9to \u0159\u00EDzen\u00ED jasu LED nen\u00ED vhodn\u00E9, v obraze vznikaj\u00ED pruhy. Proto byla vyvinuta speci\u00E1ln\u00ED jednotka zdroje pro LED osv\u011Btlova\u010De. Vzhledem ke zna\u010Dn\u00E9 teplotn\u00ED z\u00E1vislosti v\u00FDkonov\u00FDch LED (LUXEON) je nutn\u00E9 zajistit zp\u011Btnovazebn\u00ED \u0159\u00EDzen\u00ED proudu LED. Ve zdroji je pou\u017Eit Step-down DC m\u011Bni\u010Di, \u010D\u00EDm\u017E jsou minimalizov\u00E1ny v\u00FDkonov\u00E9 ztr\u00E1ty na \u0159\u00EDd\u00EDc\u00EDm prvku. Manu\u00E1ln\u00ED nastaven\u00ED lze pohodln\u011B realizovat pomoc\u00ED inkrement\u00E1ln\u00EDho ovlada\u010De, nebo t\u00E9\u017E pomoc\u00ED PC p\u0159es USB rozhran\u00ED." . "Maxim\u00E1ln\u00ED zvln\u011Bn\u00ED 10%, pracovn\u00ED frekvence 20kHz" . . . . . "K 13138" . . . . "RIV/68407700:21230/08:03144786" . . "2"^^ . "Z(MSM6840770015)" . .