描述

EPC－755A光電編碼用具備精良的利用性能，在角度丈量、位移丈量時抗滋擾本領(lǐng)很強，并具有穩(wěn)固可靠的輸出脈沖信號，且該脈沖信號經(jīng)計數(shù)后可得到被丈量的數(shù)字信號。因此，我們在研制汽車駕駛模仿器時，他方向回旋轉(zhuǎn)角度的丈量選用EPC－755A光電編碼器作為傳感器，其輸出電路選用集電極開路型，輸出辨別率選用360個脈沖/圈，思考到汽車方向盤轉(zhuǎn)動是雙向的，既可順時針旋轉(zhuǎn)，也可逆時針旋轉(zhuǎn)，必要對編碼器的輸出信號鑒相后才華計數(shù)。圖2給出了光電編碼器實際利用的鑒相與雙向計數(shù)電路，鑒相電路用1個D觸發(fā)器和2個與非門構(gòu)成，計數(shù)電路用3片74LS193構(gòu)成。

主營：本特利，英維思，伍德沃德，?？怂共_、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂，ACSO，

力士樂等各大品牌的DCS系統(tǒng)配件，機器人系統(tǒng)配件，大型伺服系統(tǒng)備件。

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SMC LXSH2BD-50S Linear Actuators with Driver and cable

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Panasonic DV47L04MSGF,P326M-040MSGF MOTOR DRIVER

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APPLIED MATERIALS 0020-32909 ESC.PED.200MM NOTCH

Bio-Rad AS-100 HRLC Automatic Sampler

2 ERICSSON FILTER COMBINER KRF 20101/01,935-960MHZ

Optoncdt ILD 1300-100 Laser displacement CMOS-Sensors

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BitFlow road runner 44,RUN-PCI-44

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PHOTODYNE 1800 Fiber Optic Attenuator 0 to 89db&Dark

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Orthodyne electronics BD ASSY 171562