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光學(xué)增量編碼器 
速度測(cè)量系統(tǒng)要么設(shè)計(jì)用于對(duì)距離和速度脈沖具體的轉(zhuǎn)換率計(jì)算或近似的設(shè)計(jì)，脈沖校準(zhǔn)距離和當(dāng)時(shí)的速度計(jì)算。正如已經(jīng)指出的那樣，旋轉(zhuǎn)速度（RPM）是很容易測(cè)量采用的設(shè)計(jì)固定的比例。
一個(gè)簡(jiǎn)單的光學(xué)傳感器包括一個(gè)帶有小孔的金屬輪，它除了從中心孔對(duì)旋轉(zhuǎn)物體的速度進(jìn)行測(cè)量軸上。光源（LED）和一個(gè)光傳感器（光電晶體管）是用于與他們之間的輪子，這樣就從LED發(fā)出的光落在光電晶體管時(shí)，才在車(chē)輪之間洞來(lái)。 在這種情況下，一個(gè)電脈沖所產(chǎn)生的一個(gè)輪子的革命光電晶體管。 你再算上一就像是第二還是一分鐘的時(shí)間單位內(nèi)獲得第二次或每分鐘旋轉(zhuǎn)旋轉(zhuǎn)的脈沖計(jì)數(shù)器中。 這一更加復(fù)雜的變化將是其中的資訊科技孔金屬輪不在同一軸上，但加上一個(gè)空轉(zhuǎn)輥或thorugh齒輪火車(chē)。 在這種情況下，由一個(gè)主輪旋轉(zhuǎn)產(chǎn)生的脈沖數(shù)將會(huì)有所不同，該公式發(fā)生相應(yīng)的變化。 其他并發(fā)癥，可以發(fā)生在現(xiàn)實(shí)生活，就是原來(lái)的車(chē)輪是需要反復(fù)改變方向。有感知方向的光學(xué)方法以及。
來(lái)到線(xiàn)性速度骨的回答是好的。為了增加它，在實(shí)際情況下，您可能需要添加一些手段標(biāo)定它不是由設(shè)計(jì)怎樣的比例，將*預(yù)測(cè)的。 它取決于主輪的內(nèi)徑和外徑以及怠速輥（如果傳感器車(chē)輪的軸）或傳感器車(chē)輪的軸的直徑比。的方法來(lái)校準(zhǔn)和校準(zhǔn)工具的zui低通過(guò)注冊(cè)的說(shuō)了1米或10米的距離旅行準(zhǔn)確測(cè)量所產(chǎn)生的脈沖的比.