Optical measurement systems use optical principles to measure parameters such as size, shape, and surface roughness of objects. This technology has wide applications in modern industrial production, scientific research and other fields.
Optical measurement systems usually include components such as light sources, objects, optical lenses, industrial cameras, and image processing units. After the light generated by the light source irradiates the surface of the object, it is received by the industrial camera and converted into electrical signals, and then processed and analyzed by the image processing unit, and finally the size, shape and other data of the object are obtained.
A high-quality optical measurement system must have five major measurement characteristics, including accuracy, reliability, repeatability, sensitivity and resolution.
1. Accuracy: Accuracy is one of the most basic and important characteristics of a measurement system. It refers to the closeness between the measurement results and the true value of the physical quantity being measured. A highly accurate measurement system can provide accurate data to help users better understand the object being measured.
2. Reliability: Reliability refers to the ability of a measurement system to produce consistent results under the same conditions. A reliable measurement system should be able to work stably and provide similar measurement results at different times and environments. Reliability is a key characteristic of a measurement system in long-term use, which reflects the stability and credibility of the system.
3. Repeatability: Repeatability is an important characteristic of a measurement system. It refers to the ability of a measurement system to produce similar results in multiple measurements under the same conditions. Repeatability reflects the stability and consistency of the measurement system and is very important for scientific research and engineering applications.
4. Sensitivity: Sensitivity refers to the measurement system’s ability to perceive changes in the physical quantity being measured. A highly sensitive measurement system is able to detect small changes and provide corresponding measurement results. Sensitivity is related to the resolution ability and noise suppression capability of the measurement system, and has an important impact on the effectiveness and application range of the measurement system.
5. Resolution: Resolution refers to the smallest scale that the measurement system can distinguish and display. It reflects the ability of the measurement system to detect subtle changes in the physical quantity being measured.
In summary, the five measurement characteristics of the measurement system are very important for a high-quality measurement system. These characteristics are interrelated and influence each other, and together determine the performance and reliability of the measurement system. Only when these characteristics are met, can we obtain accurate, reliable, stable and high-precision measurement results, thereby providing reliable data support for industrial visual inspection.
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Mifumo ya kipimo cha macho hutumia kanuni za macho kupima vigezo kama vile ukubwa, umbo, na ukali wa uso wa vitu. Teknolojia hii ina matumizi pana katika uzalishaji wa kisasa wa viwanda, utafiti wa kisayansi na nyanja nyingine. Optical vipimo mifumo kwa kawaida ni pamoja na vipengele kama vile vyanzo vya mwanga, vitu, lenses optical, kamera za viwanda, na vitengo vya usindikaji wa picha. Baada ya mwanga wa chanzo cha mwanga kuangazia uso wa kitu, ni kupokea na kamera ya viwanda na kubadilishwa katika ishara za umeme, na kisha kusindika na kuchambuliwa na kitengo cha usindikaji wa picha, na hatimaye ukubwa, umbo na data nyingine ya kitu hupatikana. Utaratibu wa kipimo cha ubora wa juu lazima uwe na sifa tano kuu za kipimo, pamoja na usahihi, kuegemea, kurudia, unyeti na azimio. 1. Uwe na mtazamo wa kweli Uhalisi: Uhalisi ni moja ya sifa ya msingi na muhimu ya mfumo wa kipimo. Inarejelea ukaribu kati ya matokeo ya kipimo na thamani halisi ya wingi wa kimwili kupimwa. Mfumo wa kipimo sahihi sana unaweza kutoa data sahihi kusaidia watumiaji kuelewa vizuri kitu kinacho kipimwa. 2. Uwezekano wa kupata Uaminifu: Uaminifu inahusu uwezo wa mfumo wa kipimo wa kuzalisha matokeo thabiti chini ya hali sawa. Mfumo wa kupima wa kuaminika unapaswa kuwa na uwezo wa kufanya kazi kwa utulivu na kutoa matokeo sawa ya kupima wakati tofauti na mazingira. Uaminifu ni sifa muhimu ya mfumo wa kipimo katika matumizi ya muda mrefu, ambayo inaonyesha utulivu na uaminifu wa mfumo. 3. Uwe na mtazamo wa kweli Repeatability: Repeatability ni sifa muhimu ya mfumo wa kipimo. Inahusu uwezo wa mfumo wa kipimo wa kuzalisha matokeo sawa katika vipimo vingi chini ya hali sawa. Repeatability inaonyesha utulivu na uthabiti wa mfumo wa kipimo na ni muhimu sana kwa ajili ya utafiti wa kisayansi na maombi ya uhandisi. 4. Uwe na uhakika Uwezo: Uwezo inahusu uwezo wa mfumo wa kipimo wa kutambua mabadiliko katika wingi wa kimwili kupimwa. Mfumo wa kipimo nyeti sana ni uwezo wa kugundua mabadiliko madogo na kutoa matokeo ya kipimo zinazolingana. Hisia ni kuhusiana na uwezo wa azimio na uwezo wa kuzuia kelele ya mfumo wa kipimo, na ina athari muhimu juu ya ufanisi na wigo wa matumizi ya mfumo wa kipimo. 5. Uwe na mtazamo mzuri. Uamuzi: Uamuzi inahusu kiwango kidogo kwamba mfumo wa kipimo inaweza kutofautisha na kuonyesha. Inaonyesha uwezo wa mfumo wa kipimo wa kugundua mabadiliko madogo katika wingi wa kimwili unaopimwa. Kwa muhtasari, vipimo tano sifa ya mfumo wa kipimo ni muhimu sana kwa ajili ya mfumo wa kipimo wa ubora wa juu. Sifa hizi ni interrelated na ushawishi kila mmoja, na pamoja kuamua utendaji na kuegemea ya mfumo wa kipimo. Ni wakati tu sifa hizi zinakidhiwa, tunaweza kupata matokeo sahihi, ya kuaminika, thabiti na ya usahihi wa juu wa kipimo, na hivyo kutoa msaada wa data ya kuaminika kwa ukaguzi wa kuona wa viwanda. Unaweza pia kupendezwa na habari ifuatayo