RU2001135117A - METHOD FOR MEASURING DIFFUSINGLY REFLECTING SURFACE - Google Patents

METHOD FOR MEASURING DIFFUSINGLY REFLECTING SURFACE

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Publication number
RU2001135117A
RU2001135117A RU2001135117/28A RU2001135117A RU2001135117A RU 2001135117 A RU2001135117 A RU 2001135117A RU 2001135117/28 A RU2001135117/28 A RU 2001135117/28A RU 2001135117 A RU2001135117 A RU 2001135117A RU 2001135117 A RU2001135117 A RU 2001135117A
Authority
RU
Russia
Prior art keywords
photodetector
light
light beam
light spot
matrix
Prior art date
Application number
RU2001135117/28A
Other languages
Russian (ru)
Inventor
Владимир Викторович Митрофанов
Original Assignee
Институт машиноведени Уральского отделени РАН
Институт машиноведения Уральского отделения РАН
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Институт машиноведени Уральского отделени РАН, Институт машиноведения Уральского отделения РАН filed Critical Институт машиноведени Уральского отделени РАН
Priority to RU2001135117/28A priority Critical patent/RU2001135117A/en
Publication of RU2001135117A publication Critical patent/RU2001135117A/en

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Claims (1)

Способ измерения расстояния до диффузно отражающей поверхности, включающий облучение контролируемой поверхности узким пучком света с образованием на ней светового пятна, фокусировку отраженного под некоторым углом к падающему пучку света светового потока на матричный фотоприемник, преобразование координаты энергетического центра светового пятна на оси чувствительности фотоприемника в электрический сигнал, по которому судят о расстоянии до контролируемой поверхности, отличающийся тем, что контролируемую поверхность облучают модулированным пучком света, сфокусированный световой поток рассеивают вдоль оси чувствительности фотоприемника в соответствии с нормальным (Гаусса) распределением энергии, при этом размер светового пятна формируют из условияA method of measuring the distance to a diffusely reflecting surface, including irradiating the controlled surface with a narrow light beam with the formation of a light spot on it, focusing the light flux reflected at an angle to the incident light beam onto the matrix photodetector, converting the coordinate of the energy center of the light spot on the photodetector sensitivity axis into an electrical signal according to which the distance to the controlled surface is judged, characterized in that the controlled surface is irradiated with fashion th e light beam, a focused luminous flux scatter along the axis of sensitivity of the photodetector in accordance with a normal (Gaussian) distribution of power, the size of the light spot formed from the condition Вп=6σ>4D,Bn = 6σ> 4D, где Вп - размер рассеянного по фотоприемнику светового пятна;where VP is the size of the light spot scattered by the photodetector; σ - стандартное отклонение координаты отдельных фотонов в распределении световой энергий;σ is the standard deviation of the coordinates of individual photons in the distribution of light energies; D - интервал расположения элементов в матрице фотоприемника,D is the spacing of the elements in the matrix of the photodetector, а электрический сигнал на выходе каждого элемента матрицы подвергают фильтрации на частоте модуляции облучающего пучка света.and the electrical signal at the output of each matrix element is filtered at the modulation frequency of the irradiating light beam.
RU2001135117/28A 2001-12-20 2001-12-20 METHOD FOR MEASURING DIFFUSINGLY REFLECTING SURFACE RU2001135117A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2001135117/28A RU2001135117A (en) 2001-12-20 2001-12-20 METHOD FOR MEASURING DIFFUSINGLY REFLECTING SURFACE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2001135117/28A RU2001135117A (en) 2001-12-20 2001-12-20 METHOD FOR MEASURING DIFFUSINGLY REFLECTING SURFACE

Publications (1)

Publication Number Publication Date
RU2001135117A true RU2001135117A (en) 2004-03-20

Family

ID=36294158

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2001135117/28A RU2001135117A (en) 2001-12-20 2001-12-20 METHOD FOR MEASURING DIFFUSINGLY REFLECTING SURFACE

Country Status (1)

Country Link
RU (1) RU2001135117A (en)

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