Position coding-based displacement detection system and detection method
The invention relates to a position coding-based displacement detection system and detection method. The position coding-based displacement detection system comprises a workbench, an optical imaging system, a planar array CCD sensor, an image acquisition card, a PC and a power module, wherein a posi...
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| creator | WANG ZHIHONG ZHANG KAIFEI GENG YINGYI ZHANG KUIXIANG |
| description | The invention relates to a position coding-based displacement detection system and detection method. The position coding-based displacement detection system comprises a workbench, an optical imaging system, a planar array CCD sensor, an image acquisition card, a PC and a power module, wherein a position coding scale is fixed on the workbench. Two coded images of a start position and a stop position of the position coding scale on the workbench in the movement direction are collected by using the planar array CCD sensor; and image processing, such as correction, filtering and edge extraction, and decoding and positioning calculation are carried out on the coded images to obtain displacement of the workbench. Non-contact displacement measurement is carried out through the imaging system andthe CCD sensor, so that the position coding-based displacement detection system is simple in structure, easy to miniaturize, simple in coding, high in anti-jamming capability and easy to process and install; and different cod |
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The position coding-based displacement detection system comprises a workbench, an optical imaging system, a planar array CCD sensor, an image acquisition card, a PC and a power module, wherein a position coding scale is fixed on the workbench. Two coded images of a start position and a stop position of the position coding scale on the workbench in the movement direction are collected by using the planar array CCD sensor; and image processing, such as correction, filtering and edge extraction, and decoding and positioning calculation are carried out on the coded images to obtain displacement of the workbench. 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| subjects | ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION TARIFF METERING APPARATUS TESTING |
| title | Position coding-based displacement detection system and detection method |
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