Non-contact finger deformation measuring device and measuring method
A non-contact, measuring device technology, applied to measuring devices, using optical devices, instruments, etc., can solve the problems of complex processing process, unable to measure the dynamic change process of finger deformation, and achieve the effect of simple structure and simple and rapid measurement process.
Inactive Publication Date: 2013-03-13
NANJING UNIV OF SCI & TECH
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Problems solved by technology
When using the image processing method to calculate the finger deformation, the processing process is complicated, and only the contour of the finger deformation can be measured statically, and the dynamic change process of the finger deformation cannot be measured.
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[0013] combine figure 1 and figure 2 , the non-contact finger deformation measuring device of the present invention includes a horizontal moving platform part, a height adjustment part and a pressure control part, and the described horizontal moving platform part includes an X-direction horizontal moving platform, a Y-direction horizontal moving platform, a sensor bracket 8 and a laser displacement Sensor 9, the Y-direction horizontal movement platform is located on the X-direction horizontal movement platform, and is perpendicular to the X-direction horizontal movement platform, and the X-direction horizontal movement platform includes an X-direction stepping motor 4, an X-direction movement platform 5, and an X-direction stepping motor Motor 4 connects X to mobile platform 5 by shaft coupling, and Y to horizontal mobile platform comprises Y to stepper motor 6, Y to mobile platform 7, and Y to stepper motor 6 to Y to mobile platform 7 by shaft coupling connection, so The se...
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The invention discloses a non-contact finger deformation measuring device and a non-contact finger deformation measuring method. The device comprises a horizontal movable platform part, a height adjustment part and a pressure control part, wherein the horizontal movable platform part comprises X and Y direction stepping motors, X and Y direction movable platforms, a sensor bracket and a laser displacement sensor; the height adjustment part comprises a base, a ruler, a sliding block, a locking nut, a transparent organic glass plate and a screw; and the pressure control part comprises a pressure meter, a two-position electromagnetic valve and a proportional pressure valve. By the non-contact measuring method, the dynamic change process of finger deformation and the profile of the finger deformation are measured, and the distance between a finger and a nozzle and pressure in the nozzle can be conveniently adjusted to change the deformation of the finger.
Description
technical field [0001] The invention relates to a finger deformation measuring device, in particular to a non-contact finger deformation measuring device and a measuring method. Background technique [0002] When a person touches an object to obtain tactile information, the skin of the finger will be deformed by force. After the finger skin is deformed by force, it will affect the mechanosensory neuron cells inside the finger, resulting in tactile perception, that is to say, the tactile information obtained when touching an object is related to the force and deformation of the finger skin. The force experienced by a finger when touching an object is generally a distributed pressure, and since the measurement methods and accuracy of the distributed pressure are currently limited, when studying tactile reproduction, the deformation of the skin surface of the finger is used to study the relationship between tactile perception and tactile stimulation. relationship and the fidel...
Claims
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IPC IPC(8): G01B11/16G01B11/24
Inventor 孙中圣李小宁滕燕
Owner NANJING UNIV OF SCI & TECH