Non-contact target coordinate measuring method
A measurement method and target coordinate technology, which is applied in the field of non-contact target coordinate measurement, can solve problems such as precise coordinate measurement of difficult targets to be measured, and achieve the effect of precise coordinate measurement
Inactive Publication Date: 2017-05-10
贵州振华天通设备有限公司
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[0003] The purpose of the present invention is to provide a method for measuring the coordinates of a non-contact target to solve the problem that it is difficult to accurately measure the coordinates of the target to be measured by the existing measurement method when the target cannot be touched
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[0017] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.
[0018] Embodiments of the invention: with reference to figure 1 , this embodiment provides a method for measuring the coordinates of a non-contact target:
[0019] Conditions: precision theodolite, reference ruler, and several targets to be measured. The zenith of the pitch angle is zero, and the horizontal angle is clockwise.
[0020] Known: the length of the two sides of the standard ruler (three points whose intervals are precisely known and strictly located on a straight line), the horizontal angle and elevation angle of each point in the two positioning of the theodolite. That is, 2 lengths and 12 angles are known.
[0021] Positioning and orientation: take the first location where the theodolite is installed as the first measurement point...
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The invention discloses a non-contact target coordinate measuring method. According to the method, a point a and a point b are selected in a position near a space point d to be tested; a reference ruler is put between the two points; three reference points of the reference ruler are measured by a theodolite at the point a and the point b to totally obtain 12 angles in horizontal and vertical directions; the distance from the measuring point ab to the reference ruler and the included angle of the measuring point ab and the reference ruler are calculated by using the known distance between the reference points of the reference ruler, so that the height difference and the horizontal distance between the points a and b can be calculated; the pitch angle and the horizontal angle to the same point d in the space are measured at the two points a and b; then, the coordinate of the space point d relative to the measuring point a can be obtained by using the triangle relationship; the feature points of the same target in the space is measured to obtain the target size and the angle parameter. Therefore the problem that under the condition that the target to be tested cannot be in contact, the existing measuring method cannot be used for precisely measuring the triangle of the targeted object is solved. The method provided by the invention belongs to the field of space measurement.
Description
technical field [0001] The invention relates to a method for measuring non-contact target coordinates, belonging to the technical field of space positioning. Background technique [0002] At present, the positioning measurement of three-dimensional space objects generally needs to touch the target or the point to be measured, but in some special cases, the target to be measured cannot be touched, or it is very inconvenient to touch the target to be measured. In this case, the existing The measurement method is difficult to accurately measure the coordinates of the target to be measured. Contents of the invention [0003] The object of the present invention is to provide a non-contact method for measuring the coordinates of a target to solve the problem that it is difficult to accurately measure the coordinates of the target to be measured by existing measurement methods when the target cannot be touched. [0004] In order to solve the above problems, it is proposed to ado...
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IPC IPC(8): G01C3/24G01C1/00
CPCG01C1/00G01C3/24
Inventor 赵广辉
Owner 贵州振华天通设备有限公司