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A method for selecting monitoring points for testing mechanical characteristics of transmission towers

A technology of mechanical properties and transmission towers, applied in the field of transmission tower monitoring, can solve problems such as affecting monitoring results, and achieve the effect of organic integration, reduction in quantity, and improvement in accuracy

Pending Publication Date: 2019-01-04
ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY +2
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  • Application Information

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Problems solved by technology

With regard to the research and application of the theoretical problems of sensor optimization layout, the sensor layout optimization theory based on random vibration is widely used at present. Modal test results play a decisive role and seriously affect monitoring results

Method used

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  • A method for selecting monitoring points for testing mechanical characteristics of transmission towers
  • A method for selecting monitoring points for testing mechanical characteristics of transmission towers
  • A method for selecting monitoring points for testing mechanical characteristics of transmission towers

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Embodiment Construction

[0041] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings. The following disclosure provides specific embodiments for realizing the devices and methods of the present invention, so that those skilled in the art can more clearly understand how to realize the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals or letters in different examples. This repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the present invention. It should...

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Abstract

The invention provides a method for selecting monitoring points for testing mechanical characteristics of a transmission tower. The method comprises the following steps: S1, according to a transmission tower structure design drawing, establishing a three-dimensional finite element model of the transmission tower; 2, calculating static parameters and generate static monitoring points based on thatthree-dimensional finite element model of the transmission tow; 3, calculating dynamic parameters and generate a dynamic monitoring point based on that three-dimensional finite element model of the transmission tower; S4, the optimal solution being obtained based on the genetic algorithm, and the suitable vibration monitoring points and strain monitoring points are selected from the static monitoring points and the dynamic monitoring points. The invention is based on the analysis of the stress points of the transmission tower and the mechanical analysis of the stress points, screens out a certain number of monitoring points, and realizes the proper selection of the number and the position of the monitoring points on the premise of ensuring the accuracy of the monitoring results.

Description

technical field [0001] The invention belongs to the field of monitoring of transmission towers, and in particular relates to a method for selecting monitoring points for testing the mechanical properties of transmission towers. Background technique [0002] The basic function of tower structure monitoring is realized by the sensor system. Theoretically speaking, the more sensors are used for structure monitoring, the more accurate the description of structure characteristics will be. However, the number of sensors is always limited. Reasonable arrangement of sensors is the prerequisite to ensure the quality of structural monitoring, especially for complex structures such as long-span transmission towers, the quality of sensor arrangement is particularly important. In the noise-containing real-time environmental monitoring signal, the limited number of sensors deployed is used to obtain as much monitoring information as possible, and the measured value is sensitive to the str...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/50G06N3/12G06Q50/06
CPCG06N3/126G06Q50/06G06F2119/06G06F30/23
Inventor 菅明健张忠文杜宝帅邓化凌杨波张广成张都清张用张华恺袁堂青
Owner ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER COMPANY
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