Share cases of applying static positioning measurement principles in the engineering field

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Release: 2023-12-28 15:09:38
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Share cases of applying static positioning measurement principles in the engineering field

Application case sharing of static positioning measurement principles in the engineering field

Abstract:
In the engineering field, accurate positioning measurement is essential for project planning and design and construction are crucial. The static positioning measurement principle is a common measurement technology that can provide high-precision position information. This article will share an application case of static positioning measurement principles in the engineering field, and attach corresponding code examples.

  1. Introduction
    In the field of engineering, positioning measurement is an essential technology. It can be used to determine the spatial location of projects, achieve precise layout of buildings and equipment, and conduct topographic mapping. The principle of static positioning measurement is a commonly used measurement method. By using the Global Navigation Satellite System (GNSS) and ground measurement and control points, combined with mathematical models and algorithms, high-precision coordinate information of the target location can be obtained.
  2. Application Case Analysis
    In a large-scale bridge construction project, the coordinate accuracy of ground measurement and control points is very important for the construction of the bridge. In order to ensure the safe operation and design accuracy of the bridge, the engineering team decided to use the static positioning measurement principle to accurately position the bridge.

First, the engineering team selected three ground measurement and control points (A, B, and C) in the bridge construction area and measured these points using traditional measurement equipment (such as a total station). The engineering team then used GNSS receivers to conduct static observations of ground measurement and control points and obtained the initial coordinates of these points.

Next, the engineering team input these initial coordinates into the algorithm based on the static positioning measurement principle for processing, and obtained high-precision coordinate information for the bridge construction area. This coordinate information will be used to determine the location and orientation of the bridge's main structure and ensure the bridge's precise layout.

During the construction process, the engineering team will regularly observe the coordinates of ground measurement and control points and use static positioning measurement principles for precise positioning. In this way, they can detect small changes in the bridge position in time and adjust them to ensure the accuracy of bridge construction.

  1. Code Example
    The following is an example code of a simplified static positioning measurement principle written in Python to process initial coordinates and calculate high-precision coordinates.
import numpy as np

# 三个地面测控点的初始坐标
coords = np.array([[100, 200, 0],
                  [150, 250, 0],
                  [200, 300, 0]])

# 测量数据处理算法(这里使用简化的加权平均算法)
def process_coords(coords):
    weights = np.array([1, 1, 1])  # 权重
    avg_coord = np.average(coords, axis=0, weights=weights)  # 加权平均
    return avg_coord

# 计算高精度坐标
high_precision_coord = process_coords(coords)

# 输出结果
print("高精度坐标:", high_precision_coord)
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  1. Conclusion
    The static positioning measurement principle has a wide range of applications in the engineering field and can provide high-precision position information. This article takes a bridge construction project as an example to introduce the application case of the static positioning measurement principle and provides corresponding code examples. By using static positioning measurement principles for precise positioning, engineering teams can ensure accuracy in the design and construction of projects. I hope that the sharing of this article can provide readers with some reference and inspiration for the application of static positioning measurement principles in the engineering field.

References:
[1] Zheng Hua (2017). Principles of static positioning measurement and its application in engineering survey. Geographic Information World, (02), 80-82.
[2] Li Ming (2017). Research on the principle and application of static positioning measurement. Surveying and Mapping Science, 42(02), 219-223.

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