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基于DQN和K-means聚類(lèi)算法的天然氣站場(chǎng)儀表智能識別研究
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國家管網(wǎng)集團川氣東送天然氣管道有限公司 武漢

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Research on Intelligent Recognition of Natural Gas Station Meters Based on K-means Clustering Algorithm
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    摘要:

    天然氣站場(chǎng)中的儀表是工人和設備交互的窗口,可以反映工廠(chǎng)的運行狀況。但是站場(chǎng)很多老式儀表不能遠程讀取示數,采用人工方法讀取則浪費人力,需要對其進(jìn)行智能化的讀數研究。針對上述問(wèn)題,采用了一種基于四足機器人作為載體運動(dòng)控制,并通過(guò)深度強化學(xué)習(DQN)進(jìn)行目標追蹤任務(wù)和圖像處理來(lái)讀取儀表示數的新方法。首先通過(guò)改進(jìn)的 DQN 算法的深度網(wǎng)絡(luò )模型,根據仿真的環(huán)境中機器人學(xué)習效果,設計并調整動(dòng)作獎勵函數,設計機器人頂層決策控制系統。實(shí)現一維與二維狀態(tài)參數輸入下的儀表目標追蹤任務(wù)。其次在儀表定位和儀表配準的基礎上,通過(guò)K-means聚類(lèi)二值化處理得到刻度分明的表盤(pán);將圖像進(jìn)行內切圓處理,再在圖像中間添加一根指針進(jìn)行旋轉,旋轉過(guò)程中精確計算指針與表盤(pán)重合度最高的角度來(lái)得到對應刻度。經(jīng)過(guò)實(shí)驗表明,此算法可實(shí)現運動(dòng)過(guò)程中儀表目標的精準追蹤和降低計算時(shí)間,并大大提高了儀表追蹤與識別的精度和效率,為天然氣站場(chǎng)的儀表安全監控提供了有效保障。

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    The meters in the natural gas station are the windows for the interaction between workers and equipment, which can reflect the operation status of the plant. However, many old-fashioned instruments in the station yard cannot read the readings remotely, and manual reading is a waste of manpower, and it is necessary to carry out intelligent reading research on them. Aiming at the above problems, a new method based on quadruped robot as carrier motion control, and target tracking task and image processing through deep reinforcement learning (DQN) to read the instrument representation number is adopted. Firstly, through the deep network model of the improved DQN algorithm, according to the robot learning effect in the simulated environment, the action reward function is designed and adjusted, and the top-level decision control system of the robot is designed. The instrument target tracking task under the input of one-dimensional and two-dimensional state parameters is realized. Secondly, on the basis of meter positioning and meter registration, K-means clustering binarization is used to obtain a dial with clear scale; the image is inscribed circle, and then a pointer is added in the middle of the image to rotate, during the rotation process Accurately calculate the angle with the highest coincidence between the pointer and the dial to obtain the corresponding scale. Experiments show that this algorithm can achieve accurate tracking of instrument targets and reduce calculation time during the movement process, and greatly improve the accuracy and efficiency of instrument tracking and identification, providing an effective guarantee for instrument safety monitoring in natural gas stations.

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黃知坤,文煒,劉明,張香怡,劉凱書(shū),黃騰,顧繼俊.基于DQN和K-means聚類(lèi)算法的天然氣站場(chǎng)儀表智能識別研究計算機測量與控制[J].,2023,31(5):300-308.

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  • 收稿日期:2022-09-07
  • 最后修改日期:2022-10-06
  • 錄用日期:2022-10-08
  • 在線(xiàn)發(fā)布日期: 2023-05-19
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