Mathematics and Computer Science

Volume 7, Issue 6, November 2022

  • Mobile Robot Positioning System of Adaptive Unscented Kalman Filter with Forgetting Factor

    Wenliang Zhu, Junjie Huang, Yunpeng Zhou, Chengxiao Zhu

    Issue: Volume 7, Issue 6, November 2022
    Pages: 106-112
    Received: 6 November 2022
    Accepted: 21 November 2022
    Published: 30 November 2022
    DOI: 10.11648/j.mcs.20220706.11
    Abstract: For the problem of inaccurate positioning of mobile robots in complex industrial environments, a multi-sensor combination localization method for omnidirectional mobile robots is proposed that incorporates the unscented Kalman filter (UKF), Real-Time Kinematic (RTK), and Inertial Measurement Unit (IMU). Firstly, the position information of the mobi... Show More
  • An Alternative Method of Floyd-Warshall Algorithm Is Proposed for Solving Shortest Path Problems Using Triangular Procedure

    Md Zahidul Islam, Md Asadujjaman, Mahabub Rahman

    Issue: Volume 7, Issue 6, November 2022
    Pages: 113-117
    Received: 25 October 2022
    Accepted: 18 November 2022
    Published: 8 December 2022
    DOI: 10.11648/j.mcs.20220706.12
    Abstract: This paper presents a new approach for finding the shortest path compared with the Floyd-Warshall algorithm which is mostly used for determining the shortest path between every pair of nodes of network modeling problems. Finding the smallest route through a road network is one of the innumerable real-world applications of the shortest path problem.... Show More
  • AGV Positioning Based on Multi-sensor Data Fusion

    Wengliang Zhu, Yunpeng Zhou, Junjie Huang, Shukai Guo

    Issue: Volume 7, Issue 6, November 2022
    Pages: 118-123
    Received: 21 November 2022
    Accepted: 5 December 2022
    Published: 15 December 2022
    DOI: 10.11648/j.mcs.20220706.13
    Abstract: In recent years, with the rapid development of robot technology and explosive growth of robot demand, AGV robot has gradually infiltrated into many aspects of human production and life, and has become a global hot research direction. However, due to the changeable and compact working environment, AGV robot still has many technical problems to be so... Show More
  • Application Research of Graph Neural Networks in the Financial Risk Control

    Zhongbao Yu, Jiaqi Zhang, Xin Qi, Chao Chen

    Issue: Volume 7, Issue 6, November 2022
    Pages: 124-129
    Received: 8 April 2022
    Accepted: 26 December 2022
    Published: 28 December 2022
    DOI: 10.11648/j.mcs.20220706.14
    Abstract: Combining deep learning with graph data, the method applied to learning tasks on association relationships is collectively referred to as Graph neural network (GNN). This paper mainly studies the application of GNN in the financial risk control. With the enterprise customer network graph, this paper designs a credit rating model based on GNN, an im... Show More
  • Application of Dynamic Programming to Revenue Management: The Optimum Validity Model’s Test (S)

    Felix Obi Ohanuba, Everestus Okafor Ossai, Precious Ndidiamaka Ezra, Martin Nnaemeka Eze

    Issue: Volume 7, Issue 6, November 2022
    Pages: 130-143
    Received: 4 December 2022
    Accepted: 19 December 2022
    Published: 29 December 2022
    DOI: 10.11648/j.mcs.20220706.15
    Abstract: A suitable decision plan is followed by an effective financial management to achieve optimality while investing in a competing stock portfolio. This study altered a Dynamic Programming (DP) model of Bellman. The modified model was used to solve a business problem. The problems of choosing a stock portfolio for optimal return among investors in fina... Show More