Research And Implementation Of Computer Aided Interlocking Software Development Tools

As the scale of city become larger and larger, railway system plays a more and more important role in urban transportation system. The computer-based Interlocking system(CIS) is used in the railway signal field to straitly control the switches,signals and track circuit of station, to realize the interlocking relation of the three former, and to ensure the traveling safety and improve the transportation efficiency, The security and reliability of the CIS is vital. The traditional development of interlocking system is all by human beings. This may cause many unobvious bugs and cost much time. So, from a programmer's vision, I want to make these tasks more roboticized with the help of computer. The main contents and contributions of this thesis are as follows:1. Interlocking table generation. Based on the research of the rules to compose the interlocking table and simple path search of graph, we design an algorithm to generate the interlocking table from signal arrangement. In the process of interlocking control software development, signal arrangement is the basis of all the following tasks. Based on the research of railway signal arrangement, we design a data structure to abstractly present the railway signal arrangement, and make the search of route much more efficient.2. Compare the Microlok-II source code by program. Design and implement a Microlok-II parser, and present the compare result visually.3. Design and implement the Microlok-II virtual machine. Based on the research of Microlok-II hardware specification, we design a virtual machine to simulate the Microlok-II computer, and can execute the Microlok-II program.