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It is very important for the railway signal control system to control train signal control system is equivalent to the human without the nervous system.If it is only of a shell then can not take into account traffic safety and efficiency. Taiwan Railway Administration (TRA) governs Taipei, Changhua, Kaohsiung and Hualian electrical service section currently. Signal interlock system all has not unified, the government transport sector to the next signal system upgrade, proceed to consider the planning to move a single signal interlocking system of direction, it has a positive meaning for the railway track transport efficiency. Currently in the TRA at the station traffic control system, the Relay Interlocking Equipment take accounts for about 70%, the remaining 30% of electronic interlocking system. In the literature review of this study, take Songshan station relay interlocking device as an example, expert interviews and a questionnaire survey to explore the northern section of the stage, signal interlock system, and compare the electronic interlocking relay interlocking with the operation of driving the difference, relay interlock system upgrade to enhance the number of recommendations to promote the future development of Taiwan railway. Through literature review, expert interviews and questionnaires explore the signal interlocking system of the northern section in present stage, compare the driving operation difference between electronic interlocking and relay interlocking system, propose signal interlocking system upgrade recommendations. Hopefully there is a little help to the future development of Taiwan Railway Keywords: Relay interlocking device , Signal control system, Electronic interlocking system.
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