In order to solve the heavy workload and the low efficiency of the train maneuver, one kind of train security alarm system based on GPS and INS technique was presented.

为了弥补目前火车车辆运行中人工统计调度工作量大、效率低等缺陷，提出了一种基于全球定位系统和惯性导航技术（GPS/INS）的火车安全告警系统的设计方案；

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This System had important meanings to check the feasibility and security of the train running under the train diagram and test the rationality of the scheme and the construction of new lines.

本系统对于检测列车在运行图下运行的可行性和安全性、测试方案的合理性以及新线建设具有重要意义。

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The system can improve security operation of the passenger train.

本系统对于保证铁路客车的安全运行具有较高的实用价值。

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His nearly 100 patented creations include a dictionary, a train-switching system and, most recently, a service that turns an ordinary pager into a personal security device.

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