货物装载尺寸是否超限，货车车门的开闭状态直接影响到货物列车的运行安全。为此铁科院铁建所研制了货车装载安全状态监测系统。
The cargo loading state, such as if the cargo outline intrude the circumscriptions or if the vehicle door is open, has large effects on the running safety of cargo train.
计算结果表明，重车运行过程中速度不宜过高，并要合理匹配悬挂参数，避免凹底架下平面超限界和过早疲劳破坏。
The results show that the rigid-flexible coupling model is more reasonable. The running speed of the loaded car should not be too high, and suspension parameters should be properly matched.
选择柴油机缸套—活塞副运行工况中的磨损状态和磨损超限状态进行了研究。
The wear state condition of diesel cylinder-piston pair was studied, and the monitoring of cylinder-piston pair under the extreme condition was discussed.
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