针对国内外现有的设计速度限速和运行速度限速法所存在的问题，提出了基于安全行车速度的限速理论。
Considering the problems of the existing speed limits at home and abroad which are base on design speed and running speed, speed limit theory base on safe speed is proposed in this paper.
然后分析了自动考核系统的自动控制算法，重点阐述了基于限速控制的自动运行算法和实现方案。
Then the paper analysed the algorithm of automatic assessment subsystem, focusing on the control of variable speed limits based on the variable-step algorithm and implementations.
机器可在同一限速上运行，不存在倒瓶，漏标的现象。
The machine can operate at the same limited velocity and there is no bottle overturning or label missing.
机器可在同一限速上运行，不存在倒瓶，漏标的现象。
The machine can operate at the same limited velocity and there is no bottle overturning or label missing.
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