For the realization of the crosswind struck under the common marine emergency control, to avoid due to the consequences of crew judgment or man-made interference caused by damage to the hull or capsize is proposed based on single-chip STC15W4K32S4, comparative analysis of wind direction detecting system measured wind data, automatic control of ship navigation measures against crosswind emergency management system for. The hardware and software design of the system are described in detail. And through the system simulation and experiment proved: the system can be realized under strong crosswind ship automatic emergency control, effectively prevent capsize accident occurred, ensure the safety of the ship and crew.%为实现侧风来袭下的普通船舶的应急控制，避免由于船员判断或者人为因素干扰导致的船体受损甚至翻船的后果，本文提出了基于STC15W4K32S4单片机，比较分析风力风向检测系统所测侧风数据，自动控制船舶航行措施的防侧风应急系统方案；详细阐述了系统的硬件与软件设计；并通过系统仿真和实验证明，该系统可实现强侧风下船舶自动应急控制，有效防止翻船事故发生，保障了船舶与船员的安全。
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