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内嵌SM2算法的内河船机排放数据加密通信装置设计 被引量:1
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作者 黎洪亮 金华标 +1 位作者 庞启君 赵钊 《农业装备与车辆工程》 2023年第10期28-31,37,共5页
为了预防传统内河船机排放在线监测系统数据传输过程因缺乏安全防护机制导致船岸交互数据被篡改从而影响船舶排放监管的问题,运用SM2国密算法和4G通信技术,设计了排放数据加密通信装置,主要进行了装置加密芯片模块与无线通信模块的硬件... 为了预防传统内河船机排放在线监测系统数据传输过程因缺乏安全防护机制导致船岸交互数据被篡改从而影响船舶排放监管的问题,运用SM2国密算法和4G通信技术,设计了排放数据加密通信装置,主要进行了装置加密芯片模块与无线通信模块的硬件电路及通信策略设计。装置采用加密芯片对排放数据进行SM2算法加密,并与岸基数据监测平台(后续称岸基平台)链接通信,在通过装置与岸基平台之间的双向身份认证后进行数据加密传输。经过数据通信测试,验证了内河船机排放远程监测数据加密通信的可行性。 展开更多
关键词 内河船机排放 加密通信装置 SM2国密算法
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内河船机在线监测系统数据缓存与恢复方法 被引量:1
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作者 徐小凯 金华标 《中国修船》 2021年第4期40-43,共4页
内河船机在线监测系统通过无线网络实时向后台传输船舶运行数据,当内河船舶驶入信号较差或无信号的航区时,采集的数据无法正常发送至岸基,会导致数据的不连续。文章介绍了一种基于利用外置SD卡进行数据缓存与恢复的处理方法。按照该方法... 内河船机在线监测系统通过无线网络实时向后台传输船舶运行数据,当内河船舶驶入信号较差或无信号的航区时,采集的数据无法正常发送至岸基,会导致数据的不连续。文章介绍了一种基于利用外置SD卡进行数据缓存与恢复的处理方法。按照该方法,信号较弱无法满足传输要求时,携带时间轴标记的数据将储存至SD卡中,同时周期性地查询网络强度,等到判断网络信号恢复后,历史数据将按时间顺序重新恢复发出。 展开更多
关键词 内河船机 在线监测系统 数据缓存 SD卡
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内河挂桨机船改造研究 被引量:2
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作者 唐伟明 沈室涵 《交通环保》 2003年第z1期79-81,共3页
文章通过对目前京杭运河的主要运输工具挂桨机船的研究 ,结合实船试验 ,提出了科学的改造方案 ,符合交通部目前正在开展的京杭运河标准化船型研究工作 ,具有很强的推广性和现实意义。
关键词 内河挂桨 改装 试验 经济性分析
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A Study on Conversion of Marine Diesel Engines Using Blended Palm Oil for Inland Waterway Vessels in Vietnam 被引量:1
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作者 Dang Van Uy 《Journal of Shipping and Ocean Engineering》 2015年第1期9-19,共11页
The climate change and limitation of natural resources becomes main obstacle for the global economical development. So, the Vietnamese Government is very much concerned with reduction of harmful gas discharging from t... The climate change and limitation of natural resources becomes main obstacle for the global economical development. So, the Vietnamese Government is very much concerned with reduction of harmful gas discharging from the inland-water way ships. To overcome the problems, there are many counter-measures proposed such as: renovation of machinery and equipment, using re-creative energy and so on. The author's idea is to find a suitable method which can be applied on board of the inland-water ships to reduce discharging toxic gas by using blended palm oil as alternative fuel for marine diesel engines. Due to some disadvantages of the bended palm oil in comparison with traditional DO (diesel oil), such as: low freezing point, high viscosity, low stability of blended fue, therefore somehow, the blended palm oil must be made a ship directly on board. With this idea, the author has designed and made agitate mixing equipment working on-line with fuel supply system of a diesel engine. The mixing equipment, then, has been tested at shore-side laboratory as well as on board ships. The research results showed that the fuel mixture (palm oil-DO) made by this mixing equipment is fully usable to replace traditional DO for marine diesel engines installed on board ships of inland water way in Vietnam. The Vietnamese Government accepted the research results as prerequisite to devise specific and practical action plans to reduce the pollution from the inland water way ships in coming years. 展开更多
关键词 Blended palm oil pure palm oil Vietnam inland waterway vessels VMU renovation.
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