Modified A-star algorithm for modular plant land transportation

作     者：Kang, Nam Kyu Son, Ho Joon Lee, Soo-Hong 

作者机构：Yonsei Univ Dept Mech Engn Seoul 03722 South Korea 

出 版 物：《JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY》 (韩国机械工程师学会国际杂志)

年 卷 期：2018年第32卷第12期

页      面：5563-5571页

核心收录：

学科分类：08[工学] 0802[工学-机械工程] 

基　　金：Technology Innovation Program Ministry of Trade, Industry & Energy (MOTIE, KOREA) 

主　　题：A-star algorithm Multi-body dynamics simulation Plant land transportation Optimized path finding 

摘      要：Many common path optimization algorithms are available. However, problems arise when a general route optimization algorithm is applied to land transportation of large cargo, such as a modular plant. The large and heavy structure of a modular plant can lead to a loss of time depending on the curve of the road. This problem is more critical when traveling through large turns, which may also cause mechanical problems. Therefore, curves are essential parameters for modular plant land transportation. In this research, we show the importance of angles in the path via multi-body dynamic simulations and finite element analysis. Based on these results, we constructed a pathfinding algorithm that considers the importance of angles. The traditional A-star algorithm considers only distance as a cost, whereas our modified A-star algorithm considers both distance and angle as costs. Our goal is to improve traditional A-star algorithms and optimize them for modular plant land transportation.