@conference {17829,
	title = {A New Global Path Planning Strategy for Mobile Robots Using Hierarchical Topology Map and Safety-Aware Navigation Speed},
	booktitle = {IEEE/ASME International Conference on Advanced Intelligent Mechatronics},
	year = {2019},
	publisher = {IEEE},
	organization = {IEEE},
	author = {Jeong Woo Han and Soo Jeon and Hyock Ju Kwon}
}
