Wenhao Liu Letian Fu Chen Li Wanlei Li Yunjiang Lou Safe and Efficient Navigation for Differential-Drive Robots in Dynamic Pedestrian Environments. 16870-16876 2025 IROS https://doi.org/10.1109/IROS60139.2025.11246088 conf/iros/2025 db/conf/iros/iros2025.html#LiuFLLL25 streams/conf/iros