"J.Jirapat,M. Yamakita","Improved Soil Shape on the Dump Truck for Soil Loading Operation of Excavator","AIM2019","Proc. of AIM2019",,,,,2019,July "J.Jirapat,K.Oji,M. Yamakita","Iterative Learning Control for Soil Loading Operation of Excavator","ASCC2019","Proc. of ASCC2019",,,,,2019,June