1. Dadhich, S., Bodin, U. and Andersson, U., Key challenges in automation of earth-moving machines, Automation in Construction, Vol.68 (2016), pp.212-222. DOI:10.1016/j.autcon.2016.05.009
2. Egli, P., Gaschen, D., Kerscher, S., Jud, D. and Hutter, M., Soil-Adaptive Excavation Using Reinforcement Learning, IEEE Robotics and Automation Letters, Vol.7, No.4 (2022), pp.9778-9785. DOI:10.1109/LRA.2022.3189834.
3. Hatake, S., Clarification of Excavation Mechanism I (Part 1) , Mechanization of Construction, Vol.135 (1961), pp.71-74. (in Japanese)
4. Ishi, T. and Okada, M., Real-time soil model for shape estimation and prediction considering bucket-soil interaction, 35th Annual conference of the Robotics Society of Japan, 2E1-02 (2017). (in Japanese)
5. Japan Federation of Construction Contractors, Current Status of the Construction Industry (4)Construction labor, Digital Construction Handbook(online), available from [https://www.nikkenren.com/publication/handbook/chart6-4/index.html#link01], (accessed on 29 March, 2023). (in Japanese)