Intelligent prediction for digging load of hydraulic excavators based on RBF neural network

D Huo, J Chen, H Zhang, Y Shi, T Wang - Measurement, 2023 - Elsevier
Traditional modeling methods for digging load of excavators are often computationally
expensive and require prior knowledge of soil parameters, which severely limits their …

Free-shape contour control for excavators based on cross-coupling and double error pre-compensation

Q Wang, Y Shen, J Wang, F Su, C Feng, X Li - Automation in Construction, 2024 - Elsevier
In construction automation, excavators frequently undertake intricate contouring tasks,
including precise leveling and surface shaping. However, the absence of a dynamic model …

Adaptive Impedance Control Method for Dynamic Contact Force Tracking of Robotic Excavators

H Feng, Q Song, C Yin, D Cao - Journal of Construction …, 2022 - ascelibrary.org
Robotic excavators commonly are used in industrial and construction tasks to improve
efficiency and shorten construction periods, but they have high energy consumption and …

[PDF][PDF] 基于模型控制的液压机械臂高精度轨迹跟踪

丁孺琦, 王振, 程敏, 徐兵, 刘子辰 - 机械工程学报, 2023 - qikan.cmes.org
液压机械臂具有高度非线动力学特性, 末端轨迹跟踪误差大. 为此, 提出一种辨识动力学参数的
基于模型的控制算法(Model-based control, MBC). 该控制算法由外环的液压缸位置反馈控制器 …

Reinforcement learning-based bucket-filling for autonomous excavation

P Egli, L Terenzi, M Hutter - IEEE Transactions on Field …, 2024 - ieeexplore.ieee.org
This article presents a bucket-filling controller for autonomous excavation. The key
innovation of this controller is that it can react to the encountered soil conditions and adapt …

Trajectory control strategy and system modeling of load-sensitive hydraulic excavator

H Song, G Li, Z Li, X Xiong - Machines, 2022 - mdpi.com
Accurate control of excavator trajectory is the foundation for the intelligent and unmanned
development of excavators. The excavator operation process requires multiple actuators to …

[HTML][HTML] Open InfraBIM for remote and autonomous excavation

M Hiltunen, R Heikkilä, I Niskanen… - Automation in Construction, 2023 - Elsevier
Open building information modeling for infrastructure and cloud services featuring the
InfraBIM have already been identified as a feasible solution to manage worksite information …

Comprehensive Performance Evaluation of an Unmanned Excavator Based on Signal Stability Extraction

B Zhang, M Ye, G Lian, Y Li, B Xia - Machines, 2024 - mdpi.com
The comprehensive performance of unmanned excavators is crucial for the development
and optimization of the field of construction machinery. To effectively improve the unmanned …

New Design of an Electrical Excavator and Its Path Generation for Energy Saving and Obstacle Avoidance

O Ahmadi Khiyavi, J Seo, X Lin - Vehicles, 2024 - mdpi.com
This study's goals are divided into two categories. The first is to design and build an
excavator equipped with parallel electrical linear actuators. The second is to generate and …

[PDF][PDF] Model-based Control of the Hydraulic Manipulator for the High-precision Trajectory Tracking

丁孺琦, 王振, 程敏, 徐兵, 刘子辰 - Journal of Mechanical …, 2023 - qikan.cmes.org
The hydraulic manipulator has high non-linear dynamic characteristics, causing large errors
of end-effector trajectory tracking. A model-based control algorithm (Model-based control …