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   Articles with "excavator" as a keyword



Gamification of control valves in real-time multibody simulation of an excavator

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recommendations! Published in 2024 at "Multibody System Dynamics"

DOI: 10.1007/s11044-024-10041-1

Abstract: Multibody simulation of heavy machinery such as excavators, wheel loaders, and tractors is highly influenced by parameters of hydraulic components such as the control valves. The objective of this study is to introduce gamification to… read more here.

Keywords: multibody simulation; simulation; gamification; control valves ... See more keywords

Automatic Identification of Excavator Activities Using Joystick Signals

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recommendations! Published in 2019 at "International Journal of Precision Engineering and Manufacturing"

DOI: 10.1007/s12541-019-00219-5

Abstract: Monitoring and analyzing the operations of construction equipment is critical in the construction engineering and management domain. The ability to detect and classify major activities that construction equipment performs can support a project manager in… read more here.

Keywords: automatic identification; joystick signals; construction equipment; identification ... See more keywords

Aggregated Hierarchical Sliding Mode Control for Vibration Suppression of an Excavator on an Elastic Foundation

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recommendations! Published in 2020 at "International Journal of Precision Engineering and Manufacturing"

DOI: 10.1007/s12541-020-00422-9

Abstract: Crawler excavators are important, utilitarian machines in construction industries. Special features of the chain and chassis allow them to operate and move on unstable ground. The shock motions of the links, which coincide with the… read more here.

Keywords: sliding mode; hierarchical sliding; control; foundation ... See more keywords

Inertial Parameter Estimation of an Excavator with Adaptive Updating Rule Using Performance Analysis of Kalman Filter

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recommendations! Published in 2018 at "International Journal of Control, Automation and Systems"

DOI: 10.1007/s12555-017-0087-1

Abstract: This paper presents a rotational inertia estimation algorithm for excavators based on recursive least-squares with forgetting and an adaptive updating rule that uses the performance analysis of the Kalman filter. Generally, excavators execute a swing… read more here.

Keywords: estimation; estimation algorithm; performance; rotational inertia ... See more keywords

Remote control of excavator using head tracking and flexible monitoring method

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recommendations! Published in 2017 at "Automation in Construction"

DOI: 10.1016/j.autcon.2017.06.015

Abstract: Abstract A contemporary technique used to control tele-operated excavators based on naked-eye feedback exhibited inferior performance compared to those using camera-based visual feedback due to the effect of operator position. To improve the quality of… read more here.

Keywords: excavator; control; head tracking; flexible monitoring ... See more keywords

Kinematic modeling and constraint analysis for robotic excavator operations in piling construction

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recommendations! Published in 2021 at "Automation in Construction"

DOI: 10.1016/j.autcon.2021.103666

Abstract: Abstract Heavy-duty machines have been utilised for pile construction in Hong Kong for many years. These machines have reduced the one-time practise of dangerous excavation by hand. Unfortunately, it is not practical to construct large… read more here.

Keywords: construction kinematic; excavator; construction; constraint ... See more keywords

Excavator arms: Numerical, experimental and new concept design

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recommendations! Published in 2019 at "Composite Structures"

DOI: 10.1016/j.compstruct.2019.02.096

Abstract: Abstract The aim of this work is to design the arms of a specific excavator adopting unconventional materials and comparing the machine performance due to components lightweight. A real excavator is numerically studied under specific… read more here.

Keywords: experimental new; excavator arms; numerical experimental; arms numerical ... See more keywords

Energy management and economic analysis for a fuel cell supercapacitor excavator

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recommendations! Published in 2019 at "Energy"

DOI: 10.1016/j.energy.2019.02.016

Abstract: Abstract Fuel cell hybrid excavators (FCHEs) are an attractive long-term future option. This paper presents an approach for the energy management and economic analysis for an excavator powered by fuel cell and supercapacitor. The operating… read more here.

Keywords: fuel cell; energy management; excavator; energy ... See more keywords

Robotic excavator trajectory control using an improved GA based PID controller

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recommendations! Published in 2018 at "Mechanical Systems and Signal Processing"

DOI: 10.1016/j.ymssp.2017.12.014

Abstract: Abstract In order to achieve excellent trajectory tracking performances, an improved genetic algorithm (IGA) is presented to search for the optimal proportional-integral-derivative (PID) controller parameters for the robotic excavator. Firstly, the mathematical model of kinematic… read more here.

Keywords: trajectory; based pid; control; controller ... See more keywords
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Root cause analysis and evaluation of corrective actions for discharge boom suspension failure in bucket wheel excavator

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recommendations! Published in 2025 at "Scientific Reports"

DOI: 10.1038/s41598-025-13312-9

Abstract: The article analyzes the failure of a bucket wheel excavator’s discharge boom suspension. The failure caused significant operational disruption and financial losses. The study includes metallographic tests and FEM analysis of the damaged axle, revealing… read more here.

Keywords: boom; failure bucket; wheel excavator; bucket wheel ... See more keywords

Vision-Based Excavator Detection and Tracking Using Hybrid Kinematic Shapes and Key Nodes

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recommendations! Published in 2017 at "Journal of Computing in Civil Engineering"

DOI: 10.1061/(asce)cp.1943-5487.0000602

Abstract: AbstractEnhancing workplace safety continues to be a major task in the construction industry. Approximately 75% of struck-by fatalities are caused by inappropriate spatial-temporal relationships between construction workers and heavy equipment. Construction safety can be improved… read more here.

Keywords: detection; vision based; hybrid kinematic; key nodes ... See more keywords