Automatic Identification of Excavator Activities Using Joystick Signals
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Vision-Based Excavator Detection and Tracking Using Hybrid Kinematic Shapes and Key Nodes
Sign Up to like & getrecommendations! 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
Research on Optimal Control of Excavator Negative Control System Based on Secondary Controllable Main Valve
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3141446
Abstract: In order to optimize the energy efficiency and action coordination of negative control excavators, a secondary control circuit of main valve is proposed, which sets an electric proportional pressure reducing valve between joystick-pilot valve and… read more here.
Keywords: system; main valve; control; flow ... See more keywords
Excavator Posture Estimation and Position Tracking System Based on Kinematics and Sensor Network to Control Mist-Spraying Robot
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Access"
DOI: 10.1109/access.2022.3212732
Abstract: In the construction field, when an excavator dismantles a building using an attachment, a large amount of fine dust is generated, causing air pollution. In this study, a mist-spraying robot was proposed, aiming to effectively… read more here.
Keywords: mist spraying; kinematics; spraying robot; excavator ... See more keywords