Shape Optimization of an Excavator Bucket with the Help of …
WebTo develop such a controller for automated excavation, it is required to develop a dynamic model to describe the behavior of the control system during digging operation and motion of excavator with time. The presented work described a dynamic model needed for controller design and which is derived by applying Lagrange-Euler approach.
Get a quote
Task space-based dynamic trajectory planning for digging process …
WebDec 4, 2018 · In this paper, a task space-based methodology for dynamic trajectory planning for digging process of a hydraulic excavator is presented, with the integration of soil–bucket interaction. An extended soil–bucket interaction model, which adds the resistive moment compared to the previous models, is provided in this research.
Get a quote
Modeling and Control of Excavator Dynamics during Digging Operation
WebJan 1, 1996 · The development of such an automated control system is usually based on a dynamic model of the system that describes the motion with time. A dynamic model for an excavator that is needed for the controller design can be derived by applying Newton-Euler equations to each link in succession. The model obtained describes the motion of the …
Get a quote
Dynamic Analysis of an Excavator During Digging Operation
WebMay 20, 2013 · Dynamic Analysis Dynamic Analysis of an Excavator During Digging Operation Authors: Tatsuya Yoshida Takayuki Koizumi Nobutaka Tsujiuchi ZhongMou Jiang Abstract Researches for
Get a quote
Dynamic and Finite Element Analysis of an Excavator Arm during …
WebThe excavators are used in various operations like digging of earth, lifting and moving heavy loads. We are considering a particular operation of moving scrapped cars which will be pushed from one defined point to another in a straight line on the ground during stacking operation in the junkyard. The motion of the excavator arm in this process is planar with …
Get a quote
Comprehensive theoretical digging performance analysis for …
WebMay 29, 2019 · This paper proposes a method for analyzing comprehensive theoretical digging performance of an excavator based on the convex polytope. The convex polytope is generated by using Newton–Euler's equations to establish dynamic relationships between the digging capability of the bucket and the driving capability of hydraulic …
Get a quote
Digging performance characterization for hydraulic excavator
WebFeb 10, 2017 · These measures can be used to assess the mechanical capability of the working mechanism of a hydraulic excavator and to assess the operation styles used by different operators who have different level of experiences. Finally, the proposed methodology is illustrated using an application example of a 36-ton hydraulic excavator.
Get a quote
Dynamic Analysis and Model Predictive Control of Excavator's …
WebOct 7, 2017 · This work deals with analysis of dynamic behaviour of hydraulic excavator on the basis of developed dynamic-mathematical model. The mathematical model with maximum five degrees of freedom is extended by new generalized coordinate which represents rotation around transversal main central axis of inertia of undercarriage. The …
Get a quote
Integrity assessment and determination of residual fatigue life of
WebNov 1, 2019 · Most components and elements of vital structures of bucket-wheel excavators are subjected to complex dynamic loads, which depend on conditions of exploitation (resistance to digging and own oscillations) in the stationary and non-stationary operational regimes of bucket-wheel excavator drive systems during service [ 10, 11 ].
Get a quote
Digging performance characterization for hydraulic excavator
WebFeb 10, 2017 · These measures can be used to assess the mechanical capability of the working mechanism of a hydraulic excavator and to assess the operation styles used by different operators who have different level of experiences. Finally, the proposed methodology is illustrated using an application example of a 36-ton hydraulic excavator.
Get a quote
Research on Dynamic Characteristics of Implement Mechanism of …
WebThis paper works on the dynamic characteristics of implement mechanism of mining excavator. The dynamic model of the working implement is established based on the application of Lagrange's equation. Digging resistant force, crowd force and ore gravity were discussed in detail. A full working cycle is simulated by using Matlab/Simulink. The …
Get a quote
Dynamic Analysis of an Excavator During Digging Operation
WebDOI: 10.4271/Liming10 Corpus ID: 109915134; Dynamic Analysis of an Excavator During Digging Operation @article{Yoshida2013DynamicAO, title={Dynamic Analysis of an Excavator During Digging Operation}, author={Tatsuya Yoshida and Takayuki Koizumi and Nobutaka Tsujiuchi and ZhongMou Jiang and Yozo Nakamoto}, journal={SAE …
Get a quote
Dynamic model for excavators (and backhoes) - ScienceDirect
WebFeb 1, 2023 · Considering the problems of low soil fragmentation rates, high working resistance, and high energy consumption in the harvesting process of Cyperus esculentus in China, a method of Cyperus esculentus harvesting based on counter-rotation digging is proposed. The mechanism of interaction between the rotary tillage blade and Cyperus …
Get a quote
Dynamic Analysis of an Excavator During Digging Operation
WebDOI: 10.4271/Liming10 Corpus ID: 109915134; Dynamic Analysis of an Excavator During Digging Operation @article{Yoshida2013DynamicAO, title={Dynamic Analysis of an Excavator During Digging Operation}, author={Tatsuya Yoshida and Takayuki Koizumi and Nobutaka Tsujiuchi and ZhongMou Jiang and Yozo Nakamoto}, journal={SAE …
Get a quote
Dynamic Analysis of Working Device of Excavator under Limit Digging Force
WebJun 26, 2021 · Abstract. In order to more accurately analyze the dynamic characteristics of the working device of the hydraulic excavator. The load changes on the two digging trajectories were calculated and
Get a quote
A numerical and experimental analysis of the dynamic …
WebFeb 1, 2022 · Based on Lagrange equation, the dynamics model of excavator is established, and a trajectory tracking control method is proposed for this model. The tracking effect of model predictive control method on preset trajectory under different working conditions is studied by computer simulation technology. The research results show that …
Get a quote
Dynamics of Mini Hydraulic Backhoe Excavator: A Lagrange …
WebExcavators are high power machines used in the mining, agricultural and construction industry whose principal functions are digging (material removing), ground leveling and material transport operations. During the digging task there are certain unknown forces exerted by the bucket on the soil and the digging operation is repetitive in nature.
Get a quote
Dynamic model for excavators (and backhoes) - ScienceDirect
WebSep 1, 1994 · By combining the equations of all links, the dynamical model for the motion of the excavator and the backhoe can be expressed concisely as: D (9)9 + C (9,8)8 + G (9) =r (9)F-F1oad (FhFn) (15) where 9 = [91 92 93 94]T and 9i, i = 1,2,3,4 represents the shaft angle of joint i, and the superscript "T" refers to the transposition.
Get a quote
Shape Optimization of an Excavator Bucket with the Help of …
Webexcavator is an engineering vehicle consisting of a bucket with cabin for the operator and tracked system for movement and engine is used for power generation. Hydraulic system is used for operation of the machine while digging or moving the material. Excavation is of prime importance in mining, earth removal and general earthworks.
Get a quote
Analysis of Cyperus esculentus–Soil Dynamic Behavior during
Webintroduced first are a non-linear dynamic analysis technique for a system in which a strongly non-linear hydraulic system is coupled with a linkage system and a technique for evaluating the engine fuel consumption of a hydraulic excavator during a digging operation in which the power for the
Get a quote