Investigation of efficiency of electric drive control system of excavator traction mechanism based on feedback on load

Kuznetsov, N. K.; Iov, I A; Iov, A A

doi:10.1088/1742-6596/1015/3/032176

Cited by 5 publications

(6 citation statements)

References 1 publication

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“…Modern methods of designing mechatronic systems make it possible to synthesize the structure with a given quality of transient processes [5,7]. Standard methods for adjusting the regulators of slave circuits of electric drive systems -modular and symmetric optima [6,7], do not take into account not only energy losses and the influence of power supplies, but also the different physical essence of control processes in a mechatronic system. For electric drive systems with thyristor and transistor energy converters, the operation of which is characterized by harmonic distortions of the shape of currents and voltages, both calculations and measurements of energy characteristics turn out to be difficult, since specialized measuring instruments for these purposes are not produced, and models and estimates of the parameters of electric power processes for nonlinear systems do not have unambiguous and generally accepted definitions [8,9].…”

Section: Literature Reviewmentioning

confidence: 99%

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Determining the parameters of the trajectory of the bucket of mining quarries excavators

et al. 2021

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The bucket positioning of the excavator in three-dimensions (3-D) is the precondition of the robotic excavator starting automatized works. The electric excavator is one of the most widely used machinery in the mining industry, mainly due to its versatility and portability. Among the tasks performed by the excavator, there is a significant number of repetitive movements associated with moving the bucket to the unloading point and back to the face. Using automated functions to perform such repetitive tasks will not only significantly increase overall productivity, but also reduce energy consumption. This research is carried out to create a method of coordinate control of electric drives of the boom, dipper stick, and bucket of an electric excavator to perform accurate and efficient work. On the basis of the kinematic analysis of the excavator’s attachment system, the trajectory of the end of the working body can be determined from the point of view of the coordinated movement of the electric drives of the main mechanisms of the excavator. Thus, the complex algorithm of the excavator bucket 3-D position control can be carried out by coordinated control of the movement of three separate electric drives. This coordinate control algorithm was tested on the example of the EKG-8I excavator, and the results of the verification showed that this developed control method can satisfactorily perform the function of automatic control of the bucket position in three-dimensional space. Optimization of control will be further carried out based on the analysis of the energy efficiency of various possible trajectories.

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Section: Literature Reviewmentioning

confidence: 99%

“…Equations (4)(5)(6) subject to constraints (7) gives us a closed solution for the inverse problem of excavator kinematics.…”

Section: Solution Of the Inverse Problem Of Power Shovel Kinematicsmentioning

confidence: 99%

Determining the parameters of the trajectory of the bucket of mining quarries excavators

et al. 2021

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“…The technique for assessing the ideal slip proportion depends on looking for extraordinary estimation of -bend ( -bend signifies the connection between the street grinding coefficient and the slip proportion). The connection between and can be communicated by Kiencke demonstrate [12,13]. The condition for Kiencke show is as per the following: Where, 1 and 2 denote the parameters for different road conditions.…”

Section: Parameter Estimationmentioning

confidence: 99%

A Critical Review on Traction Control System

Patel¹,

Tjprc²

2019

IJMPERD

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This paper shares an investigation of vehicle footing control and examines its significance in interstate mechanization. A vigorous control technique is intended for slip control, which thus controls the footing. It is indicated how traction control can be utilized to fulfill diverse goals of vehicle control. The significance of footing is additionally accentuated by contrasting its execution with inactive controllers in a recreation contemplates in which a motivation like breeze unsettling influence is presented. The similar investigation demonstrates that the framework under footing control is steady within the sight of outside unsettling influences, though the framework under latent control may end up temperamental within the sight of outer aggravations. The course control technique with fluffy control calculation and sliding mode control calculation can be successfully adjusted to the confused street surface conditions.

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“…The reduction of energy consumption states a key criterion forcing the optimization of the operating parameters of electric drive systems [1][2][3][4]. Modern drive systems are most often extended by frequency converters, which constitute the superior system for setting operating parameters and monitoring the drive motor.…”

Section: Introductionmentioning

confidence: 99%

“…The energy efficiency guaranteed by IEC 60034-30-1: 2014 standard defines the minimum efficiency value of the drive motor as a hardware component. The energy efficiency during the drive operation is also influenced by [1]:…”

Section: Introductionmentioning

confidence: 99%

Frequency Converter as Node for Edge Computing of Big Data, Related to Drive Efficiency, in Industrial Internet of Things

Hetmańczyk¹,

Malaka²

2021

Preprint

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The article presents a method of generating Key Performance Indicators related to electric motor energy efficiency on the basis of Big Data gathered and processed in frequency converter. The authors proved that using the proposed solution it is possible to specify the relation between the control mode of an electric drive and the control quality-energy consumption ratio in the start-up phase as well as in the steady operation with various mechanical loads. The tests were carried out on a stand equipped with two electric motors (one driving, the other used to apply the load by adjusting the parameters of the built-in brake). The measurements were made in two load cases, for motor control modes available in industrially applied frequency converters (scalar V/f, vector Voltage Flux Control without encoder, vector Voltage Flux Control with encoder, vector Current Flux Control and Vector Current Flux Control with torque control). During the experiments values of current intensities (active and output), the actual frequency value, IxT utilization factor, relative torque and the current rotational speed were measured and processed. Based on the data the level of the energy efficiency was determined for various control modes.

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Investigation of efficiency of electric drive control system of excavator traction mechanism based on feedback on load

Cited by 5 publications

References 1 publication

Determining the parameters of the trajectory of the bucket of mining quarries excavators

Determining the parameters of the trajectory of the bucket of mining quarries excavators

A Critical Review on Traction Control System

Frequency Converter as Node for Edge Computing of Big Data, Related to Drive Efficiency, in Industrial Internet of Things

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