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Research on periodical fluctuations identification and ...

A method based on the least square (LS) method is introduced in this paper to analyze and calculate the characteristic parameters of periodic export thickn

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Neural network for identification of roll eccentricity in ...

These methods may also be split up into another two groups: Group 1: Identification of total roll eccentricity, which is equivalent to the total axial deviation of the roll. Group 2: Identification of respective roll eccentricity, where the respective contribution of eccentricity in the measured thickness or force is defined and disappears ...

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Identification of roll dynamics of an autonomous ...

This article aims to identify the roll channel parameters of an autonomous underwater vehicle. These parameters include hydrodynamic coefficients, motor torque, eccentricity, misalignments and mounting imperfections. In the proposed method, an approximation of the hydrodynamic coefficients is made at first via semi-empirical methods. In the next step, a proportional–integral–derivative ...

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Identification of Probability of thermally induced ...

Fig 4– Logic Diagram to identify Rotor bow from mass eccentricity in 1x vibration IV. Identification of Rotor bowat OEM works Usually slow roll run out data is taken during startup and coast down in Bode plot. It is found that difference between slow roll data at start up and coast down after a .

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Eccentricity | Definition of Eccentricity by Merriam-Webster

Eccentricity definition is - the quality or state of being eccentric. How to use eccentricity in a sentence.

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Roll Eccentricity Compensation Based on AntiAliasing ...

Roll eccentricity is an important factor causing thickness variations during hot strip rolling and might define the limit of strip thickness control accuracy.

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1. Introduction - Scientific Research Publishing

A common problem is the back-up and work rolls are not perfectly circular in shape. In other words, the rolls are eccentric. The roll eccentricity effect will, under normal constant operating forces, result in steel strip with undesirable thickness deviations [1]. Fuzzy logic provides an inference morphology that enables approximate human reasoning capability to be applied in a fuzzy inference system.

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Study of signal of roll eccentricity based on wavelet ...

With the ever-increasing demand for the quality of steel plate and strip products, roll eccentricity has become an important factor affecting the product quality. In this paper, the roll eccentricity signal is modeled based on modern signal processing theory.

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Roll Eccentricity Phase Identification System - Scientific.Net

Roll eccentricity is widespread in the strip mill, has cyclical impact on strip thickness, so disturbance compensation is required to improve the product quality. The key step of disturbance compensation is to obtain reliable roll eccentricity signal. Existing direct measurements of roll eccentricity signal method requires special equipments with high precision but not practical enough.

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1. Introduction - Scientific Research Publishing

Roll eccentricity is not part of the controller but must be considered to be consistent with data reported from operating mills which. usually includes its effects. The eccentricity components remaining in the mill exit thickness after compensation. In the model, roll eccentricity modifies Equation (5) as [12]: (7) where e is the roll eccentricity.

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Neural network for identification of roll eccentricity in ...

Read "Neural network for identification of roll eccentricity in rolling mills, Journal of Materials Processing Technology" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

  • Published in: Journal of Materials Processing Technology · 1996Authors: Karl Aistleitner · L G Mattersdorfer · Werner Haas · Andreas KugiAffiliation: Voestalpine · Johannes Kepler University of LinzAbout: Artificial neural networkGet Price

The Engineering Design of Rolling Mill - A&L

A Foil Rolling Mill rolls, in subsequent long passes(due to the relative thin material), coiled strip (coiled on steel spool) from a thickness of up to 0.6 mm (coming from Cold rolling Mill) down to 2 x 5 µm; the mill is designed in order to roll in closed gap. The Mechanics of the Rolling Process

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Identification of Probability of thermally induced ...

Fig 4– Logic Diagram to identify Rotor bow from mass eccentricity in 1x vibration IV. Identification of Rotor bowat OEM works Usually slow roll run out data is taken during startup and coast down in Bode plot. It is found that difference between slow roll data at start up and coast down after a .

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Eccentricity - definition of eccentricity by The Free ...

Define eccentricity. eccentricity synonyms, eccentricity pronunciation, eccentricity translation, English dictionary definition of eccentricity. n. pl. ec·cen·tric·i·ties 1. a. The quality of being eccentric. b. Deviation from the normal, expected, or established. 2. An example or instance of...

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The Engineering Design of Rolling Mill - A&L

A Foil Rolling Mill rolls, in subsequent long passes(due to the relative thin material), coiled strip (coiled on steel spool) from a thickness of up to 0.6 mm (coming from Cold rolling Mill) down to 2 x 5 µm; the mill is designed in order to roll in closed gap. The Mechanics of the Rolling Process

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Eccentricity Measuring Equipment | Products & Suppliers ...

Find Eccentricity Measuring Equipment related suppliers, manufacturers, products and specifications on GlobalSpec - a trusted source of Eccentricity Measuring Equipment information. ... Roll Eccentricity Phase Identification System. Existing direct measurements of roll eccentricity signal method requires special equipments with high precision ...

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A novel real-time fuzzy-based diagnostic system of roll ...

Apart from the diagnosis system itself, other contributions • A broad definition of roll eccentricity is considered, of this paper are the following: including all the irregularities in the stand which depend • a new roll-eccentricity estimation algorithm which en- on the angular position of the roll.

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Diameter, Eccentricity, concentricity | Micro-Epsilon

Diameter, Eccentricity, concentricity The diameter of an object can be established in different ways. If the center of the object is known, a single sensor is sufficient for the measurement whose result is evaluated with the position of the center point or the axis.

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Method for compensating irregularities caused by roll ...

Jan 07, 1992 · An arrangement for regulating the thickness of rolled strips utilizing a gauge meter method and for compensating irregularities caused by roll eccentricities, the arrangement comprising a monitor regulating circuit, a gauge meter regulating circuit, a position regulating circuit, an eccentricity regulating circuit, a filter for filtering a ...

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Eccentrically - definition of eccentrically by The Free ...

A stolen diamond and three right feet, wearing shoes of a non-existent brand, that wash ashore in Scotland set into motion the first plot of Island of Point Nemo, a rollicking Jules Verne-like adventure narrative that crosses continents and oceans, involves multilingual codes, a world-famous villain, and three eccentrically loopy detectives.

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Orbital eccentricity - Wikipedia

The orbital eccentricity of an astronomical object is a dimensionless parameter that determines the amount by which its orbit around another body deviates from a perfect circle.A value of 0 is a circular orbit, values between 0 and 1 form an elliptic orbit, 1 is a parabolic escape orbit, and greater than 1 is a hyperbola.The term derives its name from the parameters of conic sections, as every ...

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