Steady State and Dynamic Operation of Four-Product Dividing-Wall (Kaibel) Columns: Experimental Verification

2012 ◽  
Vol 51 (48) ◽  
pp. 15696-15709 ◽  
Author(s):  
Deeptanshu Dwivedi ◽  
Jens P. Strandberg ◽  
Ivar J. Halvorsen ◽  
Sigurd Skogestad
Keyword(s):  
Steady State ◽  
Experimental Verification ◽  
Dynamic Operation

Numerical and Experimental Research on a Kaibel Divided-Wall Column: Design and Steady-State and Dynamic Operation

2020 ◽  
Vol 59 (27) ◽  
pp. 12557-12567
Author(s):  
Hui Pan ◽  
Feng Ju ◽  
Guichun He ◽  
Jigang Zhao ◽  
Hui Sun ◽  
...  
Keyword(s):  
Steady State ◽  
Experimental Research ◽  
Dynamic Operation ◽  
Divided Wall Column ◽  
Column Design

Steady-State Theoretical Model of an Electro-Hydraulic Single-Disk Pilot Valve

1992 ◽  
Vol 114 (2) ◽  
pp. 293-298 ◽  
Author(s):  
Y. Sun ◽  
G. A. Parker
Keyword(s):  
Steady State ◽  
Theoretical Model ◽  
Experimental Verification ◽  
Control Device ◽  
Null Condition ◽  
Electromagnetic Model ◽  
Disk Valve ◽  
Single Disk ◽  
Electromagnetic Characteristics ◽  
Pilot Valve

The paper describes an electro-hydraulic single floating-disk valve suitable for use as a pilot control device. For this type of application proportional action involving small movements of the disk for the null condition is required. The theory for the steady-state linearized analysis of both the fluid and electromagnetic characteristics is developed. Experimental verification of the electromagnetic model is also described.

EXPERIMENTAL VERIFICATION OF A PRACTICAL DIGITAL DRIVER WITH SWITCHED GAIN-TUNING FOR FIVE-PHASE STEPPING-MOTORS

2015 ◽  
Vol 39 (2) ◽  
pp. 239-252 ◽  
Author(s):  
Keisuke Yagi ◽  
Noriyuki Hori ◽  
Meyer Nahon
Keyword(s):  
Steady State ◽  
Experimental Verification ◽  
Feedback Loop ◽  
Fast Response ◽  
High Gain ◽  
Phase Stepping ◽  
Self Tuning ◽  
Better Than ◽  
Steady State Performance

A digital driver that has a switched self-tuning gain in its current regulator is designed for five-phase stepping motors so that their performance could be improved and adjusted more easily, than with an analog driver. The regulator has a fixed gain block in its feedback loop and an adjustable gain in the feedforward path, replacing the integrator and the high gain that were required in previous designs to achieve good steady-state performance and fast response. Extensive experiments have been conducted under typical and extreme actuation conditions, and revealed that the proposed driver performs better than the analog drivers or their discretized equivalents, especially in eliminating undershoots, which were problematic with previous drivers.

scholarly journals One-Cycle Control of Three-Phase Five-Level Diode-Clamped STATCOM

Energies ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1830
Author(s):  
In Wha Jeong ◽  
Tae Hyun Sung
Keyword(s):  
Steady State ◽  
Control Method ◽  
Experimental Results ◽  
Static Var Compensator ◽  
Pwm Control ◽  
Multilevel Converter ◽  
Dynamic Operation ◽  
Three Phase ◽  
Voltage Balance ◽  
Level Converter

This paper presents a new multilevel one-cycle control (OCC) technique for a five-level diode-clamped multilevel converter (DCMC)-based static VAR compensator (STATCOM). The OCC algorithm in combination with multi-carrier level-shifted PWM control is used in the proposed five-level DCMC-based STATCOM. The automatic dc link voltage balance is simply realized by four voltage compensators presented as the part of the OCC controller. In this paper the OCC principle of a two-level converter-based STATCOM is reviewed and extended to the five-level DCMC-based STATCOM. The proposed multilevel OCC control method of the five-level DCMC-based STATCOM in steady-state and dynamic operation modes is verified by simulation and experimental results.

Experimental verification of steady state turning errors

Wear ◽  
1979 ◽  
Vol 55 (1) ◽  
pp. 71-80
Author(s):  
A.F. Rashed ◽  
H.R. El-Sayed ◽  
T. El-Wardany
Keyword(s):  
Steady State ◽  
Experimental Verification
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