Key technologies of aerial photogrammetric drift angle automatic adjust-and-control system

This paper aims at the problems of safety and efficiency of airport,designs and implements an Advanced Surface Movement Guidance and Control System (A-SMGCS) terminal, discusses the goals and key technologies about the system,including cache design of aircraft targets, and efficiency improvement of a large number of targets on the aerodrome.Finally,we give the test and conclusions of the system at a international airport in China.

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Research on Several Key Technologies of Power Grid Integrated Dispatching and Control System

Advanced Materials Research ◽

10.4028/www.scientific.net/amr.805-806.1097 ◽

2013 ◽

Vol 805-806 ◽

pp. 1097-1102 ◽

Cited By ~ 2

Author(s):

Long Zhang ◽

Jia Qing Zhao ◽

Sen Fan ◽

Hai Bing Zhu ◽

Yong Gang Zhang ◽

...

Keyword(s):

Control System ◽

Power Grid ◽

System Construction ◽

Relevant Research ◽

User Friendliness ◽

Operation System ◽

Existing Problems ◽

Key Technologies ◽

Integrated Operation ◽

And Control

Integrated Dispatching and Control System (IDCS) is an inevitable outcome of power grid dispatching automation as it develops to a certain stage, it provides important technical support for the construction of state grids integrated operation system. This paper firstly analyzes system construction and application status of IDCS, then summarizes existing problems and studies key technologies of IDCS from the aspects of improving systems intellectualization, security, rapidity and user-friendliness. Meanwhile, the developing foreground of IDCS will be conducted, expecting to provide some beneficial thoughts for relevant research and development.

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Development of a Jacobian Module for Advanced Pulp and Paper Simulation and Control

TAPPI Journal ◽

10.32964/tj8.1.4 ◽

2009 ◽

Vol 8 (1) ◽

pp. 4-11

Author(s):

MOHAMED CHBEL ◽

LUC LAPERRIÈRE

Keyword(s):

Control System ◽

Nonlinear Behavior ◽

Simulation Software ◽

Pulp And Paper ◽

Pid Controllers ◽

Tuning Parameters ◽

Pid Tuning ◽

Fixed Set ◽

And Control ◽

Operating Points

Pulp and paper processes frequently present nonlinear behavior, which means that process dynam-ics change with the operating points. These nonlinearities can challenge process control. PID controllers are the most popular controllers because they are simple and robust. However, a fixed set of PID tuning parameters is gen-erally not sufficient to optimize control of the process. Problems related to nonlinearities such as sluggish or oscilla-tory response can arise in different operating regions. Gain scheduling is a potential solution. In processes with mul-tiple control objectives, the control strategy must further evaluate loop interactions to decide on the pairing of manipulated and controlled variables that minimize the effect of such interactions and hence, optimize controller’s performance and stability. Using the CADSIM Plus™ commercial simulation software, we developed a Jacobian sim-ulation module that enables automatic bumps on the manipulated variables to calculate process gains at different operating points. These gains can be used in controller tuning. The module also enables the control system designer to evaluate loop interactions in a multivariable control system by calculating the Relative Gain Array (RGA) matrix, of which the Jacobian is an essential part.

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