3 edition of Decentralized control of large flexible structures by joint decoupling found in the catalog.
Decentralized control of large flexible structures by joint decoupling
by National Aeronautics and Space Administration, Langley Research Center, For sale by the National Technical Information Service in Hampton, Va, [Springfield, Va
Written in English
|Statement||Tzu-Jeng Su and Jer-Nan Juang.|
|Series||NASA technical memorandum -- 107694.|
|Contributions||Juang, Jer-Nan., Langley Research Center.|
|The Physical Object|
The number of levels of hierarchy, in turn, determines the managers' span of control—how many employees directly report to a manager. In tall organizational structures, the span of control is narrow. In flat structures, the span of control is wide, meaning one manager supervises many employees. Centralized Organization vs. Decentralized Organization J The benefits to a decentralized organizational structure are more flexible and open to change. There is room for innovation and individual thought processes that could benefit the company as a whole or even one simple task. Employees of this type of environment favor.
BOOKS [B7] Kai Cai, W. Murray Wonham. Supervisor Localization: A Top-Down Approach to Distributed Control of Discrete-Event Systems. Lecture Notes in Control and Information Sciences (LNCIS) , Springer [B6] C. Ma, W.M. Wonham. Nonblocking Supervisory Control of State Tree Structures. Joint air operations are normally conducted using centralized control and decentralized execution to achieve effective control and foster initiative, responsiveness, and flexibility. Command and Control of Joint Air Operations Joint Force Commander The JFC establishes subordinate commands, assigns.
Complex systems require fast control action in response to local input, and perturbations dictate the use of decentralized information and control structures. This much-cited reference book explores the approaches to synthesizing control laws under decentralized information structure . The Control and Structures Research Laboratory(CSRL) segmented reflector testbed is an experimental apparatus capable of addressing the technical challenges presented by a complex three-dimensional structure such as a large segmented optical system. To validate both control .
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The item Decentralized control of large flexible structures by joint decoupling, Tzu-Jeng Su and Jer-Nan Juang represents a specific, individual, material embodiment of a distinct intellectual or artistic creation found in Indiana State Library.
This item is available to borrow from 1 library branch. Decentralized Control Of Large Flexible Structures By Joint Decoupling Tzu-Jeng Su* and Jer-Nan Juang t NASA Langley Research Center Hampton, Vbyinia Abstract This paper presents a decentralized control design method for large complex flexible structures by using the idea of joint decoupling.
A decentralized control design method is presented for large complex flexible structures by using the idea of joint decoupling.
The derivation is based on a coupled substructure state-space model, which is obtained from enforcing conditions of interface compatibility and equilibrium to the substructure state-space : Tzu-Jeng Su and Jer-Nan Juang.
A decentralized control design method is presented for large complex flexible structures by using the idea of joint decoupling. The derivation is based on a coupled substructure state-space model, which is obtained from enforcing conditions of interface compatibility and equilibrium to the substructure state-space : Tzu-Jeng Su, Jer-Nan Juang.
Decentralized control of large flexible structures by joint decoupling Su, Tzu-Jeng; Juang, Jer-Nan; Abstract. Not Available. Publication: Journal of Guidance Control Dynamics. Pub Date: July DOI: / Bibcode: JGCD S full text sources Cited by: 6.
This paper presents a novel method to design decentralized controllers for large complex flexible structures by using the idea of joint decoupling. Decoupling of joint degrees of freedom from the interior degrees of freedom is achieved by setting the joint actuator commands to cancel the internal forces exerting on the joint degrees of freedom.
Control Formulation for Flexible Structures Using Physical Coordinates Mechanics of Structures and Machines, Vol. 17, No. 1 Robust multivariable control of large space structures. Collocated to large size of the telescope structure, the mathematical each actuator is a position sensor which measures the model involves a large number of states and control dedisplacement of the actuator.
24 edge position sensors sign using conventional methods is esceedingly difficult. are used to measure the relative displacements.
In this article, a systematic approach is proposed to design PI-/PID-based multivariable control systems in which the designs and analyses of decentralized, decoupling, and sparse control schemes are all treated under a unified framework.
First, based on the relative normalized gain array (RNGA), a best loop pairing is obtained using the RGA (relative gain array)−Nederlinski index (NI.
When the response of a structural system to dynamic excitation must be analyzed, a substructure coupling method (or component-mode synthesis method) is frequently employed to reduce the order of the finite element model of the structure.
In this section, the dynamic coupling between the spacecraft attitude control system and the flexible structure control system is addressed. Fig. 2 depicts the block diagram of large flexible structure distributed coordinated control system based on consensus theory.
In order to improve the control efficiency, the control frame is divided into a slow-changing subsystem (attitude dynamics. This book on decentralized control of large-scale systems provides various analysis and design techniques for decentralized control of large-scale systems.
A systematic study of multi-input, muti-output systems with a special focus on industrial applications is given.
Get this from a library. Decentralized control of large flexible structures by joint decoupling. [Tzu-Jeng Su; Jer-Nan Juang; Langley Research Center.].
An IBM SCARA type of robot is used for simulation, and results are presented for decentralized proportional plus derivative control action applied to individual robot joints, and the use of. Centralized and decentralized control was necessary to change the traditional way of managing the company.
Following, the company went through a change from a centralized hierarchical structure to a more decentralized structure where the employees were more involved in the daily management.
An observer theory for decentralized control of large-scale interconnected systems, Large-Scale Systems: Theory and Applicationsed. by H. Geering and M. Mansour, IFAC Proceedings Series,No, Pergamon Press, – American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA The authors demonstrate the feasibility of shape and position control of large flexible structures with collocated sensors and actuators using direct position-plus-velocity feedback.
In sectionsimulations using a story benchmark structure are conducted to illustrate the efficacy of the decentralized ∞ control solution for large-scale civil structures.
Results using both ideal actuators and large-capacity semi-active hydraulic (SHD) dampers are presented for the story structure. 3/29/ Is your business better off with a central command structure or decentralized. Your future depends on the right answer. An excerpt from the new book, The Future of Work.
by Thomas W. Malone Author Thomas Malone, a professor at MIT Sloan School of Management, says that the cheap cost of communication e-mai. Decoupling organization happens more often in a large organization True One of the cons of organizational down-ward communication is that officers would be demoralized when they are not invited to participate and to provide feedback in the decision making process.written and explicitly articulated.
Formalized structures are those in which there are many written rules and regulations. These structures control employee behavior using written rules, so that employees have little autonomy to decide on a case-by-case basis.
An advantage of formalization is that it makes employee behavior more predictable.Network organizations are defined by elements of structure, process, and purpose. Structurally, a network organization combines co-specialized, possibly intangible, assets under shared control.
Joint ownership is essential but it must also produce an integration of assets, communication, and command in an efficient and flexible manner.