[REQUEST] optimal control (article request)

[lizard]

Hi dear members
I would be grateful if anyone could provide me with these papers and reports about optimal control .

1-Optimal Control of Nonlinear Structures
J. N. Yang, F. X. Long, and D. Wong
J. Appl. Mech. -- December 1988 -- Volume 55, Issue 4, 931 (8 pages)

Code:

http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=JAMCAV000055000004000931000001&idtype=cvips&gifs=yes&ref=no

2-INSTANTANEOUS OPTIMAL CONTROL FOR SEISMIC ANALYSIS OF NON-LINEAR STRUCTURES
K. Huang - *Gradute Studenta; R. Betti† - †Associate Professora; M. M. Ettouney† - ‡Principalb

Code:

http://www.informaworld.com/smpp/content~db=all~content=a792798438~frm=abslink

3-Instantaneous Optimal Control with Acceleration and Velocity Feedback
J.N.Yang, Z.Li
NCEER-90-0016 | 6/29/1990 | 52 pages |

Code:

http://mceer.buffalo.edu/publications/catalog/reports/Instantaneous-Optimal-Control-with-Acceleration-and-Velocity-Feedback-NCEER-90-0016.html

4-Optimal Control of Nonlinear Flexible Structures
J.N. Yang, F.X. Long and D. Wong
NCEER-88-0002 | 1/22/1988 | 110 pages

Code:

http://mceer.buffalo.edu/publications/catalog/reports/Optimal-Control-of-Nonlinear-Flexible-Structures-NCEER-88-0002.html

the first two are very necessary
thanks a lot
regards

[melkat]

1-Optimal Control of Nonlinear Structures
J. N. Yang, F. X. Long, and D. Wong
J. Appl. Mech. -- December 1988 -- Volume 55, Issue 4, 931 (8 pages)

Code:

http://hotfile.com/dl/107076543/721f8a9/optimal_control.pdf.html

[lizard]

can anyone share #4 it is really important for me
here is the link again:
4-Optimal Control of Nonlinear Flexible Structures
J.N. Yang, F.X. Long and D. Wong
NCEER-88-0002 | 1/22/1988 | 110 pages

Code:

http://mceer.buffalo.edu/publications/catalog/reports/Optimal-Control-of-Nonlinear-Flexible-Structures-NCEER-88-0002.html

thanks