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Realization of a Custom Designed FPGA Based Embedded Controller
As part of the Low Level RF (LLRF) upgrade project at Brookhaven National Laboratory's Collider-Accelerator Department (BNL C-AD), we have recently developed and tested a prototype high performance embedded controller. This controller is a custom designed PMC module employing a Xilinx V4FX60 FPGA with a PowerPC405 embedded processor, and a wide variety of on board peripherals (DDR2 SDRAM, FLASH, Ethernet, PCI, multi-gigabit serial transceivers, etc.). The controller is capable of running either an embedded version of LINUX or VxWorks, the standard operating system for RHIC front end computers (FECs). We have successfully demonstrated functionality of this controller as a standard RHIC FEC and tested all on board peripherals. We now have the ability to develop complex, custom digital controllers within the framework of the standard RHIC control system infrastructure. This paper will describe various aspects of this development effort, including the basic hardware, functional capabilities, the development environment, kernel and system integration, and plans for further development.
Date:
October 15, 2007
Creator:
Severino, F.; Harvey, M.; Hayes, T.; Hoff, L.; Oddo, P. & Smith, K. S.
Object Type:
Article
System:
The UNT Digital Library
The Greensheet (Houston, Tex.), Vol. 40, No. 440, Ed. 1 Thursday, October 15, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
October 15, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Greensheet (Houston, Tex.), Vol. 39, No. 438, Ed. 1 Wednesday, October 15, 2008
Free weekly newspaper that includes business and classified advertising.
Date:
October 15, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Port Aransas South Jetty (Port Aransas, Tex.), Vol. 39, No. 42, Ed. 1 Thursday, October 15, 2009
Weekly newspaper from Port Aransas, Texas on Mustang Island that includes local, state and national news along with extensive advertising.
Date:
October 15, 2009
Creator:
Judson, Mary Henkel
Object Type:
Newspaper
System:
The Portal to Texas History
The Greensheet (Houston, Tex.), Vol. 40, No. 441, Ed. 1 Thursday, October 15, 2009
Free weekly newspaper that includes business and classified advertising.
Date:
October 15, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
The Optimist (Abilene, Tex.), Vol. 97, No. 16, Ed. 1 Wednesday, October 15, 2008
Bi-weekly student newspaper from Abilene Christian University in Abilene, Texas that includes local, state and campus news along with advertising.
Date:
October 15, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 154, No. 34, Ed. 1 Wednesday, October 15, 2003
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 15, 2003
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
Cherokeean Herald (Rusk, Tex.), Vol. 159, No. 34, Ed. 1 Wednesday, October 15, 2008
Weekly newspaper from Rusk, Texas that includes local, state and national news along with extensive advertising.
Date:
October 15, 2008
Creator:
Whitehead, Marie
Object Type:
Newspaper
System:
The Portal to Texas History
North Texas Daily (Denton, Tex.), Vol. 92, No. 30, Ed. 1 Wednesday, October 15, 2008
Daily student newspaper from the University of North Texas in Denton, Texas that includes local, state and campus news along with advertising.
Date:
October 15, 2008
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
North Texas Daily (Denton, Tex.), Vol. 94, No. 29, Ed. 1 Thursday, October 15, 2009
Daily student newspaper from the University of North Texas in Denton, Texas that includes local, state and campus news along with advertising.
Date:
October 15, 2009
Creator:
unknown
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Jewish Post (Fort Worth, Tex.), Vol. 63, No. 42, Ed. 1 Thursday, October 15, 2009
Weekly Jewish newspaper from Fort Worth, Texas that includes local, state and national news along with extensive advertising.
Date:
October 15, 2009
Creator:
Wisch, Rene
Object Type:
Newspaper
System:
The Portal to Texas History
78th Texas Legislature, Third Called Session, House Bill 2, Chapter 8
Bill introduced by the Texas House of Representatives relating to the construction, acquisition, financing, maintenance, management, operation, ownership, and control of transportation facilities and the progress, improvement, policing, and safety of transportation in the state; making appropriations.
Date:
October 15, 2003
Creator:
Texas. Legislature. House of Representatives.
Object Type:
Legislative Document
System:
The Portal to Texas History
The Canadian Record (Canadian, Tex.), Vol. 119, No. 42, Ed. 1 Thursday, October 15, 2009
Weekly newspaper from Canadian, Texas that includes local, state and national news along with some advertising.
Date:
October 15, 2009
Creator:
Brown, Laurie Ezzell
Object Type:
Newspaper
System:
The Portal to Texas History
The Bastrop Advertiser (Bastrop, Tex.), Vol. 156, No. 65, Ed. 1 Thursday, October 15, 2009
Semi-weekly newspaper from Bastrop, Texas that includes local, state and national news along with advertising.
Date:
October 15, 2009
Creator:
Wright, Cyndi
Object Type:
Newspaper
System:
The Portal to Texas History
The Rambler (Fort Worth, Tex.), Vol. 90, No. 6, Ed. 1 Wednesday, October 15, 2003
Weekly student newspaper from Texas Wesleyan University in Fort Worth, Texas that includes campus and local news along with advertising.
Date:
October 15, 2003
Creator:
Nettles, Marc
Object Type:
Newspaper
System:
The Portal to Texas History
Texas Attorney General Opinion: JC-422
Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, John Cornyn, regarding a legal question submitted for clarification; Release of "provisional autopsy report" maintained by a justice of the peace (RQ-0380-JC)
Date:
October 15, 2001
Creator:
Texas. Attorney-General's Office.
Object Type:
Text
System:
The Portal to Texas History
Global Expression Studies of Yersinia Pestis Pathogenicity
The aim of these studies continues to be the investigation into the molecular mechanisms that underlie the virulence process in Yersinia pestis. In particular, the focus of this work centers on the identification of novel genes and pathways responsible for the pathogenic properties of this organism. In spite of more than four decades of intense investigation in this field, the dilemma as to what makes Y. pestis such a virulent and lethal pathogen remains unanswered. The method being employed makes use microarray technology (DNA chip) that enables the examination of the global activities of the whole complement of genes in this pathogen. Two primary resources available to the investigators (one directly obtained from a separate CBNP-funded project) make these studies possible: (1) Whole genome comparisons of the genes in Y. pestis and its near neighbors with attenuated or non pathogenic characteristics, and (2) the ability to duplicate in vitro, conditions that mimic the infection process of this pathogen. This year we have extended our studies from the original work of characterizing the global transcriptional regulation in Y. pestis triggered during temperature transition from 26 C to 37 C (roughly conditions found in the flea vector and the mammalian host, respectively) …
Date:
October 15, 2002
Creator:
Garcia, E; Motin, V; Brubaker, R & Fitch, P
Object Type:
Report
System:
The UNT Digital Library
Federal Pell Grant Program of the Higher Education Act: Background and Reauthorization
None
Date:
October 15, 2007
Creator:
Mercer, Charmaine
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Technologies for Retrieval of Waste from Leaking Tanks
The US Department of Energy Environmental and Waste Management Tanks Focus Area selected as a strategic initiative the need to identify and develop technologies for remediation of tanks that are known or are suspected to leak. This investigation identified and evaluated technical options for single-shell tank waste retrieval applicable to retrieve waste from potentially leaking tanks. Technologies that minimize leakage use minimal water, and dry retrieval technologies were evaluated. Safety, cost, authorization basis, and schedule risks were identified for each technology to provide River Protection Program with information to evaluate technical and programmatic risk. A workshop was held to identify technology needs and solutions. These approaches grouped into five categories: those related to waste dislodging, waste conveyance, both waste dislodging and conveyance, the deployment platform, and technologies related to leak detection, monitoring, and mitigation. Based on the ranking, six technologies were selected as potential candidates for further evaluation. These items were prioritized into four technologies to recommend for further evaluation 1) Air assisted TORE(R). The TORE(R) produces a precessing vortex core with the ability to convey solids at pre-determined slurry concentrations over great distances. The dry TORE(R) concept uses air to develop the vortex to fluidize dry solids. The TORE(R)the …
Date:
October 15, 2001
Creator:
Bamberger, Judith A.; Hatchell, Brian K.; Lewis, Benjamin E.; Randolph, John D. & Killough, Stephen M.
Object Type:
Report
System:
The UNT Digital Library
Capital Punishment Legislation in the 110th Congress: A Sketch
This report is a sketch on Capital Punishment Legislation in the 110th Congress.
Date:
October 15, 2008
Creator:
Doyle, Charles
Object Type:
Report
System:
The UNT Digital Library
China: Labor Conditions and Unrest
This report discusses the China's Labor condition and Chinese government attempt to implement laws and programs that protect labor rights and provide social welfare benefits while punishing labor rights activists and independent union organizer.
Date:
October 15, 2001
Creator:
Lum, Thomas
Object Type:
Report
System:
The UNT Digital Library
The Wavefront Control System for the National Ignition Facility
The National Ignition Facility (NIF) requires that pulses from each of the 192 laser beams be positioned on target with an accuracy of 50 {micro}m rms. Beam quality must be sufficient to focus a total of 1.8 MJ of 0.351-{micro}m light into a 600-{micro}m-diameter volume. An optimally flat beam wavefront can achieve this pointing and focusing accuracy. The control system corrects wavefront aberrations by performing closed-loop compensation during laser alignment to correct for gas density variations. Static compensation of flashlamp-induced thermal distortion is established just prior to the laser shot. The control system compensates each laser beam at 10 Hz by measuring the wavefront with a 77-lenslet Hartmann sensor and applying corrections with a 39-actuator deformable mirror. The distributed architecture utilizes SPARC AXi computers running Solaris to perform real-time image processing of sensor data and PowerPC-based computers running VxWorks to compute mirror commands. A single pair of SPARC and PowerPC processors accomplishes wavefront control for a group of eight beams. The software design uses proven adaptive optic control algorithms that are implemented in a multi-tasking environment to economically control the beam wavefronts in parallel. Prototype tests have achieved a closed-loop residual error of 0.03 waves rms. aberrations, the spot size …
Date:
October 15, 2001
Creator:
Van Atta, L.; Perez, M.; Zacharias, R. & Rivera, W.
Object Type:
Article
System:
The UNT Digital Library
The Americans with Disabilities Act and Emergency Preparedness and Response
The Americans with Disabilities Act provides broad nondiscrimination protection for individuals with disabilities in employment, public services, and public accommodations and serves operated by private entities. Although the ADA does not include provisions specifically discussing its application to disasters, its nondiscrimination provisions are applicable to emergency preparedness and responses to disasters. In order to further the ADA's goals, President Bush issued an Executive Order on July 22nd, 2004, relating to emergency preparedness for individuals with disabilities and establishing the Interagency Coordinating Council on Emergency Preparedness and Individuals with Disabilities. The Department of Homeland Security issued its Nationwide Plan Review Phase 2 Report, which includes a discussion of people with disabilities and emergency planning and readiness. The National Council on Disability has also issued a recommendation on emergency preparation and disaster relief relating to individuals with disabilities. The post-Katrina Emergency Management Reform Act of 2006 added the position of Disability Coordinator to FEMA.
Date:
October 15, 2008
Creator:
Jones, Nancy Lee
Object Type:
Report
System:
The UNT Digital Library
Hot Electron Generation and Transport Using K(alpha) Emission
We have conducted experiments on both the Vulcan and Titan laser facilities to study hot electron generation and transport in the context of fast ignition. Cu wires attached to Al cones were used to investigate the effect on coupling efficiency of plasma surround and the pre-formed plasma inside the cone. We found that with thin cones 15% of laser energy is coupled to the 40{micro}m diameter wire emulating a 40{micro}m fast ignition spot. Thick cone walls, simulating plasma in fast ignition, reduce coupling by x4. An increase of prepulse level inside the cone by a factor of 50 reduces coupling by a factor of 3.
Date:
October 15, 2009
Creator:
Akli, K. U.; Stephens, R. B.; Key, M. H.; Bartal, T.; Beg, F. N.; Chawla, S. et al.
Object Type:
Article
System:
The UNT Digital Library