PXRR Staff

protein
crystallography
research resource

Additional Staff Info

Bill Nolan Joined PXRR in 2000 tel: (631 344 3421 fax: (631) 344 2741 wnolan@bnl.gov Biology Department, Bldg 463 Brookhaven National Laboratory Upton NY, 11973

Current Activities:

Provide methods and hardware for the electronic and computerized integrated control of the PXRR beam lines. Develop and deploy EPICS-based systems for motion and process control. Develop EPICS record set and control interface to coordinate undulator motion with monocromator changes. Devlop novel sensor methods for automated sample handler Design and build amplifier and interface modules for the planned X25 monochromator uprades. This modular system will provide EPICS control for the many DC servo motors, encoders, and limit signals of the LR-design double crystal mono. Prepare to deploy a pressure and temperature monitoring and interlocking system for the helium closed-cycle monochromator refrigeration unit currently in use at X29 and on order for X25. Develop an EPICS driver and record set for the Parker Compumotor 6K series motion controller. Promote the group-wide use of the Vesta Source Control and Configuration Management system. It is currently used to maintain the EPICS installation at all pxrr beam lines as well as to maintain the beam time schedules.

Past Activities:

Devloped and deployed a new EIA485 based system for monitoring Vacuume pressure and pump function. Integrated a Keyence CV-2100 machine vision system into the X29 diffractometer to provide a checkpoint of proper diffractometer operation during the use of its automounter. Deployed Linux based EPICS-IOC's with a number of small custom interface modules to bring existing devices like the sample coolers and fill level controllers under control at the beam lines. Brought the X29 MGU device under reliable an repeatable control using a Linux-IOC. Rapidly deployed an interface system to drive the DC servo motors on X29 to complete conditioning and alignment of the MGU and the beamline during commissioning. Implemented a PXRR-wide upgrade of the EPICS installations by replacing an old VX-Works with the current RTEMS operating system on all beamline VME crates. This allowed for upgrades of outdated driver software and the introduction of new I/O hardware. Designed a drive system to put the Smoovy motors of an existing motorized goniometer heads under EPICS control. This made possible the use in click-to-center methods in the automounter control software and it opens the way to developing crystal auto-centering systems.

Updated 21 July 2005	Security Notice   Webteam   Site Map   Bio   PXRR   NSLS   BNL