Dennis Nicklaus
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View article: Controls at the Fermilab PIP-II Superconducting Linac
Controls at the Fermilab PIP-II Superconducting Linac Open
PIP-II is an 800 MeV superconducting RF linear accelerator under development at Fermilab. As the new first stage in our accelerator chain, it will deliver high-power beam to multiple experiments simultaneously and thus drive Fermilab's par…
View article: Beyond PID Controllers: PPO with Neuralized PID Policy for Proton Beam Intensity Control in Mu2e
Beyond PID Controllers: PPO with Neuralized PID Policy for Proton Beam Intensity Control in Mu2e Open
We introduce a novel Proximal Policy Optimization (PPO) algorithm aimed at addressing the challenge of maintaining a uniform proton beam intensity delivery in the Muon to Electron Conversion Experiment (Mu2e) at Fermi National Accelerator …
View article: ML-based Real-Time Control at the Edge: An Approach Using hls4ml
ML-based Real-Time Control at the Edge: An Approach Using hls4ml Open
This study focuses on implementing a real-time control system for a particle accelerator facility that performs high energy physics experiments. A critical operating parameter in this facility is beam loss, which is the fraction of particl…
View article: Edge AI for accelerator controls (READS): beam loss deblending
Edge AI for accelerator controls (READS): beam loss deblending Open
model may be producible to help de-blend losses between machines. Work is underway as part of the Fermilab Real-time Edge AI for Distributed Systems Project (READS) to develop a ML empowered system that collects streamed BLM data and addit…
View article: Controls at the Fermilab PIP-II Superconducting Linac
Controls at the Fermilab PIP-II Superconducting Linac Open
PIP-II is an 800 MeV superconducting RF linear accelerator under development at Fermilab. As the new first stage in our accelerator chain, it will deliver high-power beam to multiple experiments simultaneously and thus drive Fermilab's par…
View article: Disentangling Beam Losses in The Fermilab Main Injector Enclosure Using Real-Time Edge AI
Disentangling Beam Losses in The Fermilab Main Injector Enclosure Using Real-Time Edge AI Open
The Fermilab Main Injector enclosure houses two accelerators, the Main Injector and Recycler Ring. During normal operation, high intensity proton beams exist simultaneously in both. The two accelerators share the same beam loss monitors (B…
View article: Controls at the Fermilab PIP-II Superconducting Linac
Controls at the Fermilab PIP-II Superconducting Linac Open
PIP-II is an 800 MeV superconducting RF linac under development at Fermilab. As the new first stage in our accelerator chain, it will deliver high-power beam to multiple experiments simultaneously and thus drive Fermilab’s particle physics…
View article: Synchronous High-Frequency Distributed Readout for Edge Processing at the Fermilab Main Injector and Recycler [Poster]
Synchronous High-Frequency Distributed Readout for Edge Processing at the Fermilab Main Injector and Recycler [Poster] Open
VME backplane and broadcast BLM measurements over Ethernet, while not disrupting the existing operations critical functions of the BLM system. This paper will detail the design, implementation, and testing of this parallel data pathway.
View article: Detector Controls for the NOvA Experiment Using Acnet-in-a-Box.
Detector Controls for the NOvA Experiment Using Acnet-in-a-Box. Open
In recent years, we have packaged the Fermilab accelerator control system, Acnet, so that other instances of Acnet can be deployed, independent of the local Fermilab infrastructure. This encapsulated Acnet, also referred to as Acsys-in-a-B…
View article: LCSL-II Cryomodule Testing at Fermilab
LCSL-II Cryomodule Testing at Fermilab Open
Cold powered testing of all LCLS-II production cryomodules at Fermilab is complete as of February 2021. A total of twenty-five tests on both 1.3 GHz and 3.9 GHz cryomodules were conducted over a nearly five year time span beginning in the …
View article: Semantic Regression for Disentangling Beam Losses in the Fermilab Main Injector and Recycler
Semantic Regression for Disentangling Beam Losses in the Fermilab Main Injector and Recycler Open
Fermilab’s Main Injector enclosure houses two accelerators: the Main Injector (MI) and the Recycler (RR). In periods of joint operation, when both machines contain high intensity beam, radiative beam losses from MI and RR overlap on the en…
View article: Accelerator Real-time Edge AI for Distributed Systems (READS) Proposal
Accelerator Real-time Edge AI for Distributed Systems (READS) Proposal Open
Our objective will be to integrate ML into Fermilab accelerator operations and furthermore provide an accessible framework which can also be used by a broad range of other accelerator systems with dynamic tuning needs. We will develop of r…
View article: Real-Time Edge AI for Distributed Systems (READS): Progress on Beam Loss De-Blending for the Fermilab Main Injector and Recycler
Real-Time Edge AI for Distributed Systems (READS): Progress on Beam Loss De-Blending for the Fermilab Main Injector and Recycler Open
The Fermilab Main Injector enclosure houses two accelerators, the Main Injector and Recycler. During normal operation, high intensity proton beams exist simultaneously in both. The two accelerators share the same beam loss monitors (BLM) a…
View article: Performance of the LLRF System for the Fermilab PIP-II Injector Test
Performance of the LLRF System for the Fermilab PIP-II Injector Test Open
PIP-II IT is a test facility for the PIP-II project where the injector, warm front-end, and the first two superconducting cryomodules are being tested. The 8-cavity half-wave-resonator (HWR) cryomodule operating at 162.5 MHz is followed by…
View article: Optimizing Mu2e Spill Regulation System Algorithms
Optimizing Mu2e Spill Regulation System Algorithms Open
A slow extraction system is being developed for the Fermilab’s Delivery Ring to deliver protons to the Mu2e experiment. During the extraction, the beam on target experiences small intensity variations owing to many factors. Various adaptiv…
View article: Resonance Control System for the PIP-II IT HWR Cryomodule
Resonance Control System for the PIP-II IT HWR Cryomodule Open
The HWR (half-wave-resonator) cryomodule is the first one in the superconducting section of the PIP-II LINAC project at Fermilab. PIP-II IT is a test facility for the project where the injector, warm front-end, and the first two supercondu…
View article: Modernization Plans for Fermilab’s Accelerator Control System
Modernization Plans for Fermilab’s Accelerator Control System Open
The control system, ACNET, for Fermilab’s accelerator complex has enabled the lab’s scientific mission for decades. ACNET has evolved over the years to incorporate new technologies. However, as Fermilab prepares to enter a new era with its…
View article: Experience With LCLS-II Cryomodule Testing at Fermilab
Experience With LCLS-II Cryomodule Testing at Fermilab Open
The Cryomodule Test Stand (CMTS1) at Fermilab has been engaged with testing 8-cavity 1.3 GHz cryomodules designed and assembled for the LCLS-II project at SLAC National Accelerator Laboratory since 2016. Over these three years twenty cryom…
View article: Commissioning And First Results From The Fermilab Cryomodule Test Stand
Commissioning And First Results From The Fermilab Cryomodule Test Stand Open
A new test stand dedicated to Superconducting Radiofrequency (SRF) cryomodule testing, CMTS1, has been commissioned and is now in operation at Fermilab. The first device to be cooled down and powered in this facility is the prototype 1.3 G…
View article: Fermilab Cryomodule Test Stand RF Interlock System
Fermilab Cryomodule Test Stand RF Interlock System Open
An interlock system has been designed for the Fermilab Cryo-module Test Stand (CMTS), a test bed for the cryomodules to be used in the upcoming Linac Coherent Light Source 2 (LCLS-II) project at SLAC. The interlock system features 8 indepe…
View article: Commissioning and First Results from the Fermilab Cryomodule Test Stand
Commissioning and First Results from the Fermilab Cryomodule Test Stand Open
A new test stand dedicated to SRF cryomodule testing, CMTS1, has been commissioned and is now in operation at Fermilab. The first device to be cooled down and powered in this facility is the prototype 1.3 GHz cryomodule assembled at Fermil…
View article: Resonant Frequency Control for the PIP-II Injector Test RFQ: Control Framework and Initial Results
Resonant Frequency Control for the PIP-II Injector Test RFQ: Control Framework and Initial Results Open
For the PIP-II Injector Test (PI-Test) at Fermilab, a four-vane radio frequency quadrupole (RFQ) is designed to accelerate a 30-keV, 1-mA to 10-mA H' beam to 2.1 MeV under both pulsed and continuous wave (CW) RF operation. The available he…
View article: Resonant Frequency Control For the PIP-II Injector Test RFQ: Control Framework and Initial Results
Resonant Frequency Control For the PIP-II Injector Test RFQ: Control Framework and Initial Results Open
For the PIP-II Injector Test (PI-Test) at Fermilab, a four-vane radio frequency quadrupole (RFQ) is designed to accelerate a 30-keV, 1-mA to 10-mA, H- beam to 2.1 MeV under both pulsed and continuous wave (CW) RF operation. The available h…
View article: Resonant Control for Fermilab's PXIE RFQ
Resonant Control for Fermilab's PXIE RFQ Open
The RFQ for Fermilab's PXIE test program is designed to accelerate a < 10 mA H⁻ CW beam to 2.1 MeV. The RFQ has a four-vane design, with four modules brazed together for a total of 4.45 m in length. The RF power required is < 130 kW at 162…