Improved HUST-PTF beamline control system for beam commissioning
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초록
Huazhong University of Science and Technology is constructing a proton therapy facility (HUST-PTF) utilizing a 240 MeV superconducting cyclotron. To control the beamline-related devices during beam transportation, a beamline control system (BCS) with a distributed architecture based on open platform communications unified architecture (OPC UA) was proposed. In the last version of BCS, there are some issues, such as thread blocking, low data refresh rate, and functional deficit. To overcome the mentioned drawbacks, this study optimizes the interaction between magnet power supplies and the BCS through thread flow optimization and a selective Monitor mechanism, introduces a denormalized beam database, and integrates the beam diagnostics subsystem into BCS. Finally, the improved BCS is validated on-site with a proton beam under different energy settings, demonstrating successful adherence to the design requirements.
Abstract
Huazhong University of Science and Technology is constructing a proton therapy facility (HUST-PTF) utilizing a 240 MeV superconducting cyclotron. To control the beamline-related devices during beam transportation, a beamline control system (BCS) with a distributed architecture based on open platform communications unified architecture (OPC UA) was proposed. In the last version of BCS, there are some issues, such as thread blocking, low data refresh rate, and functional deficit. To overcome the mentioned drawbacks, this study optimizes the interaction between magnet power supplies and the BCS through thread flow optimization and a selective Monitor mechanism, introduces a denormalized beam database, and integrates the beam diagnostics subsystem into BCS. Finally, the improved BCS is validated on-site with a proton beam under different energy settings, demonstrating successful adherence to the design requirements.