https://cosmic.pages.obspm.fr/cosmic/ Recent content on COSMIC Hugo -- gohugo.io en damien dot gratadour at obspm dot fr (COSMIC Team) damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/page/about/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/page/about/ My name is Inigo Montoya. I have the following qualities: I rock a great mustache I’m extremely loyal to my family What else do you need? my history To be honest, I’m having some trouble remembering right now, so why don’t you just watch my movie and it will answer all your questions. https://cosmic.pages.obspm.fr/cosmic/page/team/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/page/team/ Damien Gratadour COSMIC lead, astronomer and senior research scientist at Observatoire de Paris - CNRS. As a technology enthousiast, Damien has successfully spearheaded numerous disruptive R&D projects in astronomical instrumentation for over a decade, including COSMIC. Florian Ferreira COSMIC guru and main software architect. As a software reasearch engineer (PhD) at Observatoire de Paris - CNRS, Florian is managing the effort for the design and manufacturing of SPHERE+ RTC. He is also the COMPASS lead and main architect. Arnaud Sevin COSMIC guru and core contributor. As a software reasearch engineer at Observatoire de Paris - CNRS, Arnaud is managing the effort for the design and manufacturing of MICADO RTC. As a mercenary technologist, he is also an expert in network architectures, middleware and high performance computing. Julien Bernard COSMIC guru and core contributor. As a software reasearch engineer at AITC - ANU, Julien has been the core developer for GHOST RTC and is responsible for the MAVIS HRTC development. https://cosmic.pages.obspm.fr/cosmic/use_cases/embedded/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/embedded/ Embedded systems https://cosmic.pages.obspm.fr/cosmic/use_cases/ghost/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/ghost/ The GPU-based High-order adaptive OpticS Testbench (GHOST) at the European Southern Observatory (ESO) is a new 2-stage extreme adaptive optics (XAO) testbench at ESO. The GHOST is designed to investigate and evaluate new control methods (machine learning, predictive control) for XAO which will be required for instruments such as the Planetary Camera and Spectrograph of ESOs Extremely Large Telescope. The first stage corrections are performed in simulation, with the residual wavefront error at each iteration saved. The residual wavefront errors from the first stage are then injected into the GHOST using a spatial light modulator. The second stage correction is made with a Boston Michromachines Corporation 492 actuator deformable mirror and a pyramid wavefront sensor. The GHOST RTC pipeline as implemented using COSMIC is displayed below. https://cosmic.pages.obspm.fr/cosmic/page/how-it-works/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/page/how-it-works/ Hardware concept As a baseline, the overall design for the Adaptive Optics (AO) Real-Time Controller (RTC) consists of: a Hard-real-time controller (HRTC): a high throughput, low latency and low jitter engine, taking as input pixel data from multiple cameras and providing as output the drive data for thousands of actuators a Soft-real-time cluster (SRTC): a computing facility for the configuration, calibration and optimization of the hard-real-time pipeline (supervisor) and for data telemetry and storage (telemetry) a Simulator system: providing accurate simulation at real-time frame rates of hardware components in their absence (emulation mode), as well as a quasi real-time end-to-end numerical simulator to validate achievable AO performance A Communication Infrastructure: realizing all the required interconnections between these sub-systems. These functional blocks are assembled together following the block diagram below A dedicated Hardware Interface Unit is used to provide the critical flexibility that is required to interconnect the hardware on the optical bench with the compute units. https://cosmic.pages.obspm.fr/cosmic/use_cases/keck/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/keck/ W. M. Keck Observatory has integrated a new real-time controller (NRTC) in support of the KAPA project on the Keck I telescope. A second, identical NRTC system has been installed with the Keck II AO system. Unique aspects of the Keck II system include a SAPHIRA-detector based near-infrared pyramid wavefront sensor and a MEMS deformable mirror. A Consortium led by Microgate has designed and built the NRTC, based on COSMIC, to support existing and future AO capabilities for the Keck AO facilities. The hardware architecture with the use of GPUs allows for future changes and greater processing capacity while the software architecture provides the flexibility needed to test new algorithms and to integrate new sensors and controls. The system itself has greater reliability and has built-in tools to support failure isolation within the system. The NRTC has demonstrated its bandwidth performance in single Laser and Natural Guide Star (LGS and NGS) modes and is scheduled for an LTAO upgrade using four laser guide stars. https://cosmic.pages.obspm.fr/cosmic/use_cases/mavis/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/mavis/ MAVIS (the MCAO Assisted Visible Imager & Spectrograph), to be installed on ESO’s VLT, will be driven by a high performance real-time control (RTC) system relying on cutting edge hardware and software technologies, including the hard real-time pipeline as well as the supervisory and tightly coupled telemetry sub-systems. To meet the extremely challenging requirements of a complex instrument like MAVIS, this forward looking implementation of the COSMIC platform is designed to support, end-to-end, a wide range of control schemes, from classical model-based approaches up to modern data-driven methodologies. The HRTC is composed of a single node which receives sensors frames and publishes real-time telemetry through the AO RTC Internal Communication Infrastructure. It is also plugged to the Deformable Secondary Mirror (DSM), the 4 Laser Guide Stars Facility (4LGSF) steering mirrors and Jitter Mirrors (JM) through dedicated interfaces. The SRTC is split into 4 components: · HRTC Gateway: Receive real-time telemetry from the HRTC and broadcast it to other SRTC components · SRTC Gateway: · Receive commands from the Instrument Control System · Monitor and control all the processes on the SRTC · Collect metadata for archive purpose · Storage Node: Store useful telemetry data for archive and post-processing purpose · Computation Node(s): Execution of all the SRTC Data Tasks https://cosmic.pages.obspm.fr/cosmic/use_cases/micado/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/micado/ MICADO RTC MICADO is the Multi-AO Imaging Camera for Deep Observations. It will equip the ELT with a first light capability for diffraction limited imaging at near-infrared wavelengths. The instrument is optimized to work with the laser guide star multi-conjugate adaptive optics (MCAO) module developed by the MORFEO consortium. It also includes a jointly developed Single-Conjugate Adaptive Optics (SCAO) mode that uses only a single natural guide star. The RTC, designed and built at Observatoire de Paris and relying on COSMIC, shall provide all the functionalities required for MICADO SCAO test, calibration and real-time correction of turbulence and ELT defects. The functions are implemented in the different components of the RTC. The figure below depicts the actual implementation of the COSMIC platform made for the MICADO SCAO RTC. The HRTC is composed of a single node which receives sensors frames from the Internal Communication Infrastructure, and publishes real-time telemetry through the same infrastructure. https://cosmic.pages.obspm.fr/cosmic/use_cases/nenufar/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/nenufar/ NenuFar https://cosmic.pages.obspm.fr/cosmic/page/publications/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/page/publications/ COSMIC in international conferences Cetre, C. et al.,“Real-time high performance computing using a Jetson Xavier AGX”, ERTS 2022 Ferreira, F. et al.,“COSMIC: a real-time platform for signal processing pipelines”, SiPS 2022 Gratadour, D. et al.,“MAVIS RTC: a forward looking implementation of the COSMIC platform”, SPIE 2022 Sevin, A. et al.,“The MICADO first light imager for the ELT: final design and prototype of the MICADO SCAO RTC”, SPIE 2022 Engler, B. et al.,“The GPU-based High-order adaptive OpticS Testbench”, SPIE 2022 Chin, J. et al.,“Keck adaptive optics facility: real time controller upgrade”, SPIE 2022 Boccaletti, A. et al.,“Upgrading the high contrast imaging facility SPHERE: science drivers and instrument choices”, SPIE 2022 Plante, J. et al.,“A high-performance data acquisition on COTS hardware for astronomical instrumentation”, SPIE 2022 Gratadour, D. et al.,“MAVIS real-time control system: a high-end implementation of the COSMIC platform”, SPIE 2020 Biasi, R. https://cosmic.pages.obspm.fr/cosmic/use_cases/sphere/ Mon, 01 Jan 0001 00:00:00 +0000 damien dot gratadour at obspm dot fr (COSMIC Team) https://cosmic.pages.obspm.fr/cosmic/use_cases/sphere/ SPHERE+ will be an upgrade of the existing VLT instrument SPHERE which has produced a huge amount of important scientific results, primarily in the field of exoplanetary system direct imaging. This upgrade aims to enhance the current capabilities of SPHERE, mainly in terms of high contrast imaging. The instrumental concept relies on a second stage adaptive optics correction in the near infrared using a pyramid WFS and a C-RED camera. The corresponding upgrade of the RTC, SAXO+, will rely on the COSMIC platform. Following ESO standards, the SAXO+ RTC will consist of two main functional blocks:  A Hard-real-time controller (HRTC), meeting the requirements for high throughput, low latency and low jitter and taking as input pixel data from camera and providing as output the drive data for deformable mirror  A Soft-real-time cluster (SRTC), providing a computing facility for the configuration, calibration and optimization of the hard-real-time pipeline (supervisor) and for data telemetry and storage (telemetry) The figure below depicts the overall architecture of SAXO+.