Categories - Renewable Energy

Sub Categories

Topics

geothermal, solar-cells, pvoutput, wave-energy, wind-turbines, scada, aeroelasticity, fault-detection, wind-power, modelica-library, offshore-wind-platforms, amrex, ecp, exascale-computing, potential-flow, boundary-element-method, geothermal-energy, marine-renewable-energy, process-simulation, collision-risk, migratoryspecies, offshore-wind, seabirds, rotorcraft, aircraft, openfoam, bifacial, aerodynamics, raytracing, optics, balkonkraftwerk, openmdao, deye, inverter, sunsynk, buckling, cylinders, rotor, aeroacoustics, design-of-offshore-steel-structures, dnv-os-c101, dnvgl-os-c101, dnvgl-rp-c201, dnvgl-rp-c203, fatigue-analysis, girder, gui-based, naval-architecture, plate-thickness, plates, structural-engineering, hoymiles, exawind, systems-engineering, wisdem, propeller, bemt, ray-tracing, rigorous-coupled-wave, transfer-matrix-method, bem, vtol, vpm, crne-solar, vortex-methods, outback-mate, packets, renogy, renogy-rover, slack, slack-bot, solarthing, solcast, analysis-framework, beam-section, surface-tension, thermal-conductivity, vapor-pressure, viscosity, scr-2927, halide-ion-migration, perovskite-solar-cells, non-governmental-organization, solax, scr-1647, simulink, wec-sim, borefields, sizing, heatexchanger, detection-boxes, detector-model, keras, model-detection, photovoltaic-panels, yolo3, unsupervised-machine-learning, hut23-425, energy2d, finite-difference-time-domain, multiphysics, scr-2490, les, low-mach, ste, deeplabv3, deepsolar, inception-v3, network-planning, neurips-2020, pv-systems, solar-panels, ocean-wave-energy-converters, potential-flow-theory, wave-structure-interaction, scr-1551, dweet, freeboard, modbus-sungrow, sungrow-inverter, aeronautics, structural-dynamics, structures, cheminformatics, density, equation-of-state, heat-capacity, molecule, solubility, semiconductor, agroclimatology, agroclimatology-data, nasa-power, weather-variables, home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, operations-maintenance, simpy, carbon-sequestration, coupled-heat-mass, multiphase-transport, nuclear-waste-repositories, porous-flow, reactive-chemistry, simulation-modeling, soil-vapor, subsurface-hydrology, subsurface-remediation, borehole-image-analysis, fracture, fracture-mechanics, solenso, tsun, radiance, compliance, low-carbon-systems, actuator-line, airfoils, blade-element, turbines, defects, electronic-structure, materials-design, semiconductors, custom-cards, chakra-ui, wind-farm, cloud-motion-prediction, generative-models, photovoltaic-power, probabilistic-solar-forecasting, sky-images, stochastic-video-prediction, amr, pv-simulator, shading-effects, repair, reuse, water-wave, boundary-element, hydrodynamic-coefficients-viewer, mesh-processing, meshviewer, balkonpv, ecosystem-models, phenotyping, degradation, duramat, photovoltaic-systems, pv-modules, geothermal-reservoirs, golem, moose-framework, beam-irradiance, flight-simulation, sun-position, irradiance, ninja, scr-2609, snl-visualization, photovoltaics-dashboard, fractures, mplstereonet, structural-geology, solar-concentrating-systems, bioreactor, inverse-modelling, meshing, biochemical-process, bioprocess, biorefinery, centrifuge, distillation, fermentation, flash, heat-exchanger, unit-operation, mhkit, sofar, sol-ark, solarman, solis, circularity, circularity-metrics, lifetime, mass-flow,

Projects

Contributors

LucidityCrash [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: octopus, octopus-agile, octopus-energy, deye, inverter, sofar, sol-ark, solar, solarman, solis and 1 more

allx [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Ben Agricola [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Harald Funk [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Tommaso Toniolo [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Harald Funk [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

agirilovich [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Kushal Beniwal [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: photovoltaic, renewable-energy, renewables, solar-energy

Aliaksei Hirylovich [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Fabrizio Romanelli [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: deye, inverter, sofar, sol-ark, solar, solarman, solis, sunsynk

Ian Bell [email protected]

OST Projects: 1
Categories: Emissions, Renewable Energy
Sub Categories: Carbon Capture, Photovoltaics and Solar Energy
Topics: fluid-properties, thermodynamics, closember, ipython, notebook, repl, spec-0, binder, genetic-programming, symbolic-regression and 4 more

Seimen [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Geothermal Energy
Topics: chemical-engineering, cheminformatics, chemistry, combustion, density, environmental-engineering, equation-of-state, heat-capacity, molecule, physics and 7 more

u0169319 [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Geothermal Energy
Topics: borefields, geothermal, geothermal-energy, sizing

Hassan Kassem [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:

chongseokchoi [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

alexdelli [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, solar-energy, cycling, power-meter, qt, triathlon

Tomasz [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: varta, varta-storage, home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, solar-energy, benchmarking

Rob Long [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, solar-energy, abfall, abfallnavi, abfallplus, garbage and 10 more

Sebastian Englbrecht [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: home-assistant-integration, huawei, huawei-solar, modbus-rtu, modbus-tcp, solar-energy

cansinobl [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics: biochemical-process, bioprocess, biorefinery, centrifuge, chemical-engineering, distillation, fermentation, flash, heat-exchanger, life-cycle-assessment and 8 more

cortadocodes [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine, renewable-energy, renewables, wind-energy-analytics, data-service and 10 more

Arturo Reyes Lopez arturo_reyes_lopez@hotmail

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics:

Thomas Basler [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: asyncwebserver, cmt2300, esp32, hoymiles, nrf24, pv, ahoy, opendtu, solar-energy, tft-display and 5 more

Markus Krause [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: asyncwebserver, cmt2300, esp32, hoymiles, nrf24, pv, balkonkraftwerk, platformio, solar, solenso and 1 more

fischaxe [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

vaterlangen [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: bk-g4-at, debian, libsml-smart-meter, mbus-devices, mt681, smartmeter, sml, balkonkraftwerk, esp32, hoymiles and 4 more

CommanderRedYT [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Pierre Kancir [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

KlausStangl [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

battifreund [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Florian Mösch [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Gregor Wolf [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: cloud-sdk-documentation, continuous-delivery, sap, sap-btp, sap-business-technology-platform, sap-cloud-platform, sap-cloud-sdk, featured, openui5, build-tool and 13 more

Moritz Lerch [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: climate, climate-action, climate-change, climate-crisis, climate-justice, sustainability, balkonkraftwerk, esp32, hoymiles, platformio and 3 more

Bernhard Roth [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

dAjaY85 [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: asyncwebserver, cmt2300, esp32, hoymiles, nrf24, pv, balkonkraftwerk, platformio, solar, solenso and 1 more

jdloic [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

maexsp [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Dominik Westner [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Ingo Theiss [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: varta, varta-storage, climate, dehumidifiers, fans, heaters, humidifiers, lights, pool-heaters, switches and 8 more

MrReSc [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Dennis Rathjen [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: dtu, hoymiles, opendtu, solar, administration, hacs, hacs-integration, homeassistant-custom-component, homeassistant-integration, device and 10 more

kevo331 [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine

Guillaume Jacquenot [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: bleeding-edge, computer-algebra, modern, sympy, debugging, hdf5, linux-tools, mpi, netcdf4, openmp and 34 more

Ganesh Vijayakumar [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine

Lu Wang [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine

Chao Li [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aeroelasticity, wind, wind-energy, wind-farm, wind-power, wind-turbine

Philip Ohnewein [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Marnoch Hamilton-Jones [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Lukas Feierl [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Philip Ohnewein [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Peter Zauner [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

m.hamilton-jones [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Kyle Pressel [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: amrex, atmospheric-modelling

vlianCMU [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

zhanghaoc [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Jose St Louis [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Jakub Darmach [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: photovoltaic, solar, solax

Michael Deceglie [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Perry, Kirsten [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Ingraham, Daniel James (GRC-LTV0) [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aerodynamics, aircraft, bem, bemt, propeller, rotor, rotorcraft, wind-turbine, aircraft-design, aircraft-performance and 13 more

Paul Crook [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:

Regis Thedin [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: high, lab, laboratory, national, nrel, renewable, slurm, training, amr, amrex and 4 more

AnzeZadr [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: custom-cards, deye, inverter, powerflow, solar, sunsynk

hrsvrn [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Joshi [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

David Österberg [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: closember, ipython, notebook, repl, spec-0, operations-maintenance, simpy, wind-energy

David Whiteside [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Milo Davis [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

olivia-bentley [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:

amralaa95 [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:

Vsevolod Volkov [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: custom-cards, deye, inverter, powerflow, solar, sunsynk

maybetaken [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: custom-cards, deye, inverter, powerflow, solar, sunsynk

rmorenoramos [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: aeroelasticity, aeronautics, structural-dynamics, structures, wind-turbines

Nick Thrower [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics: activerecord, audit

Benjamin Vial [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: multiscale-simulation, optics, physics, ray-tracing, raytracing, rigorous-coupled-wave, solar-cells, transfer-matrix-method, Finite Element Method, electromagnetism and 1 more

mborsetti [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: airports, iata-codes, icao-codes, markdown-parser

Miguel Sánchez de León Peque [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: photovoltaic, renewable-energy, renewables, solar-energy, pytest, repeat, alignment, flexible, cython, zeromq and 1 more

Philip Cardiff [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: cfd, closember, fluiddyn, fluidsim, jinja2, nek5000, snek5000

Felix Yan [email protected]

OST Projects: 1
Categories: Consumption, Renewable Energy
Sub Categories: Buildings and Heating, Wind Energy
Topics: geometry, openmdao, formatter, gym-environments, rl-environment, social-dilemmas, aarch64, arm64, community, deno and 424 more

Łukasz Stelmach [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: blog-engine, jekyll, liquid

Keren Zhou [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: amr, amrex, ecp, exascale-computing, wind, wind-turbines, blt, llnl, parallel-computing, portability and 8 more

Brandon Wood [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Hydro Energy
Topics:

DirkS [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

CSchoch [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Simon Schwarz [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Rene [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Markus Dobel [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Tobias Diedrich [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Stefan Seifert [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Hacks [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: balkonkraftwerk, esp32, hoymiles, platformio, solar, solenso, tsun

Luigi [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics: photovoltaic, semiconductor, solar-cells, hut23, hut23-222, data-mining, time-series-classification, time-series-regression, conda, dependencies and 25 more

Sukhil Patel [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Herbrax [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Mars Tan [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

xmingandrew [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Photovoltaics and Solar Energy
Topics:

Bruce Perry [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics:

Brandon Blakeley [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Wind Energy
Topics: amrex, atmospheric-modelling

Kevin Hashimoto [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics: compliance, dds, low-carbon-systems

Prashanth [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics: compliance, dds, low-carbon-systems

prv-proton [email protected]

OST Projects: 1
Categories: Renewable Energy
Sub Categories: Bioenergy
Topics: compliance, dds, low-carbon-systems