{"project":{"acronym":"","projectId":16841,"title":"Advanced Solid State Lighting for AES Deep Space Hab","primaryTaxonomyNodes":[{"taxonomyNodeId":10686,"taxonomyRootId":8816,"parentNodeId":10682,"level":3,"code":"TX06.1.4","title":"Habitation Systems","definition":"Habitation systems enable the crew to efficiently utilize vehicle systems (i.e. ECLSS), maintain vehicle hygiene including through uncrewed mission periods, store/prepare/consume food, perform crew hygiene, and sleep effectively.","exampleTechnologies":"Distributed and integrated lighting and noise mitigation, long-wear clothing or clothes cleaning, lightweight crew quarters with minimal CO2 accumulation, lightweight mobility aides, smart habitat automation of crew housekeeping (vacuum cleaner) and maintenance functions, high oxygen compatible fabrics, reusable/repurposable packaging materials","hasChildren":false,"hasInteriorContent":true}],"startTrl":4,"currentTrl":5,"endTrl":5,"benefits":"
This project benefits the next generation of lighting for ISS. The SSLAs scheduled to launch in 2016 are only manually selectable. There is no simulated diurnal cycle to assist with circadian entrainment which may assist in alleviating some symptoms of isolation and help with crew sleep.
For long duration space flight beyond low earth orbit, sleep cycles and circadian entrainment must be optimized to keep crew functioning at peak efficiency. Similarly, crew must have as familiar an environment as possible to alleviate feeling of alienation. Lighting simulating a modified diurnal cycle, capable of using light therapy to facilitate crew day shifting and provide sleep therapy is required.
Any commercial space partner interested in long term habitation of space will need to assure the efficacy of crew and have a desire to ensure sufficient restful sleep.
This technology has benefits to assist with any agency using shift workers. It has the potential to augment alertness by suppressing melatonin production.
","description":"The advanced Solid State Lighting (SSL) assemblies augmented 2nd generation modules under development for the Advanced Exploration Systems Deep Space Habitat in using color therapy to synchronize crew circadian rhythms. Current RGB LED technology does not produce sufficient brightness to adequately address general lighting in addition to color therapy. The intent is to address both through a mix of white and RGB LEDs designing for fully addressable alertness/relaxation levels as well as more dramatic circadian shifts.
Advanced solid state lighting assemblies were built for inclusion in the Advanced Exploration Systems ISS-derived Deep Space Habitat concept demonstrator. The augmented second generation assemblies were modified versions of the first generation custom commercial lighting, using the same form factor, power supply, and balanced white light LED components. This effort replaced the manual adjustments with an interface to the Deep Space Habitat (DSH) Concept Demonstrator avionics allowing full control of the general purpose white lights to simulate a full terrestrial day. Modifications allowed additional RGB lighting to be added to the existing fixtures and accessed through the same avionics. Circadian synchronization can be addressed on an as needed basis, obviating crew stress of non-white light dominance. The completed lights were then installed in the concept demonstrator at Marshall Space Flight Center. They were part of the ISS-derived DSH concept assessment.
These lights were then evaluated by Dr. Phil Sloane of UNC-Chapel Hill and Dr. Mariana Figuiero of the Lighting Research Center at RPI. The team at LRC/RPI made measurements and the joint UNC/RPI team provided a subjective assessment based on their expertise with sleep disorders and light therapy.
","startYear":2013,"startMonth":1,"endYear":2014,"endMonth":4,"statusDescription":"Completed","principalInvestigators":[{"contactId":136164,"canUserEdit":false,"firstName":"Eirik","lastName":"Holbert","fullName":"Eirik Holbert","fullNameInverted":"Holbert, Eirik","primaryEmail":"eirik.holbert-1@nasa.gov","publicEmail":true,"nacontact":false}],"programManagers":[{"contactId":37541,"canUserEdit":false,"firstName":"Barbara","lastName":"Brown","fullName":"Barbara L Brown","fullNameInverted":"Brown, Barbara L","middleInitial":"L","primaryEmail":"barbara.l.brown@nasa.gov","publicEmail":true,"nacontact":false}],"projectManagers":[{"contactId":363469,"canUserEdit":false,"firstName":"Pamela","lastName":"Mullenix","fullName":"Pamela A Mullenix","fullNameInverted":"Mullenix, Pamela A","middleInitial":"A","primaryEmail":"pamela.a.mullenix@nasa.gov","publicEmail":true,"nacontact":false}],"website":"","libraryItems":[{"caption":"Augmented 2nd generation Custom Commercial Solid State Lighting Assembly for","file":{"fileExtension":"jpg","fileId":4034,"fileName":"newsingle","fileSize":152669,"objectId":3216,"objectType":{"lkuCodeId":889,"code":"LIBRARY_ITEMS","description":"Library Items","lkuCodeTypeId":182,"lkuCodeType":{"codeType":"OBJECT_TYPE","description":"Object Type"}},"objectTypeId":889,"fileSizeString":"149.1 KB"},"files":[{"fileExtension":"jpg","fileId":4034,"fileName":"newsingle","fileSize":152669,"objectId":3216,"objectType":{"lkuCodeId":889,"code":"LIBRARY_ITEMS","description":"Library Items","lkuCodeTypeId":182,"lkuCodeType":{"codeType":"OBJECT_TYPE","description":"Object Type"}},"objectTypeId":889,"fileSizeString":"149.1 KB"}],"id":3216,"title":"Solid State Light for Circadian Entrainment","description":"Augmented 2nd generation Custom Commercial Solid State Lighting Assembly for","libraryItemTypeId":1095,"projectId":16841,"primary":true,"publishedDateString":"","contentType":{"lkuCodeId":1095,"code":"IMAGE","description":"Image","lkuCodeTypeId":341,"lkuCodeType":{"codeType":"LIBRARY_ITEM_TYPE","description":"Library Item Type"}}}],"transitions":[],"primaryImage":{"file":{"fileExtension":"jpg","fileId":4034,"fileSizeString":"0 Byte"},"id":3216,"description":"Augmented 2nd generation Custom Commercial Solid State Lighting Assembly for","projectId":16841,"publishedDateString":""},"responsibleMd":{"acronym":"MSD","canUserEdit":false,"city":"","external":false,"linkCount":0,"organizationId":4910,"organizationName":"Mission Support Directorate","organizationType":"NASA_Mission_Directorate","naorganization":false,"organizationTypePretty":"NASA Mission Directorate"},"program":{"acronym":"KSC IRAD","active":true,"description":"
The Center Chief Technologist at Kennedy Space Center sponsors one or more internal solicitations throughout each year depending on available funds. These NASA internal solicitations use a blend of Independent Research and Development (IRAD), Center Innovation Fund (CIF) and/or Core Technical Capabilities (CTC) Special Studies funds to stimulate and encourage technology development, creativity, and innovation.
The objective is to address the technology needs and gaps of the Agency, as well as the nation. For these reasons, IRAD funds distributed to Kennedy Space Center support emerging technologies and creative initiatives that leverage the Center’s talent pool and unique capabilities. The program consists of relatively short term projects (typically a year or less in duration) which are awarded internally through a competitive proposal process at the discretion of the Center Chief Technologist. Basic criteria for the program have been outlined by NASA Office of the Chief Technologist (OCT) with fair latitude at the discretion of each Center Chief Technologist.
","parentProgram":{"acronym":"IRAD","active":true,"programId":87,"responsibleMd":{"acronym":"MSD","canUserEdit":false,"city":"","external":false,"linkCount":0,"organizationId":4910,"organizationName":"Mission Support Directorate","organizationType":"NASA_Mission_Directorate","naorganization":false,"organizationTypePretty":"NASA Mission Directorate"},"responsibleMdId":4910,"title":"Center Independent Research & Development"},"parentProgramId":87,"programId":156,"responsibleMd":{"acronym":"MSD","canUserEdit":false,"city":"","external":false,"linkCount":0,"organizationId":4910,"organizationName":"Mission Support Directorate","organizationType":"NASA_Mission_Directorate","naorganization":false,"organizationTypePretty":"NASA Mission Directorate"},"responsibleMdId":4910,"title":"Center Independent Research & Development: KSC IRAD"},"leadOrganization":{"acronym":"KSC","canUserEdit":false,"city":"Kennedy Space Center","country":{"abbreviation":"US","countryId":236,"name":"United States"},"countryId":236,"external":false,"linkCount":0,"organizationId":4905,"organizationName":"Kennedy Space Center","organizationType":"NASA_Center","stateTerritory":{"abbreviation":"FL","country":{"abbreviation":"US","countryId":236,"name":"United States"},"countryId":236,"name":"Florida","stateTerritoryId":46},"stateTerritoryId":46,"naorganization":false,"organizationTypePretty":"NASA Center"},"statesWithWork":[{"abbreviation":"FL","country":{"abbreviation":"US","countryId":236,"name":"United States"},"countryId":236,"name":"Florida","stateTerritoryId":46}],"lastUpdated":"2018-10-10","releaseStatusString":"Released","viewCount":818,"endDateString":"Apr 2014","startDateString":"Jan 2013"}}