{"id":"https://openalex.org/A5073733381","orcid":"https://orcid.org/0000-0003-4774-8852","observed_orcids":["https://orcid.org/0000-0003-4774-8852"],"display_name":"Matthias Kalla","raw_author_names":["Matthias Kalla"],"full_name":"Matthias Kalla","works_count":8,"cited_by_count":6,"summary_stats":{"2yr_mean_citedness":0.3333333333333333,"h_index":1,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5073733381","orcid":"https://orcid.org/0000-0003-4774-8852","observed_orcids":["https://orcid.org/0000-0003-4774-8852"]},"affiliations":[{"institution":{"id":"https://openalex.org/I114112103","ror":"https://ror.org/0304hq317","display_name":"Leibniz University Hannover","country_code":"DE","type":"education","lineage":["https://openalex.org/I114112103"]},"years":[2023,2022,2020,2019]},{"institution":{"id":"https://openalex.org/I4210159473","ror":"https://ror.org/05ptp9d64","display_name":"Fraunhofer Institute for Energy Economics and Energy System Technology","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210159473","https://openalex.org/I4923324"]},"years":[2025,2024]}],"last_known_institutions":[{"id":"https://openalex.org/I4210159473","ror":"https://ror.org/05ptp9d64","display_name":"Fraunhofer Institute for Energy Economics and Energy System Technology","country_code":"DE","type":"facility","lineage":["https://openalex.org/I4210159473","https://openalex.org/I4923324"]}],"topics":[{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","count":7,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10305","display_name":"Power System Optimization and Stability","count":2,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10504","display_name":"Sensorless Control of Electric Motors","count":2,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11222","display_name":"Magnetic Properties and Applications","count":2,"subfield":{"id":"https://openalex.org/subfields/2504","display_name":"Electronic, Optical and Magnetic Materials"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10511","display_name":"High voltage insulation and dielectric phenomena","count":1,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"topic_share":[{"id":"https://openalex.org/T10278","display_name":"Electric Motor Design and Analysis","value":2.21e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11343","display_name":"Power Transformer Diagnostics and Insulation","value":1.23e-05,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10504","display_name":"Sensorless Control of Electric Motors","value":9.3e-06,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11524","display_name":"Advanced Aircraft Design and Technologies","value":8.4e-06,"subfield":{"id":"https://openalex.org/subfields/2306","display_name":"Global and Planetary Change"},"field":{"id":"https://openalex.org/fields/23","display_name":"Environmental Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10740","display_name":"Wind Turbine Control Systems","value":7.8e-06,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"x_concepts":[{"id":"41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","score":0.5190861225128174},{"id":"127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","score":0.4490000009536743},{"id":"171146098","wikidata":"https://www.wikidata.org/wiki/Q124192","display_name":"Automotive engineering","score":0.42047759890556335},{"id":"119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","score":0.37860000133514404},{"id":"121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","score":0.30378487706184387}],"counts_by_year":[{"year":2019,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2020,"works_count":1,"oa_works_count":0,"cited_by_count":1},{"year":2022,"works_count":1,"oa_works_count":0,"cited_by_count":2},{"year":2023,"works_count":2,"oa_works_count":0,"cited_by_count":1},{"year":2024,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2025,"works_count":2,"oa_works_count":0,"cited_by_count":1}],"display_name_alternatives":["Matthias Kalla"],"block_key":"m kalla","works_api_url":"https://api.openalex.org/works?filter=author.id:A5073733381","updated_date":"2026-10-10T12:59:14","created_date":"2025-10-10T00:00:00"}
