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Visar resultat 1 - 5 av 18 avhandlingar som matchar ovanstående sökkriterier.

1. 1. Bränsle för den moderna nationen : Etanol och gengas i Sverige under mellankrigstiden och andra världskriget

   Författare :Helena Ekerholm; Bosse Sundin; Jonny Hjelm; Arne Kaijser; Umeå universitet; []
   Nyckelord :HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; HUMANIORA; HUMANITIES; alternative fuels; ethanol; wood gas; energy policy; controversy; history of biofuels; alternative technology; social constructions of technology; socio-technical systems; political debate; socio-technical debate; history of technology; automotive history.; drivmedel; etanol; generatorgas; gengas; drivmedelsalternativ; biodrivmedel; förväntningar; kontrovers; sociotekniska system; sociala konstruktioner av teknik; alternativ teknik; politik; teknikdebatt; energipolitik; mellankrigstiden; andra världskriget; autarki; socioteknisk debatt; automobilhistoria; motorhistoria; historia; History;

   Sammanfattning : This thesis investigate Swedish policy-making concerning promotion of wood gas and ethanol distilled from fermented sulphite lye as domestic fuel alternatives in the Interwar years and World War II. With a departure point in the theories of social constructions of technology (SCOT), the sociology of expectations and Thomas P. LÄS MER

3. 2. The emergence of innovation ecosystems: Exploring the role of the keystone firm

   Författare :Gouthanan Pushpananthan; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; HUMANIORA; HUMANITIES; SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; autonomous cars; ecosystem; dominant design; innovation; Technology;

   Sammanfattning : During periods of technological change, firms seek new collaborations and sometimes even reach out to competitors in order to obtain new resources and competences. Understanding the collaborations surrounding new technologies has implications for firms pursuing opportunities with new technologies. LÄS MER

4. 3. Synchronous Belt Mechanics and Durability - An Investigation Towards Life Prediction

   Författare :Tomas Johannesson; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; load distribution model; synchronous; camshaft drives; mathematical modelling; timing; belt; dynamic; wear; simulation; automotive; belt life prediction;

   Sammanfattning : An automotive synchronous belt transmits power and assures accurate timing between the crankshaft and camshafts. The automotive industry is very competitive: there is constant pressure to increase performance and lower costs. LÄS MER

5. 4. Securing the Next Generation Web

   Författare :Benjamin Eriksson; Chalmers tekniska högskola; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Browser extensions; Input validation; Web Application Security; Content Security Policy; Vulnerabilities; Android Automotive; Web application scanning;

   Sammanfattning : With the ever-increasing digitalization of society, the need for secure systems is growing. While some security features, like HTTPS, are popular, securing web applications, and the clients we use to interact with them remains difficult. To secure web applications we focus on both the client-side and server-side. LÄS MER

7. 5. Adaptive model-based battery management - Predicting energy and power capability

   Författare :Björn Fridholm; Chalmers tekniska högskola; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; state-of-charge estimation; state estimation; lithium-ion batteries; Battery management; parameter estimation;

   Sammanfattning : The battery is the limiting system for automotive electrication due to cost, size, and uncertain degradation. To be competitive the battery must therefore be used optimally. LÄS MER