Sökning: "Lars Johannesson"
Hittade 4 avhandlingar innehållade orden Lars Johannesson.
1. On Energy Management Strategies for Hybrid Electric Vehicles
Sammanfattning : Hybrid electric vehicles are characterized by the existence of an electric energy buffer in the powertrain. Compared to a conventional vehicle the existence of the buffer means an extra degree of freedom in the powertrain. LÄS MER
2. Predictive Control of Hybrid Electric Vehicles on Prescribed Routes
Sammanfattning : At the highest level in the powertrain control system in a hybrid electric vehicle an energy management controller interprets the driver’s pedal actions as a torque that is to be delivered at the powertrain output. The energy management controller distributes this torque between the engine and the electric machines and decides when to change gear and when to turn off the engine for pure electric propulsion. LÄS MER
3. What is a life worth? : methodological issues in estimating the value of a statistical life
Sammanfattning : This thesis addresses methodological issues in estimating the value of a statistical life (VSL). Two main approaches have been used to estimate the VSL, the indirect and direct methods; the indirect method is based on revealed preferences, such as the wage premium demanded for a risky job. LÄS MER
4. Digitala pionjärer : Datorkonstens introduktion i Sverige
Sammanfattning : The aim of this thesis is to study Computer Art in Sweden from 1966 to 1986. The first Swedish artists who used computers in their work appeared during this period and the art arena was technically transposed into something new and infrequently scrutinised. LÄS MER