The Automated Manual Transmission system Opticruise is dependent on signals from sensors located in different parts of the Scania trucks. These signals are of different qualities and have different update frequencies. Some signals and quantities that are hard or impossible to measure are also of importance to this system. In this thesis a driveline observer for the purpose of signal improvement...

A dry clutch model with thermal dynamics is added to a driveline model of a heavyduty truck equipped with an automated manual transmission. The model captures driveline oscillations and can be used to simulate how different clutch-control strategies affect vehicle performance, drivability and comfort. Parameters are estimated to fit a heavy-duty truck and the complete model is validated with re...

This paper proposes a comparison study of energy management methods for a parallel plug-in hybrid electric vehicle (PHEV). Based on detailed analysis of the vehicle driveline, quadratic convex functions are presented to describe the nonlinear relationship between engine fuel-rate and battery charging power at different vehicle speed and driveline power demand. The engine-on power threshold is e...

This paper introduces an online and intelligent energy management controller to improve the fuel economy of a power-split plug-in hybrid electric vehicle (PHEV). Based on analytic analysis between fuelrate and battery current at different driveline power and vehicle speed, quadratic equations are applied to simulate the relationship between battery current and vehicle fuel-rate. The power thres...

Left ventricular assist devices (LVADs) provide the ability to maintain cardiac output and sustain life as a bridge to transplantation, definitive therapy, or a permanent decision. We present a case of LVAD drive infection that was differentiated from pump infection by the use of attenuation-corrected and non-attenuation-corrected CT, along with correlation with the planar images. Clinically, t...

Considering the need to optimize electric vehicle performance and impact of efficient driveline configurations in achieving this, a brief study has been conducted. The drivelines vehicles (EV) are critically examined this survey. Also, promising motor topologies for usage presented. Additionally, benefits drawbacks each kind from system viewpoint. majority commercially available EV powered by p...

This paper proposes a full-hybrid driveline based on an electric continuously variable transmission (e-CVT), which is inspired by the car industry’s most successful solution. The describes operating principle, system architecture, and control scheme of proposed driveline. An analysis four possible modes shows that e-CVT leads to performance similar conventional tractors, as well unusual feature...

This paper compares the energy economy and vertical vibration characteristics of in-wheel drive electric vehicles (IEVs), hydraulic hybrid (IHVs) centralized (CEVs). The dynamic programming (DP) algorithm is used to explore optimal consumption each vehicle. analysis shows that IEV consumes more than CEV due its relatively lower motor efficiency, even with fewer driveline components. IHV much be...

This paper investigates the dynamics of the engine driveline system for achieving accurate and online diagnostics of engine conditions using instantaneous angular speed (IAS). Based on a state space modelling approach and key structures of the system, a torsional vibration model is developed and its modal properties: modal frequency, damping ratio and shapes are evaluated. Then taking the outpu...