By Marco Ottella, Pietro Perlo, Ovidiu Vermesan, Reiner John, Kees Gehrels, Harald Gall (auth.), Gereon Meyer, Jürgen Valldorf (eds.)
The vehicle of the longer term has to fulfill basic standards: the super-efficient use of power and tool and the ultra-safe transportation of individuals and items either positive aspects are more and more enabled by means of shrewdpermanent, adaptive and context conscious details and conversation applied sciences (ICT), electric or digital parts and structures instead of completely via the mechanical technique of vintage automobile engineering. the main complicated instance of this pattern is the electrified car combining an entire electrical powertrain with thoroughly digital controls like shrewdpermanent strength and effort managers, steer-by-wire applied sciences and clever networking features. it's been the project of the foreign discussion board on complicated Microsystems for automobile purposes (AMAA) for greater than twelve years now to become aware of paradigm shifts and to debate their technological implications at an early degree. for this reason, the subject of the AMAA 2010 is “Smart structures for eco-friendly vehicles and secure Mobility”. This booklet includes peer-reviewed convention papers offered on the convention by way of specialists of significant businesses and major educational associations. They record on ongoing study and novel advancements within the box of ICT, elements and structures allowing the car and highway shipping of the longer term. a selected concentration is on uncomplicated applied sciences and complicated functions of electrified and electrical autos, highway and passenger defense, driving force suggestions, site visitors administration and powertrain potency. because of this huge insurance of themes concerning sustainability of the car either the AMAA occasion and this ebook serve the spreading of data generated within the framework of the ecu eco-friendly autos Initiative. more information is offered on www.amaa.de.
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Additional info for Advanced Microsystems for Automotive Applications 2010: Smart Systems for Green Cars and Safe Mobility
The operating cycle in which the vehicle has been tested is characterized for 36,000 seconds of duration by continuous stops, and starts, and parking operations. The range of the vehicle is 10 hours and the maximum speed reached in the cycle is 90 km/h. The cycle is an urban nature driving cycle. In figure 1 are shown: full cycle on the left and a detail of it on the right. Fig. 1. Urban operating cycle for private use In order to do a comparison, also has been tested in the same cycle of operating a vehicle propelled by a conventional diesel engine.
Stator phase current during transition from constant to field weakening region. A reference simulation has been chosen for comparison where torque reference Tref has been fixed to the motor maximum overload value. ). In this way it is possible to evaluate the efficiency, the inverter losses and torque capability on the overall speed range. In Fig. 4c is shown the maximum torque capability comparison between the standard and reduced losses control. In the second case an extension of the constant torque speed range of about 15% is visible.
The ICE motor is turned off. In this configuration the vehicle becomes a 39 40 Electrified Vehicles zero emission vehicle (ZEV). In this case, the performances have a maximum speed of about 85 km/h with a range of about 40 km, evaluated with an ECE (Economic Commission for Europe Test Cycle) drive cycle and with experimental tests; Start&Stop mode: this is a hybrid use of the two previously listed modes. In facts, it has been implemented into the vehicle a control strategy by which under a certain speed threshold the vehicle is propelled by the Electrical Motor (EM) and above this threshold it is propelled by the ICE.
Advanced Microsystems for Automotive Applications 2010: Smart Systems for Green Cars and Safe Mobility by Marco Ottella, Pietro Perlo, Ovidiu Vermesan, Reiner John, Kees Gehrels, Harald Gall (auth.), Gereon Meyer, Jürgen Valldorf (eds.)