This paper presents a thermal investigation of lightweight on-board receiver modules wireless power transfer systems for electric vehicles. The studied are capable receiving up to 11 kW at resonance frequency 85 kHz over distance 110–160 mm. were built as sandwich and space–frame concept design stiff structures. high transmission automotive combined with the multi-part assembly led challenges in heat management. To address this, physical behaviour proposed concepts on component system level...

While most wireless power transfer (WPT) systems are designed for mobile application such as automotive or consumer electronics, there was no special focus on a lightweight design. In this paper losses of WPT coils analyzed in detail with 2D FEM methods and the results lead to new design rules coils. general more conductive material increases weight electrical efficiency. But is an optimal efficiency increasing amount will decrease it.

Fiber-reinforced polymers are increasingly being used, especially in lightweight structures. Here, the effective adaptation of mechanical or physical properties to necessary application manufacturing requirements plays an important role. In this context, alignment reinforcing fibers is often hindered by aspects. To achieve graded locally adjusted different fiber lengths, common technologies such as injection molding compression need be supported external non-mechanical process. Magnetic...

The thermal management of vehicular wireless power transfer modules featuring a high volumetric density is major challenge. Taking into account the interaction electromagnetic and field leads to extensive computational effort for simulative prediction behavior. One approach reducing required use one-way coupled simulations. In this context, presented paper addresses quantitatively comparison two-way electromagnetic-thermal simulation models predict behavior an exemplary module. performed...

The dimensioning of wireless power transfer systems requires compliance with safety standards for human exposure and electromagnetic compatibility. For this reason, shielding is conventionally carried out heavy costly plates. In order to evaluate a lightweight low-cost alternative, paper presents comprehensive investigation the effectiveness metal meshes in magnetic fields systems, including analytical modeling experimental validation. Special emphasis laid on validation novel approximation...

The thermal management of the vehicular module is key to design efficient wireless power transfer systems. In order predict behavior by simulation, mutual interaction electromagnetic and fields must be taken into account. This multiphysical coupling leads extensive computational effort. One approach reduce complexity limiting interdependencies between domains one-way coupling. paper examined applicability two-way for prediction an exemplary module. electromagnetic–thermal proposed was...

The application of hybrid yarns and their further processing to textile preforms enforce adapted manufacturing processes. Furthermore, a consolidation cross-section varying parts requires an mold core system for reproducible production process. Similarly, the facilitates low pressures thus favors integration electronic components in fibre-reinforced thermoplastic parts. In this paper, analyses boundary conditions process sensor elements complex spacer structures are presented.

The functional and spatial integration of a wireless power transfer system (WPTS) into electric vehicles is challenging task, due to complex multiphysical interactions strict constraints such as installation space limitations or shielding requirements. This paper presents an electromagnetic–thermal investigation novel design approach for ultrathin onboard receiver unit WPTS, comprising the coil, ferromagnetic sheet metal mesh wire vehicular underbody cover. To supplement process, two-way...

If the energy transfer for charging traction battery of an electric vehicle takes place wirelessly and with inductive components, active area system must be monitored safety reasons presence or intrusion metallic objects that do not belong to system. In past, different concepts such monitoring have been described. this paper, passive sensors are used characterized based on practical measurements. With type sensor, detectability foreign is very closely related characteristics magnetic field...

This paper presents a systematic approach to the functional integration of an on-board unit wireless power transfer systems electric vehicles into underbody cover. On-board units consist macro-scaled elements with high interdependencies. The these requires multidisciplinary end-to-end consideration cross-domain and To manage this complexity, problem-specific purpose-oriented is required. Based on existing V-Model VDI 2206, proposed considers simultaneously domains electronics, mechanics,...

Abstract Fiber-reinforced composites are progressively more used in a variety of industrial applications. In recent years, carbon fiber-reinforced plastics have become increasingly popular, particularly the aerospace sector because they offer outstanding mechanical properties combined with low weight. However, orientation and distribution fibers significant effect on physical composite materials. Using conventional manufacturing technologies, it is not always technologically possible to...

During wireless charging of the traction battery electrically powered vehicles, active area between ground and vehicle assemblies must be monitored for inductive power transfer. If metallic foreign objects enter this area, they interact with magnetic field can heat up strongly, thus become a potential source hazard. To detect such objects, measurements based on passive sensors have already been carried out in advance. However, large number factors influence detectability as characteristics...

This paper presents a systematic design approach to the development of functionally integrated mechanical-electrical lightweight systems. The these systems requires end-to-end consideration all product domains involved, aspects and their mutual interdependencies. To manage this complexity, specialized is developed, which extends V-model VDI 2206 problem-specific purpose-oriented. In line with proposed approach, work conception evaluation three on-board receiver units automotive wireless...

Foreign object detection (FOD) is considered a key method for detecting objects in the air gap of wireless charging system that could pose risk due to strong inductive heating. This paper describes novel metallic utilizing principle electric time domain reflectometry. Through an analytical, numerical and experimental investigation, two parameters design transmission lines are identified investigated with respect specific constraints power transfer. For this purpose, transient electromagnetic...