The project E-Vectoorc (Electric Vehicle Control of Individual Wheel Torque for Onand Off-Road Conditions) targets the development of an integrated controller for vehicle dynamics and energy efficiency for fully electric vehicles with one to four electric motors. The project is funded within the 7th European Union Framework Programme and unites two OEMs (Jaguar Land Rover, Skoda Auto), one supp...

The problem of energy saving and environment protection has become more and more crucial in China. China's energy development process shows that the development of pure electric vehicle to China's energy structure optimization and the construction of the ecological environment. New promising technology that makes the problem solved is reviewed in this paper, including current status of electric...

Battery operated electric vehicles (BEVs) offer the opportunity of running a zero-emission car fleet. However, due to their current range constraints, electric vehicle operations are mainly attractive for inner-city transport, such as the taxi business. This paper is bringing together facts and assumptions about Berlin’s taxi transport and the current conditions of BEVs in Germany to provide th...

In this paper, an intelligent electric power steering system is proposed to replace a traditional hydraulic power steering system and implemented in a real light hybrid electric vehicle. An intelligent fuzzy control algorithm is applied to yield basic assist logic, return compensation logic, damping compensation logic, and inertia compensation logic in an assist steering system. According to st...

Based on the structural features of electric vehicle (EV) driven by in-wheel motors and the characteristics of low speed as well as high torque for in-wheel motors, regenerative braking method for in-wheel motors has been presented. All braking torque for vehicle deceleration is output by in-wheel motors under Medium-intensity braking condition for the sake of recovering the maximum braking ene...

This paper presents a unique learning and research experience for students from mechanical and electrical engineering majors in a course on senior design projects involving research & development, design and production of a proof-of-concept electric vehicle, the ZEM (Zero EMissions) vehicle. The ZEM vehicle combined positive aspects and latest technologies in electric vehicle design, solar/elec...

Extended-range electric vehicle is considered to be the ideal transition type for electric vehicle. The optimal operation curve control strategy was proposed for a 12 meter-long range extended electric bus. With exponential function inertia weight adjustment and local chaos substitution, an improved chaotic particle swarm optimization algorithm was applied to optimize the key parameters of ener...

Hideki Miyazaki Tatsuyuki Yamamoto Hitoshi Kobayashi Atsushi Yokoyama OVERVIEW: Hitachi researches and develops control technologies and systems for electric vehicle motors that provide better energy effi ciency and safety. This has included using an EV test vehicle to demonstrate the use of the electric motor in traction control and antilock braking, utilizing the rapid changes in torque made ...

Automobile emissions such as carbon dioxide, nitrogen oxide and particulate matter are coming under progressively strict regulations worldwide. Meeting the increasingly severe requirements will require wider use of electric vehicles, including hybrid electric cars, and of high-efficiency electrified powertrains for better fuel economy. For this, implementation of still more compact, higher outp...

Vehicle-to-grid power (V2G) uses electric-drive vehicles (battery, fuel cell, or hybrid) to provide power for specific electric markets. This article examines the systems and processes needed to tap energy in vehicles and implement V2G. It quantitatively compares today’s light vehicle fleet with the electric power system. The vehicle fleet has 20 times the power capacity, less than one-tenth th...