2011 BMW ActiveE

28 Апр 2014 | Author: | Комментарии к записи 2011 BMW ActiveE отключены
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from BMW Press Release) The step towards emission-free The BMW ActiveE.

With the world of the BMW Concept ActiveE at the beginning of just a year after the MINI E, the BMW Group underscored the and consistent continuation of its intensive and development activities in the field of mobility. This concept has now perceptible and tangible reality in the of the BMW ActiveE.

project i — and development of tomorrow’s mobility.

The BMW is the BMW Group’s next systematic towards an emission-free, mass-produced vehicle. Within the framework of i, the BMW Group is carrying out research and work on the realisation of electrically vehicles. The main focus is on the of a Megacity Vehicle (MCV) meets the demands of a sustainable solution for congested urban

For this purpose, the BMW Group is field tests on an internationally scale for the use of purely electrically vehicles in everyday road

Ongoing field tests in the USA and involving more than 600 E cars are already providing knowledge about the demands on electrically powered production Starting in 2011 in the USA, and China, a test fleet of 1000 BMW ActiveE vehicles, at the Leipzig plant, will further valuable insights the everyday use of the vehicle. The findings serve to deepen the knowledge gained on the everyday use of electric and to learn more about requirements. The feedback from testing the MINI E and the

BMW ActiveE be fed directly into series of the MCV, which the BMW Group be launching under a new sub-brand in

With the BMW ActiveE, the BMW Group is field tests on electric with a clear perspective of capability and is intensifying research electric mobility in everyday traffic. For this reason, the components and energy storage that will be used in the MCV are tested on the BMW ActiveE at a pre-production The knowledge gained will be fed into series development of the

With the BMW ActiveE, the future of mobility combining driving with CO2-free driving is one closer.

Electric mobility as a pillar of the EfficientDynamics development

In the development of groundbreaking vehicle and drive technologies within the of the EfficientDynamics strategy, the BMW Group key importance to electric mobility. EfficientDynamics the BMW Group has for some now been very successful in fuel consumption and emission through new and highly-efficient engine enhancement of aerodynamics, the use of innovative construction and intelligent engine — and with better into the bargain. For instance, CO2 of the entire vehicle fleet reduced by around one third in the 1995 to 2009. Thanks to the company is now able to realise economy advantages through the electrification of the drive train and In the medium term, the BMW Group is vehicle concepts for emission-free in larger urban areas.

In the term, EfficientDynamics means the to emission-free mobility — both battery power and produced hydrogen.

On the way to sustainable, mobility, the BMW Group now presents the major milestone — the BMW Following the MINI E, the BMW ActiveE is the BMW second electric prototype. a power output of 125 kW/170 bhp and torque of 250 Nm, the car accelerates from 0 to 100 in 9 seconds, demonstrating the dynamic and characteristics of a BMW, and as is typical of vehicles, straight from a

At the same time, newly lithium-ion energy storage facilitate a vehicle range of 160 kilometres (100 miles) in operation.

Just like the E, the BMW ActiveE is a conversion car, an vehicle based on the body of a vehicle with a combustion The BMW ActiveE integrates all electric components such as energy unit, electric motor and electronics in a vehicle body was not originally intended for this — and without compromising on or comfort in the interior. Therefore, the BMW is the BMW Group’s first electric to offer four fully-fledged and a 200-litre luggage compartment. achievement by BMW developers is even impressive in terms of the vehicle’s during the initial testing The BMW ActiveE incorporates a pilot version of the drive train and storage unit from the MCV a partly identical, partly geometry in a vehicle from a concept so that these may undergo preliminary testing.

However, except for a small in the bonnet and a smaller boot, the and the interior design is virtually the as that of the series production

Intelligent utilisation of construction to ensure optimal functionality.

The BMW is equipped with three energy storage units are positioned in the area where the block, power transmission to the wheels and the tank are to be found in a with a combustion engine. The train of the BMW ActiveE — the electric motor with and power electronics — on the rear axle in order to space. Thanks to this the BMW ActiveE corresponds to a conventional

BMW 1 Coupe with regard to interior space. Driver and passenger as well as passengers at the have the same amount of at their disposal as in the BMW 1 Series and do not have to suffer any disadvantages at all regard to headroom, legroom or room. This is due to the ideal of the power electronics, which are for functional reasons above the mounted electric motor.

a volume of 200 litres, the boot sufficient space for bottle or two 46-inch golf bags.

safety has top priority.

Within the of the conversion of the BMW 1 Series Coupe the BMW ActiveE, 350 newly developed components, which are invisible to the ensure that the car fulfils the high standards with to crash safety, construction and comfort as the original vehicle a combustion engine. One of the major in this respect was the intelligent of the energy storage units and components into the space available due to the omission of combustion components. At the same time, it was to ensure that the three energy storage units at the front end as well as the tunnel and could not be damaged or destroyed.

The end: crash structure and storage units instead of a engine.

In order to achieve the possible range, the BMW ActiveE is the limited production electric in which part of the high storage units is integrated the front end of the vehicle at the cowl. one of the three energy storage of the BMW ActiveE takes up around of the construction space normally by the combustion engine. Extensive implemented in this area optimal passenger safety in the of a crash and also ensure the high-voltage storage unit, components and battery fluid remain undamaged.

Hence the BMW meets the same high standards as a BMW 1 Series with engine, fulfilling not only safety requirements stipulated by the but also the stringent BMW corporate on passive safety, some of are even higher than required by law.

Construction measures and weight optimisation.

In to passenger crash safety, BMW engineers focused in particular on the of the required battery capacity having to compromise on interior Many of the well-thought-out solutions are to be in the details. For example, a modified housing in the undercarriage facilitates a tunnel volume without the amount of space available to

In another area, a slightly centre console angle more construction space in increased battery capacity.

in order to increase the car’s even further, it was necessary to the overall weight of the vehicle to a minimum. The conversion concept certain limits for weight as the concept necessitates the incorporation of parts, nevertheless the engineers on the BMW ActiveE have managed to the best possible reduction in Throughout the entire development all new components were constantly with regard to function and

Consequently, the BMW ActiveE offers the possible solution in terms of reduction within the framework of a concept. However, weight-optimised mobility can only be demonstrated in the of a purpose-built car such as the MCV, as it is adapted to the conditions and requirements of mobility.

The design: clearly a clearly a very special

The BMW ActiveE is based on the BMW compact-class known for its outstanding agility and — the BMW 1 Series Coupe. its powerful-looking proportions, the BMW ActiveE for compact agility, the convex-concave vocabulary giving the vehicle an more dynamic appearance. specific visual interior and accents give indication of the character of the purely electrically BMW.

Silver coloured, graphic elements on an Electric background run over the entire White car body. The intentional of the graphic elements gives the a uniquely distinctive and agile the blue shadowing providing depth.

Furthermore, the flowing of the scoop in the bonnet differentiates the design of the BMW ActiveE from a BMW 1 Series Coupe. It provides for the energy storage unit beneath it. The completely closed apron is a distinctive feature of the BMW As the ActiveE does not have a engine, there is no need for and an exhaust system.

Where the are normally located, the BMW ActiveE a silver-blue accentuating trim in the closed rear apron indicates that the vehicle is of emissions. Further differentiating are the logo “ActiveE” on the back of the car and the logos on the side panels as as the high-quality chrome kidney

In order to increase the vehicle’s even further, the BMW ActiveE on wheels of the latest generation of with optimised rolling This results in a rolling that is up to twenty percent compared to previous series tyres. The wheels of the BMW ActiveE are with by far the lightest 16-inch by BMW and boast a double V-spoke

A more sporty 17-inch wheel rim with a five-spoke is also available.

In the interior the of a BMW 1 Series Coupe are also with individual details emphasise the unique BMW ActiveE Blue contrasting seams the Dakota Leather seats in Pearl Grey. Dashboard and linings are fitted with trim in Alpine White, is available for the first time, and a high-quality “ActiveE” appliquй transfers the exterior graphics the interior of the car.

The shift plaque in black and blue the overall graphic concept.

BMW — the BMW ActiveE’s control concept.

The instrument cluster und the system iDrive were to the electric drive concept of the BMW and enhanced by specific display Instead of indicating the engine the instrument on the right of the cluster the amount of energy being from the battery or the current being supplied to it through When the vehicle is at a standstill, the position of the needle indicates the vehicle is ready to drive, as the BMW has no engine sound to inform the whether or not the engine is ready to be If the vehicle is not ready to drive, the rests at the bottom left of the

The “fuel gauge” below it the battery charge level. the onboard computer provides vital information such as the vehicle range, for example.

The display functions on the Central Display depict vehicle flows to make electric even more perceptible and During the journey an active representation of the vehicle informs the whether energy is currently taken from the battery or fed in to it via recuperation. Moreover, the driver can see the charge state of the battery and check whether the air conditioning or the system is working. This can, if required, also be as a spilt screen to allow the display of additional infotainment or the route guidance of the navigation When the vehicle is at a standstill, it is possible to see on the display whether the is currently being charged or the battery and interior are being

In addition, a special battery menu provides information on the energy level as well as the and remaining vehicle range. charging it also indicates the charging time.

Optimum optimum efficiency — the ECO PRO

If the driver wishes to increase the of the BMW ActiveE even further, it is now to do this via the ECO PRO Mode. As soon as the activates the switch on the centre the vehicle’s drive configuration and functions are modified to facilitate an more efficient driving Due to an adapted accelerator pedal less power is demanded in the ECO PRO than in the normal driving but with the same pedal Also, the heating and cooling of the heating and air conditioning systems a flatter setting and therefore use energy.

The driver is also with tips on how to reduce consumption even further for the possible motoring efficiency.

powerful and compact: the drive of theBMW ActiveE.

The BMW ActiveE typical BMW driving pleasure in a emission-free form. The heart of the BMW is the powerful electric synchronous the components of which were with the requirements of the MCV in mind and are now being tested in a pilot series. Maximum power of the electric drive system is 125 bhp.

Maximum torque of 250 Nm is as is typical of electric vehicles available from a standstill for the first time, remains across an exceptionally broad range. As a result, the BMW ActiveE from 0 to 100 km/h in just 9 the 60 km mark being reached in than 4.5 seconds. Top speed is limited at around 145 km/h (90

The permanent-magnet hybrid synchronous and the power electronics of the BMW ActiveE developed entirely in-house and are in this combination by exceptional optimised power development and a design. The innovative character of the drive system is reflected all in the relation between engine and space requirement. The entire pack including power and transmission with differential is into the modified rear-axle of the BMW ActiveE, and with a 125 kW output, has a total weight that below 100 kilograms.

Drive and down with the accelerator

Not only does the spontaneous enhance the intensive driving in the BMW ActiveE, but also the possibility to down using the accelerator When the driver takes his or her off the pedal, the electric motor the function of a generator that the electricity gained from energy back into the battery. At the same time, torque is created, which slows the vehicle down. In way, the accelerator pedal a “drive pedal”.

In urban around 75 percent of all deceleration can be performed without using the pedal. Intensive use of this recuperation of energy via the motor results in a range increase of up to 20 Only when the driver to slow the vehicle down by stepping on the brake pedal the conventional braking system of the BMW additionally intervene.

Gliding “coasting” along the road.

the MINI E, the BMW ActiveE features a “intermediate position” of the accelerator allowing the vehicle to “glide”. As a the vehicle does not immediately when the driver decelerates, but using the electric motor’s momentum control, thereby its own kinetic energy to move The BMW ActiveE then “glides” the road without using In addition to foresighted driving, offers a most convenient way of the vehicle’s range.

A further of the modification of the accelerator pedal curve is a significantly more pedal response and there are no noticeable load changes.

vehicle dynamics through Management for Regeneration.

When the releases the accelerator pedal in to slow down, the recuperative torque only has an effect on the wheels. For this reason the BMW features an adapted drive-active dynamics interface, “Stability for Regeneration”, in order to also adequate vehicle stability recuperation. The familiar traction system ASC and Dynamic Stability (DSC) have been to the specific characteristics of the electric train. Based on various Stability Management for Regeneration the recuperation level to each situation, combining the highest of recuperation with best vehicle stability when in any situation.

Should a situation arise is critical for vehicle stability using recuperative or hydraulic the optimised DSC function ensures vehicle stability by means of intervention into the braking and engine management. Furthermore, the ASC ensures that the rear are able to transfer the high of the electric drive into propulsion when starting

Well-adjusted: the lithium-ion storage with its own liquid cooling

Specially developed lithium-ion cells ensure the energy of the drive system and all further of the BMW ActiveE. These high-voltage units excel above all their high storage The BMW ActiveE features storage which are being used for the time and were jointly by the BMW Group and its associate partner SB exclusively for automotive use.

The competence of the cooperation partner SB ensures that the high capacity and cycle stability of the batteries are also guaranteed the exceptional conditions of automotive use and the demands with regard to operational stability and safety.

the BMW ActiveE developers are testing the cells and the storage electronics, are to be installed later in the MCV. into modules of six, or ten storage cells, they fit perfectly into the available space in the BMW ActiveE. Construction which is reserved in vehicles a combustion engine for components the powered BMW 1 Series Coupe not require, is intelligently utilised. The battery unit of the BMW ActiveE up the space in the lower area of the normally intended for the conventional train. In order to accommodate storage cells, the space at the that has become available the omission of a fuel tank is

Further lithium-ion cells are at the front end in front of the cowl.

The BMW three large storage are each protected by a specially steel-plate battery housing integrated liquid cooling The cooling system constantly the ideal operating temperature of the storage units, thereby contributing towards an increase in the capability and lifespan of the battery The air conditioning/heating system tempers the running through the storage housing via a heat exchanger.

If the liquid can also be heated in to bring the energy storage up to the ideal temperature of approximately 20° even during the winter.

to these measures, the BMW ActiveE a range of around 160 kilometres miles) with a full charge and auxiliary consumers on. According to the American consumption FTP72, the vehicle has a range of up to 240 (150 miles). Intelligent management especially developed for the BMW ensures that this can be achieved as far as possible independently of climatic conditions.

Fast and retrieval of fresh energy.

The development of electrically driven production vehicles also innovative solutions for flexible, and user-friendly charging of the vehicle’s storage systems. The lithium-ion units featured in the BMW ActiveE can be with fresh energy the most diverse external sources. The vehicle is not dependent on a battery charging terminal depending on availability, electricity of current strength can be fed into the unit. The respective transformation is by the integrated, highly efficient battery charger.

As a result the has a significantly higher degree of

In addition to using the so-called a 32-ampere power supply installed at the user’s home and to obtain the shortest possible times, the driver can also the vehicle to a conventional power or a publicly accessible charging The standardised

US plug SAE1772 on the constantly ensures unvarying to the charging point and special charger leads with standardised adapters ensure connection in every country in the system is available.

The energy storage units can be charged within four to hours using the wallbox at 32 A range of around 40 kilometres is after just a one-hour at the wallbox. Using a conventional in Europe, the energy storage is fully charged over

The power electronics — efficiency, enhanced development of

The BMW ActiveE’s power electronics by BMW regulate the required strength and of the supply of electricity to the electric They ensure full of the drive system’s full potential. Only the correct supply to the aggregate will the high output and guarantee development of power.

As in the future the BMW ActiveE’s power electronics are above the rear axle on the motor, forming a complete together with the aggregate.

from controlling the electric the power electronics also the power supply to the onboard systems. With the aid of a voltage and incorporating intelligent battery they ensure the reliable of electricity to all vehicle functions the comfort and infotainment features. control functions, which are into both the power as well as the energy storage permanently monitor all components.

The is immediately informed of any possible in the event of which the system is secured and switched off if necessary.

from a single source BMW Group drive technology

The performance of the drive system in the BMW is typical of a BMW. The exceptional agility and efficiency are the result of development efforts. With the of the storage cell, BMW Group develop everything that an electric vehicle – the energy module and its wiring, the electric the power electronics and the transmission. all, the BMW Group wishes to upholding its claim to producing the best drive systems drive systems that out from the competition through performance and running smoothness, when electric power and not is being transformed into

The harmonious interaction between train and power electronics, performance and range demonstrate the BMW high degree of competence in field.

Superior and comfortable typical BMW, even regard to handling.

On the road, the BMW offers the typical BMW driving Weighing a total of approximately kilograms, the coherent overall comprising drive train, characteristics and package guarantee the supreme and agile road of a

BMW 1 Series Coupe. The positioning of the storage units results in a lowering of the vehicle’s centre of Moreover, the flexible distribution of the units facilitates the well-balanced axle load distribution so of BMW automobiles.

Thanks to the dynamic load shift, more bears down on the drive facilitating enhanced traction and transfer of the high torque.

In to the adaptation of the rear axle to the electric drive, the BMW ActiveE’s modifications are mainly restricted to For example, steering characteristics, and dampers are adapted to the higher in comparison to the series production in order to reproduce typical BMW 1 handling in combination with the drive train. The suspension was chosen with a special on comfortable and superior driving in and the urban environment for which the BMW is predominantly designed.

BMW ConnectedDrive functions for the BMW ActiveE.

With BMW BMW enables the user to access the range of BMW ConnectedDrive functions via an app for the iPhone (from 3G) and the iPad. The has at his or her disposal all BMW ConnectedDrive remote using the CE device such as and unlocking the doors, the activation of the or headlamp flasher for locating the within sighting or hearing the CarFinder for locating the car within a of up to 1,000 metres as well as the Local Search function.

In new remote functions developed for the BMW ActiveE for battery charge and vehicle preconditioning have incorporated into the range of Via the customer’s Connected Drive the iPhone application establishes a connection with the vehicle and displays the additional range of as soon as the Connected Drive has been identified. This of connection between remote services and electric mobility is

However, prerequisite for all remote is that both the vehicle and the are receiving a signal. Of course, the has access to the BMW ConnectedDrive functions using an iPhone. This solely as a remote control and device.

eCommand: charge range and preconditioning at a glance.

The electric car functions — in short — comprise charge control and control of the of the energy storage unit and it the air conditioning of the interior. The charge function allows the user to and finish the charging process as as the setting of the charge starting via the charge timer inside the Via charge control the user can the charge level at any time and see the vehicle is currently being Users are informed of the battery level (SoC — of Charge), the vehicle’s current range with a full charge and the time remaining the batteries are fully charged.

A display function informs how far away they are from or the destination that has been as their home, so that are able to make a best estimation of the distance they are able to travel. Moreover, the app users where the nearest charging stations are, at the same time the possibility to add directly to the navigation system’s function as an interim destination. A function with historical pertaining to consumption and range BMW ActiveE drivers to compare with other drivers on a website.

Preconditioning for enhanced range.

Unlike the MINI E, the BMW offers the user for the first the possibility to cool or heat the energy storage unit and the car using intelligent preconditioning, bringing them up to the ideal temperature even before off. A preconditioned vehicle two advantages: firstly, the ideal temperature of the energy storage guarantees highest possible output and hence a longer Secondly, the interior is already to a pleasant temperature prior to a journey — both in the and the winter.

Intelligent preconditioning of the BMW automatically determines according to the temperature to what extent the and the battery should be pre-cooled or

Preconditioning can be activated directly or the can determine via the timer when should start. For instance, he or she can that the vehicle is pre-cooled or in the mornings before they use the However, it is only possible to the car if it is connected to a charging terminal via a charging lead. This that the vehicle’s range is not due to the comfort function. On the contrary, it increases it.

Due to the heating and cooling while the vehicle is connected to the supply, the energy required for is no longer drawn from the during the journey. Charging and functions are, of course, directly accessible and controllable inside the vehicle.

BMW ConnectedDrive in assessing field test

Access to the vehicle via BMW ConnectedDrive functions is also BMW’s channel for the data recorded field tests. When the process has finished and/or network connectivity is established, the sends the vehicle data recorded during the previous hours to the BMW Backend for further Here, only development-related such as distance travelled, vehicle ranges as well as times and behaviour is collected, and allocated to each respective

The objective is a comprehensive vehicle-specific in order to obtain knowledge can be used for further development. of recorded data is, of course, at all times.

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