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- lundi 4 avril 2005
EVS 21 - WaveCrest : Breakthrough electric propulsion and Ni-MH

Exhibition

• General information | • Symposium
WaveCrest recently launched its first electric bike, featuring a breakthrough electric propulsion technology that transforms electrical energy into mechanical motion - and vice versa - with exceptional power and efficiency.
The electric bikes’ power comes from Saft’s nickel-metal hydride (Ni-MH) batteries.
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Originally aimed at security forces, the TidalForce M-750 is a rugged, durable and foldable electric mountain bike. In the back hub is its patented WaveCrest Adaptive Motor system, and in the front hub are the Saft Ni-MH batteries comosed of Saft’s VH D cells.

By close consultation with WaveCrest, Saft engineers have helped ensure the best electronic interfaces for what it is a unique circular battery. Thirty Ni-MH cells are linked via 15 cables and 4 connector systems to the bike’s motor and controls. Saft’s role also involves receiving components from other suppliers chosen by WaveCrest for the manufacture for the bike’s battery subassembly. The TidalForce M-750 has a range of 20 miles (about 32 km) on a single battery charge. It reaches top speeds of 20 mph, which is consistent with U.S government regulation of light transport vehicles.

Greater mobility and security
On the heels of this electric bike, WaveCrest also launched another model, called iO for consumers. Both electric bikes deliver similar performance levels which include efficiency, acceleration, quietness and torque - all unparalleled in the electric bicycle market. Riders of the iO can augment its range by pedalling.

Security officers who use the TidalForce M-750 can quickly apprehend suspects in pursuit situations. They also can patrol larger areas for longer periods of time, and carry more equipment and supplies without fatigue.

What’s unique about the technology ?
In addition to the electric adaptive motor system, the technology features customizable controls that manage the system’s total performance - and an advanced Saft battery system that delivers excellent power, range and efficiency. Thousands of times a second, optical sensors in the motor inform a digital signal processor how fast the motor is rotating and how much torque it is generating. The chip then uses algorithms to optimize motor efficiency at that speed and at that torque, automatically recharging the battery when feasible.

To ensure the technology’s success, Saft has not just delivered unique battery systems but has also built a close long-term partnership - a great combination in making these electric bikes a success.


Sur le Web :
EVS21 Monaco exhibition. The exhibition will take place in the Grimaldi Forum’s Espace Ravel, a 4,000 m² area at the heart of the Conference Centre, looking out onto the Mediterranean Sea... In addition to Symposium delegates, numerous international city, community and corporate representatives will be present to view the latest models on show, which will also create a real “business to business” meeting.
Sources : Clean@uto.com
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Exhibition
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EVS 21 - Peugeot presents Partner Electric Van and the Quark
EVS 21 - Peugeot and preservation of the environment
EVS 21 - WaveCrest : Breakthrough electric propulsion and Ni-MH
Société de Véhicules Electriques presents "Cleanova II la Poste" and announces its strategic alliance with TM4
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