Thursday, October 21

Nissan Tests Smart Hybrid Vehicle

Nissan Tests Smart Hybrid Vehicle: "Nissan Motor Co. Ltd. says it has cracked the code to developing a smart hybrid electric vehicle control system, employing the navigation system to optimize the battery 'state of charge' and improve fuel economy in its prototype hybrid.
Using a Tino hybrid vehicle, Nissan engineers plugged data from the vehicle's navigation system - including real-time traffic data from Japan's Vehicle Information and Communication System (VICS) - to determine the topographical layout of the road, as well as traffic flow.
The data compiled by the navigation unit and sent to the powertrain control system includes: road classification (whether it is an expressway, 2-lane, etc.), congestion level (as determined by the data supplied by VICS), road grade and exact distance of section of road measured.
The data was used to provide precise control of the vehicle's powertrain control system, which adjusted the use of the engine and electrical power depending on traffic and road conditions."

They showed a 0.5% improvement in congested freeway conditions, but showed a 7.8% imporvement on a 22km downhill route and a 3.5% improvement in hill driving. Ie. This system is usefull for optimizing country driving a bit more. The current system is already well tuned for congested traffic.

Toyota and Nissan have had a long-term agreement on hybrid systems that includes two-way technical cooperation and the use of Toyota components by Nissan.

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