Honda have developed a state of the art 4WD system with a few world firsts!
Here are the highlights:
Acceleration during cornering
Torque to the rear wheels is continuously varied to supply up to 100% to the outside wheel and 0% to the inside wheel. This creates an inward yaw moment, significantly improving vehicle handling.World’s first direct electromagnetic clutch
An electromagnetic coil (electromagnet) attracts a magnetic body which, in turn, presses on the multi-plate clutch to facilitate torque transmission. A compact clutch unit, equipped with a planetary gear step-up mechanism to increase torque, permits transmission of substantial amounts of torque. A built-in search coil monitors the gap between the electromagnetic coil and the magnetic body. Current flow in the electromagnetic clutch is then adjusted to achieve highly precise torque regulation.And pics:Sensors, ECU
The input of steering angle, lateral g, yaw rate, wheel speed and other sensors monitor driver input, vehicle demeanor, and driving conditions such that the SH-AWD ECU can calculate ideal torque distribution.
Full article here:
http://world.honda.com/news/2004/4040401_4.html
And a small video (Japanese!) here:
http://www.honda.co.jp/HDTV/news/200...01a/index.html
PS: Thanks to the person who submited this via www.ozhonda.com
I must say I'm impressed with this differential. VERY IMPRESSED!
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