Honda's First Super Handling All-Wheel-Drive
Torque Distribution Regulation
| | • | 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.
*Yaw moment is turning torque relative to the vertical axis running through the vehicle's center of gravity. | | • | Deceleration during cornering (throttle closed)
Torque to the outside rear wheel is freely varied to change from an inward to an outward yaw moment, ensuring vehicle stability at all times. | | • | Straight-line driving
Front-rear torque distribution is regulated for optimum performance in accordance with the amount of torque produced. During rapid acceleration the load on the front wheels is reduced; conversely, rear-wheel load is reduced during cruising. The result is stable driving at all times. | System Configuration
| | • | 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. | | • | Acceleration device
During straight-ahead driving, the twin-pinion planetary carrier spins in synchronization with the propeller shaft, causing the front and rear wheels to turn at the same speed. When the vehicle enters a curve, however, the planetary carrier is locked to the case, releasing the device from synchronization with the propeller shaft and accelerating the rotation speed of the rear wheels. A hydraulic actuator which turns the clutches on and off, and a one-way clutch are included in this compact configuration. | | • | 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. |
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Posted July 18 2008 10:31 AM by Mark Williams
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Posted July 11 2008 12:54 PM by Allyson Harwood
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Posted Yesterday 02:41 PM by thomas_voehringer
There are excellent movies that feature trucks prominently in the story line. Truck Trend ran John Pearly Huffman's " Top 10 Truck Movies " in the March/April 2007 issue. As with all lists, there's bound to be... more
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You think of the recent spike in gas prices not as a deterrent to buying a gas-hungry SUV, but as incentive to get the hard-core SUV of your dreams for a great price. The market is still full of choices to satiate your... more
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More production cuts and push backs, more CUV debuts and more truck stuff. We just wanted to tell you what this weeks big headlines where in case you might have missed it, here they are again: more
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Posted July 11 2008 01:04 PM by Melissa
It's been a couple months since I last jumped into our long-term 2007 Honda CR-V , and it didn't take long for me to fall for its charm all over again. more
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You think of the recent spike in gas prices not as a deterrent to buying a gas-hungry SUV, but as incentive to get the hard-core SUV of your dreams for a great price. The market is still full of choices to satiate your... more
There are excellent movies that feature trucks prominently in the story line. Truck Trend ran John Pearly Huffman's " Top 10 Truck Movies " in the March/April 2007 issue. As with all lists, there's bound to be... more
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