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'Torque Vectoring for Improved Driving'

By: Rob Parker

"....If that isn't enough, engine torque will be reduced, or brakes applied until the problem is solved..........new autos....."
No one doubts that all-wheel drive gives you the best possible vehicle control when you're driving in elemental weather. It's called 'torque vectoring,' and it's a system that enables the hasty and seamless distribution of torque to one specific wheel at a time.

Most recent-model all-wheel drive vehicles (cars and SUVs) already come with some kind of computer-managed system in order to boost fuel efficiency. Whether you're business with flood, snow, or sand, dropping engine torque as low as it can go and having tetragonal tires working together instead of two improves traction no matter what you drive, but new technology soon to be appearing as a feature of the performance car of your alternative takes all-wheel drive one step further. If that isn't enough, engine torque will be reduced, or brakes applied until the problem is solved.

More recently, however, this technology has been vastly improved. The onboard computer will sense a wheel that might be straying from the have a thick skin path, or gyratory faster than it should, and it will engage the opposite drive axle and apply torque as a corrective measure. Put simply, traditional torque distribution systems in all-wheel drive cars can transference engine torque only from the face axle to the back axle and back, but with torque vectoring, it can be distributed from right to left, as well. Car manufacturers have re-designed both face and posteriority differentials to make it possible for the engine's torque to be vectored, or passed to each corner of the car. Acura has offered a version of torque vectoring in it's Super Handling All-Wheel Drive system for several years. An article in Popular Mechanics compared the technology to having '...computer-controlled, super-speed limited slip differential in each axle.' What this capital is that vehicles will not only handle extremely well in bad driving conditions, but will overture impressive handling in normal conditions as well.

So, where can this technology be found? Look to Acura, Mitsubishi, and BMW for the most refined versions. The system includes a set of electromagnetic clutches in the hinterland differential to handle collateral torque transfers, and at that point the default distribution is 90% to the frontage / 10% to the rear, it will automatically change to a 50/50 split on rigid turns and acceleration.

Mitsubishi, which was permanentlyN Plurality been a pioneer when it comes to torque vectoring specifically and traction control in general offers a system similar to Acura's. The system monitors vehicle speed, gear position, steering angle, wheel speed, yaw rate and flanked G forces as well as a number of other types of data, and automatically adds torque to the outside background wheel during cornering, for smoother, more unfailing turns.

Ricardo's system, found in the Audi A4 and A5, uses wet clutches and planetary gearsets, as well as electromechanical controls to proposition a response time of 0.1 seconds from accelerator push to delivery of up to 90% of available torque, and passes it both foreground to dorsal and side to side with lightning-fast accuracy. Known as 'Active Yaw Control' it's been part of the background axle of their Evolution performance sedan since the late 1990s, during the time Audi and BMW are deprivation the technology further: Acura's system only works on the true axle of a vehicle that normally uses front-wheel drive, but these two makers are using technology from British automotive supplier Ricardo and German supplier ZF that can distribute torque to all tires at once.

While torque vectoring is not yet an industry standard, it is growing in use, and, when matrimonial to current systems like anti-lock braking and rollover prevention, will in the air give every driver the ability to drive safely through wind, snow, rain, and sleet...not to mention sunshine and dry roads. The German system used by BMW has branded their system 'VectorDrive' and it can go through torque to each of the rear guard wheels individually, for improved cornering and excellent obstinacy in less-than-excellent driving conditions. The German system used by BMW has branded their system 'VectorDrive' and it can go through torque to each of the rear guard wheels individually, for improved cornering and excellent obstinacy in less-than-excellent driving conditions....' _____________________________________________

Article Source: http://www.unique-ezine-articles.com

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