Continuously Controlled Damping Ccd Suspension System
Media Platforms Design Team
It wasn't long ago that once you rolled out of your garage, the settings on each component of your car were locked in place for the drive. Hit a bumpy road? Your suspension's going to operate the same as if you're driving through Kansas on a freshly paved highway. Feel like testing the limits of your ride on a winding country road? You'll need to stop by the garage first, champ. The same went for changing road conditions. If you come across slick roads, the only edge you'll have is your ability as a driver.
Today, however, we have the luxury of recalibrating dozens of our car's features with the push of a button. Choose sport mode to liven things up with a performance-forward tinge to your car's settings or opt for comfort mode for a smooth, elegant ride. Even rough roads are no match for today's suspension systems that are capable of adapting to less than track-like conditions. These features are now something drivers count on every day to get the most out of every mile, but few drivers know about the system that's always working behind the scenes to get the job done.
Available adaptive suspension—or continuously controlled damping (CCD)—makes this new era of performance possible. Automakers around the world have been tinkering with the concept since the early '80s. Bose, a company known more for its stereo systems than suspension, has even developed its own system—still in the R&D phase for consumer cars—using electromagnetic struts.
With leading adaptive suspension systems, from the moment you fire up the engine, sensors around the car come to life. Measuring suspension, braking and steering while adapting to road conditions, these sensors constantly detect variations. The Lincoln MXK with an available CCD system monitors 46 suspension motions, body movement, steering and braking inputs every two milliseconds. Communicating with the car's central computer, a constant stream of data from the sensors dictates the behavior of the car. Based on this information, the car reacts in nearly real time to changes on the road.
The vertical distance between the chassis and the wheel is independently monitored for each corner while the suspension is adjusted accordingly. Should you find yourself on a less than pristine pothole-lined road, CCD has you covered. Once the system detects a wheel falling into a pothole, that corner of the suspension stiffens to slow the wheel's drop in an attempt to prevent it from falling too deep into the hole. When the front wheel encounters a pothole, the system will prepare the rear wheel for that pothole and send a message to the rear suspension, so it's prepared to reduce drop if need be. The same goes for cornering. As the car initiates the turn, CCD ensures that suspension for each wheel works together to reduce body roll.
Don't worry, just because you have the ability to float over potholes doesn't mean the thrill of the drive is gone. Simply switch from comfort mode to sport mode for a wholly different driving experience. You'll still have all your car's sensors working on your side, they'll just be working with a different goal in mind: giving the most track-inspired feel possible. In addition to the throttle sensitivity increasing, you'll enjoy tightened suspension and power steering assistance for a more sport-inspired steering feel.
While we are quick to look at advancements in torque distribution and raw power, innovation in suspension systems like CCD are arguably a greater measure of performance on the road. Giving drivers the tools to optimize their suspension, braking and handling for both preference and road conditions—along with millisecond speed adjustments—adaptive suspension systems have ushered in a new era in high-performance motoring.
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Source: https://www.roadandtrack.com/new-cars/car-technology/a26716/adaptive-suspension-continuously-controlled-damping-lincoln-mxk/
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