Adaptive cruise control is one of the first steps in moving towards autonomous driving vehicles, as it allows the vehicle to regulate speed and braking on the highway to maintain a set following interval behind the detected car ahead. Today’s video looks at how Honda implements this system on their vehicles, as well as how Collision Mitigation Braking Systems work. Both systems rely on a millimeter wave radar as well as a monocular camera to detect objects ahead. So how does adaptive cruise control work?
The primary purpose of the system is to travel at the speed selected by the driver, just like traditional cruise control. However, if the vehicle detects another car in front of it that is traveling at a slower speed, the vehicle will reduce its speed to match that of the detected car and a then maintain a selected interval behind the car. The system works by emitting radar waves which bounce off of vehicles ahead and return to the unit. This informs the system of the distance between the two vehicles; changes in that distance inform the system of the vehicles’ relative speeds. So how does the Collision Mitigation Braking System work? The goal of the system is to alert the driver if a collision with a detected vehicle is likely, and then to apply the brakes to reduce the severity of a collision if it’s unavoidable. The system scans up to 330 feet of the road in front of the vehicle and works in three stages if the driver begins to come close to a vehicle detected ahead. Is the kind of technology you’ll be looking for in your next car purchase?
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Hypermiling isn’t a term many people are familiar with, but the action itself is actually fairly common. Basically, hypermiling describes using a set of driving principles to maximize your car’s fuel economy and get the most miles out of every gallon of gas. A hypermiler, or one who follows these principles, may save a good deal of money. The downside is that, while some of these principles are actually very sound ideas, some of them can be on the dangerous side.