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2 cards from this section. Quick, good the night before a test.
Define what a car-following model is.
What does it help us understand about traffic?
What is the sensitivity coefficient (α)?
Think about the driver's reaction to vehicle speed changes.
What does the sensitivity coefficient (α) measure?
Consider how quickly drivers can react to changes in speed.
True or False: A following vehicle has no reaction time.
Think about how long it takes to notice changes.
Given a leader vehicle that accelerates by 2 m/s² for 3 seconds, calculate the position of the leader at t = 3 seconds. If a following vehicle starts with a speed of 15 m/s and maintains a reaction time of 1 second, what speed will it be travelling at t = 3 seconds?
First calculate the lead vehicle's position before determining the following vehicle's speed.
Analyze the behavior of the following vehicle if the leader decelerates suddenly from 20 m/s to 10 m/s in 2 seconds. Calculate the new speed and position of the following vehicle assuming α = 10.
Break the problem down into calculating the speed reduction and reaction time adjustments.
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