Car exhaust emissions are regulated around the world to protect the global environment. The regulations are set to limit the harmful content of car exhaust emissions, and the exhaust of all cars sold on the market must be inspected in accordance with these regulations. Automakers carry out inspections following each particular country's car exhaust regulations.
There is a way to measure exhaust by recreating the actual conditions under which a car travels in town or on the highway. This method is called "mode measurement." When conducting such measurement, a car exhaust test driver drives a car on a device called a chassis dynamometer, which recreates actual driving situations, following pre-determined travel patterns. However, the driver is human. Perfect accuracy is impossible because not everyone drives exactly the same way. Additionally, test-driving is physically exhausting and puts a great burden on drivers.
Robots can do this job instead.
A robot driver operates the car automatically, since all the travel patterns are preset in the computer inside the robot. It can operate a car just like a human-starting the car, accelerating, driving at constant speeds, hitting the brakes, and changing gears by stepping on the clutch. Devices like this are also used for automakers' research and development, and car exhaust inspection.
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