https://nycdepartmentoffinance.powerappsportals.us/forums/general-discussion/c5d454c7-b1fc-ee11-a73d

Cruise control is a feature commonly found in modern vehicles that allows the driver to set and maintain a constant speed without the need to continually apply pressure to the accelerator pedal. The mechanism of cruise control involves several components working together to achieve this function:

1. 
   

   Speed Sensors: Cruise control systems typically utilize vehicle speed sensors to monitor the vehicle's current speed. These sensors may be located at the wheels, transmission, or other components depending on the vehicle's design.

   
   


2. 
   

   Control Module: The cruise control system includes a control module, often located in the engine compartment or dashboard, which receives input from the speed sensors and the driver's commands.

   
   


3. 
   

   User Interface: The driver interface, usually located on the steering wheel or dashboard, allows the driver to activate, set, adjust, and deactivate the cruise control system. This interface typically includes buttons or switches for functions such as "On/Off," "Set," "Resume," "Increase Speed," and "Decrease Speed."

   
   


4. 
   

   Throttle Actuator: The cruise control system controls the vehicle's speed by adjusting the throttle position. This is typically achieved using a throttle actuator, which modulates the opening and closing of the throttle valve in the engine's intake system.

   
   


5. 
   

   Feedback Loop: Once the driver activates the cruise control system and sets the desired speed, the control module compares the actual vehicle speed (as detected by the speed sensors) with the desired speed. If the vehicle speed is below the desired speed, the control module sends a signal to increase throttle opening, allowing more fuel and air into the engine to accelerate the vehicle. If the vehicle speed exceeds the desired speed, the control module reduces throttle opening to slow the vehicle down.

   
   


6. 
   

   Safety Features: Cruise control systems often include safety features to prevent unintended acceleration or deceleration. These may include a "Cancel" button or a brake pedal override feature that disengages the cruise control system when the driver applies the brakes.

   
   

Overall, cruise control systems provide convenience and comfort for drivers during long highway journeys by maintaining a steady speed and reducing fatigue. However, it's important for drivers to use cruise control responsibly and remain attentive to changing road conditions and traffic situations.