| 摘要 |
A fluid application system for a vehicle having a material container portion such as a truck with a truck bed. The system includes a fluid source, a pump in fluid communication with the fluid source, and a spray unit including a nozzle in fluid communication with the pump. A sensor is also provided to output a vehicle detection signal including a vehicle profile signal. A controller in operative communication with the sensor and the pump is adapted to receive the vehicle detection signal, activate the pump to deliver the fluid to the spray unit in response to the vehicle profile signal when the profile signal indicates a first end of the material container portion, such as the start of the truck bed. The controller turns off the pump when the end of the material container portion of the vehicle is detected, or a pump timer expires. A method is also provided for detecting the vehicle to be sprayed, determining the concentration ratio of the fluid mixture to be applied, locating the material container portion of the vehicle and delivering the selected fluid mixture to the material container portion of the vehicle.
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