This research study and development driven, with a food tray trolley for patients of Maharaj Nakhon SI thammarat. To help lessen the workers not to take too much. The tilt 2 is basically. Food cart for patients who have taken the system research and development driven, this time as a food tray trolley size trays 46 weight combined with body weight, about 220 kg. The system design was driven to a vehicle using a DC motor, 1 size, horsepower, etc are. 18 Volt batteries 2 ampere, 12 hours per child serial power sources. Select the use of chain plate number 420 chain and used to carry around, the speed of the vehicle does not exceed 1.2 meters per second. Controller of driving a motor cycle using adjustable speed motor. Makes it possible to rotate the accelerator to control the speed of the vehicle, is in the range 0 – 1.2 meters per second, including the forward or backward, from research to achieve the objectives. System is powered by an electric motor, works perfectly.
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