The intelligentizing of sensor has been an important trend for sensor technology in recent years. In this paper, the new structure of the intelligent color scale sensor is presented; especially the software system design of intelligent color scale sensor based on the photoelectric measurement is given in detail. By using the control system based on Micro Control Unit (MCU), which takes full advantage of the resources on MCU, a new digital intelligent color scale sensor is successfully developed at a lower cost. Also, it has an ideal performance on the key index such as sensitivity, detection accuracy, response speed, reliability, operability and degrees of protection.
Motor operates as the power source of the vehicles, which is one of the most important parts in the vehicle system. This paper is going to find out the speed control method of the DC motor of Golf electrical cars from both theory and practice. A virtual instrument, which produces the Pulse Width Modulation (PWM) signal, is developed with LabVIEW to control the motor speed. This smart motor speed controller differs from the traditional mechanical control of DC motor in daily life, and is instructive and significant as a new speed control method of vehicle motor.
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