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Showing 1 to 2 of 2 for “"18f4520"”.
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Digital speed and position control system incorporating an Incremental encoder
… control system by using microcontroller PIC18F4520. Speed control system is a closed-loop real time control system, where optical encoder is coupled to the motor shaft to provide the feedback speed signal to controller. Pulse Width Modulation (PWM) technique is used where its signal is …
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On the Design, Modeling, and Control of a Hybrid Pump System for Dynamic Pressurization of Explanted Mammalian Hearts
A hybrid electromechanical pump system is proposed to mimic left ventricular blood pressure in a living mammalian heart. The system consists of a gear pump and voice coil actuated diaphragm (VCAD) pump connected in parallel. By combining a high-capacity, low-bandwidth gear pump with a low-capacity, …