Design and Implementation of Electronic Control System of Blood Pump for Hemodialysis Machine

– there are three methods of renal therapies, hemodialysis is the primary choise. This is because of the cheaper price compared to the CAPD. In addition, people in Indonesia are still not understand the CAPD method. However, there are still many problems in the therapy using hemodialysis machine. This research aims to develop and to know the performance of the electronic control system for blood pump to match the ideal flowrate that will be used in hemodialysis treatment. This research resulting the blood pump charateristic is 179,4 step/ml when using glucose 10% and 168,2 step/ml when using glucose 20%. Based on fluid density, glucose 20% have the best performance with relative of error 0,06% at rpm 5 with 400 ml volume desired. From the result with rpm variation, the system has linearity with the slope M = 8970 step/ml = 4,2 rotation/ml using glucose 10%, and M = 8410 step/ml = 3,97 rotation/ml using glucose 20%. Which mean the slope is equivalent with the increased volume around 48,4 - 53,3 ml. It mean the blood pump rotation is constant and the system is working according the flowrate desired. It is found from the result, that many hardware factors can reducing the blood pump performance such as the roller degradation and the flexibility of the hose. Keywords – Renal Disease, Hemodialysis, CAPD, Blood pump, Flowrat

Design and Implementation of Fortran-terp Interpreter

Development of an Interpreter called Portran-Terp. Fortran-Terp is bersifatrCompatible with Fortran programs written in means-Terp Fortran can be compiledwith a Fortran compiler without changes or with minimal changes.Development of an Interpreter requires good planning and structured. Each section /sub-systems in the implementation of an interpreter may be one or several ways

Design and Implementation of Temperature Controller for a Vacuum Distiller

This paper proposed design and implementation of temperature controller for a vacuum distiller. The distiller is aimed to provide distillation process of bioethanol in nearly vacuum condition. Due to varying vacuum pressure, temperature have to be controlled by manipulating AC voltage to heating elements. Two arduino based control strategies have been implemented, PID control and Fuzzy Logic control. Control command from the controller was translated to AC drive using TRIAC based dimmer circuit. Experimental results show that fuzzy logic controllers have better performance in controlling temperature of vacuum distille

Design and implementation of 30kW 200/900V LCL modular multilevel based DC/DC converter for high power applications

This paper presents the design, development and testing of a 30kW, 200V/900V modular multilevel converter (MMC) based DC/DC converter prototype. An internal LCL circuit is used to provide voltage stepping and fault tolerance property. The converter comprises two five level MMC based on insulated gate bipolar transistors (IGBTs) and metal oxide semiconductor field effect transistor (MOSFET). Due to low number of levels, selective harmonic elimination modulation (SHE) is used, which determines the switching angles in such a way that third harmonic is minimized whereas the fundamental component is a linear function of the modulation index. In addition, instead of using an expensive control board, three commercial control boards are embedded. This is required to implement the sophisticated DC/DC converter control algorithm. Simulation and experimental results are presented to demonstrate the converter performance in step up and down modes

Design and Implementation of Error Correcting Codes for Transmission in Binary Symmetric Channel

Error Correcting codes are normally used for protecting transmitted information bits in a noisy channel. The information bits are encoded into error correcting codes which will be transmitted into the channel and on the receiver side, the received codes will be decoded back into the transmitted information bits. In this paper, a technique of generating binary error correcting codes that meet the Gilbert-bound and a simple encoding-decoding mechanism will be presented. To show the performance of the error correcting codes, a Binary Symmetric Channel is considered for transmission

Design and Implementation of Digital Image Processing Using STM32F407ZG Microcontroller for Traffic Light Management System

Traffic jam is one of the big problems happened ina big city, such as Jakarta and Bandung. Sometimes the trafficjam is caused by the inappropriate traffic light time control. Thispaper describes the prototype implementation of traffic lightcontrol system by analyzing the image condition of the streetcaptured by camera. The digital signal processing algorithm andthe time of the traffic light are controlled by a STM32F407ZGMicrocontroller. The size of Random Access Memory (RAM) islimited, so an additional external RAM is used in this research.The system input is 120 x 160 pixels of road image which alreadystored in the SD Card. A digital signal processing is used todetermine which road has more traffic, and then the system willadjust the time of the traffic light based on the calculation