Development of a totally implantable total artificial heart controller

Sang Hoon Lee, Won W. Choi, Byoung G. Min

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Using a one chip microcontroller, 87C196 (One chip EPROM), and an erasable and programmable logic device (EPLD), an implantable control system to drive a pendulum type electromechanical total artificial heart was developed. This control system consists of four parts: a main management system, a motor driver with power regulator, a state monitoring system, and a communication portion. The main system has a speed detector, proportional and integral (PI) control, pulse width modulation (PWM) generation, serial communication, and an analog data processor. Two kinds of power system are used, separated by eight photocoupler arrays to improve system stability. When the performance of each compartment was compared with that of the previously used Z80 microprocessor based control system, good correspondence was shown. Logic power consumption was reduced to one third that of the previous controller. Using mock circulation tests, the overall performance of the control system was evaluated.

Original languageEnglish
JournalASAIO Transactions
Volume37
Issue number3
Publication statusPublished - 1991 Jul 1
Externally publishedYes

Fingerprint

Artificial heart
Artificial Heart
Control systems
Controllers
Microcomputers
Equipment and Supplies
Logic devices
Communication
Pendulums
Microcontrollers
System stability
Pulse width modulation
Microprocessor chips
Electric power utilization
Detectors
Monitoring

ASJC Scopus subject areas

  • Biophysics

Cite this

Development of a totally implantable total artificial heart controller. / Lee, Sang Hoon; Choi, Won W.; Min, Byoung G.

In: ASAIO Transactions, Vol. 37, No. 3, 01.07.1991.

Research output: Contribution to journalArticle

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