Physiological Control Law for Rotary Blood Pumps with Full-State Feedback Method
Abstract
:1. Introduction
2. Materials and Methods
2.1. A Model of Cardiovascular System Environment with a Left Ventricular Assist Device
- Electrical equation of motor winding:
- Electromagnetic torque equation:
- Pump hydraulic equation:
2.2. Hemodynamic Characteristics of the Model
2.3. Control Strategy with a Pulsatile of Pump Flow
2.4. Pulsatility Controller Design
2.5. Simulation Protocols
3. Results
3.1. Immediate Reactions to Short-Term Changes in Circulation
3.2. Controller Adaptive Characteristics
4. Discussion
5. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Variable | Unit | Healthy | Heart Failure |
---|---|---|---|
Left ventricle contractility () | mm Hg/mL | 3.5443 | 0.7100 |
Right ventricle contractility () | mm Hg/mL | 1.7235 | 0.5322 |
Systemic peripheral resistance () | mm Hg*s/mL | 0.7411 | 1.1100 |
Total blood volume () | mL | 5300 | 5800 |
Variable | Symbol | Unit | Healthy | Heart Failure |
---|---|---|---|---|
End-diastolic left ventricle volume | mL | 133.35 | 183.21 | |
End-systolic left ventricle volume | mL | 63.05 | 150.00 | |
End-diastolic left ventricle pressure | mmHg | 7.11 | 22.23 | |
End-systolic left ventricle pressure | mmHg | 130.00 | 89.56 |
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Bakouri, M. Physiological Control Law for Rotary Blood Pumps with Full-State Feedback Method. Appl. Sci. 2019, 9, 4593. https://doi.org/10.3390/app9214593
Bakouri M. Physiological Control Law for Rotary Blood Pumps with Full-State Feedback Method. Applied Sciences. 2019; 9(21):4593. https://doi.org/10.3390/app9214593
Chicago/Turabian StyleBakouri, Mohsen. 2019. "Physiological Control Law for Rotary Blood Pumps with Full-State Feedback Method" Applied Sciences 9, no. 21: 4593. https://doi.org/10.3390/app9214593