A NEW APROACH FOR CONTROLLING THERMAL DOSE IN HYPERTHERMIA TREATMENT

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MOGHADDAM R.K.; PARIZ N.; KAMYAD A.V.

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Seminar Paper

Paper Information

Seminar: IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING
Year:2004 | Issue:11

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Title

A NEW APROACH FOR CONTROLLING THERMAL DOSE IN HYPERTHERMIA TREATMENT

Author(s)

MOGHADDAM R.K. | PARIZ N. | KAMYAD A.V.

Keywords

CONTROL

DIFFUSION EQUATION

HYPERTHERMIA

OPTIMIZATION

SCANNED FOCUSED ULTRASOUND

Abstract

AN OPTIMAL MODEL BASED CONTROLLER OF THE THERMAL DOSE IN HYPERTHERMIA HAS BEEN DEVELOPED, USING PENNES BIO HEAT TRANSFER FUNCTION (WHICH IS A DIFFUSION EQUATION) AS A PLANT MODEL. HERE IN, A NEW APPROACH IS USED TO OPTIMIZE THE THERMAL DOSE OF A SIMPLE SCANNED FOCUSED ULTRASOUND TRANSDUCER THAT SATISFIES THE FOLLOWING AIMS: A) RISING TEMPERATURE OF TUMOR REGION TO 43°C AND KEEP IT UNIFORM DURING TREATMENT. (IT TAKES 30 TO 60 MINUTES). B) KEEPING THE TEMPERATURE OF NORMAL REGION NEAR ITS INITIAL VALUE. C) USING THE MINIMUM AMOUNT OF ENERGY. D) OBTAINING THE OPTIMAL OPEN LOOP CONTROLLER THAT DOES NOT NEED THE INVASIVE TEMPERATURE MEASUREMENTS. THIS WORK DEMONSTRATES THAT THE TEMPERATURE CAN BE MADE MUCH MORE UNIFORM BY DEPOSING GREATER AMOUNT OF ENERGY AT THE BOUNDARY OF TUMOR THAN WITHIN THE INTERIOR TUMOR REGION (IT DEMONSTRATES IN SIMULATION PART).

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APA: Copy

MOGHADDAM, R.K., PARIZ, N., & KAMYAD, A.V.. (2004). A NEW APROACH FOR CONTROLLING THERMAL DOSE IN HYPERTHERMIA TREATMENT. IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. SID. https://sid.ir/paper/906354/en

Vancouver: Copy

MOGHADDAM R.K., PARIZ N., KAMYAD A.V.. A NEW APROACH FOR CONTROLLING THERMAL DOSE IN HYPERTHERMIA TREATMENT. 2004. Available from: https://sid.ir/paper/906354/en

IEEE: Copy

R.K. MOGHADDAM, N. PARIZ, and A.V. KAMYAD, “A NEW APROACH FOR CONTROLLING THERMAL DOSE IN HYPERTHERMIA TREATMENT,” presented at the IRANIAN CONFERENCE ON BIOMEDICAL ENGINEERING. 2004, [Online]. Available: https://sid.ir/paper/906354/en

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