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Simulation Design of Precise Target Control System inBody Gamma Knife Radiotherapy
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[1]ZHANG Jian-hua,YU Hui,HEI Ling-qiao,et al.Simulation Design of Precise Target Control System inBody Gamma Knife Radiotherapy[J].Journal of Zhengzhou University (Engineering Science),2013,34(03):22-25.[doi:10.3969/j.issn.1671-6833.2013.03.006]
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Journal of Zhengzhou University (Engineering Science)[ISSN 1671-6833/CN 41-1339/T] Volume: 34 Number of periods: 2013 03 Page number: 22-25 Column: Public date: 2013-05-31
Title:
Simulation Design of Precise Target Control System inBody Gamma Knife Radiotherapy
Author(s):
ZHANG Jian-hua1;  YU Hui1; HEI Ling-qiao2; WANG Ming-xia1; WEl Ying-jun3
1.Sehool of Electrical Engineering，Zhengzhou University ，Zhengzhou 450001 , China; 2.Equipment department，ZhengzhouPeople ’s Hospital，Zhengzhou 450003，China; 3. Deportment of Electronic Science and Engineering，Huanghuai University ,Zhumadian，463000，China
Keywords:
BFGS;  optimization modeling;  sensor;  stepping motor ; SCM
CLC:
TP29 R318.6
DOI:
10.3969/j.issn.1671-6833.2013.03.006
Abstract:
This paper introduces a novel control design of gamma knife positioning bed.Respiratory move-ments would inevitably cause tumor displacement. In this design，tumor displacement model produced by hu-man respiration was established through BFCS algorithm. Firstly , piezo sensor was used to collct respiratorysignal.Secondly, in order to make the positioning bed move by reverse respiration，after receiving the respira-tory signal，single chip microcomputer ( SCM) system would control stepping motor. The simulation experi-ment results showed that this design can reduce the influence of respiratory movements on the precision of ra-diotherapy，which produces a novel method and theoretical basis for the control of gamma knifepositioning bed.
References:
[1]郑荣寿,张思维,吴良有,等.中国肿瘤登记地区2008年恶性肿瘤发病和死亡分析[J].中国肿瘤，2012,21( 1):1-12.
[2]任金山.浅谈中医与西医放射结合治疗肿瘤的优势与疗效[J].中医临床研究,2011,3(6):115- 116.
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