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| 基于改进神经网络PID算法的医用电子直线加速器温控系统研究 | |
| 引用本文： | 王建华,郭嘉泰,袁小燕,荆彦峰,牛晓东,杨国珍,樊云飞. 基于改进神经网络PID算法的医用电子直线加速器温控系统研究[J]. 中国医学物理学杂志, 2011, 28(4): 2784-2786. DOI: 10.3969/j.issn.1005-202X.2011.04.020 |
| 作者姓名： | 王建华 郭嘉泰 袁小燕 荆彦峰 牛晓东 杨国珍 樊云飞 |
| 作者单位： | 1. 长治医学院,医学物理教研室,山西长治04600;长治医学院,附属和平医院放射治疗科,山西长治04600 2. 长治医学院,医学物理教研室,山西长治04600 3. 长治医学院,附属和平医院放射治疗科,山西长治04600 4. 长治医学院,生物医学工程系,山西长治04600 |
| 摘 要： | 目的:探讨基于改进神经网络PID算法的医用电子直线加速器温控系统的实现。方法:针对医用电子直线加速器温度控制难题,提出了基于共轭梯度算法改进的BP神经网路PID控制算法,并在温度控制系统中进行了仿真。结果:该控制器能够实现较好控制效果。结论:利用共轭梯度算法改进的BP神经网路PID控制算法对医用电子直线加速器温度控制系统进行控制方法切实有效,简单可行。 |
| 关 键 词： | 医用电子直线加速器 温控系统 共轭梯度算法(Conjugate Gradient Method) 误差反传(BP)神经网络 比例-积分-微分控制(PIDControl) |
Temperature Control System of PID Algorithm Based on Improved Neural Network for Medical Linac |
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| WANG Jian-hua,GUO Jia-tai,YUAN Xiao-yan,JING Yan-feng,NIU Xiao-dong,YANG Guo-zhen,FAN Yun-fei. Temperature Control System of PID Algorithm Based on Improved Neural Network for Medical Linac[J]. Chinese Journal of Medical Physics, 2011, 28(4): 2784-2786. DOI: 10.3969/j.issn.1005-202X.2011.04.020 | |
| Authors: | WANG Jian-hua GUO Jia-tai YUAN Xiao-yan JING Yan-feng NIU Xiao-dong YANG Guo-zhen FAN Yun-fei |
| Affiliation: | WANG Jian-hua1,2,GUO Jia-tai1,YUAN Xiao-yan1,JING Yan-feng1,NIU Xiao-dong1,YANG Guo-zhen2,FAN Yun-fei3(1.Department of Physics,Changzhi Medical College,Changzhi Shanxi 046000,China,2.Department of Radiology,Heping Hospital of Changzhi Medical College,3.Department of Biomedical Engineering,China) |
| Abstract: | Objective: To deal with the difficult problem of temperature control system for Medical Linac.Methods: This paper presents PID control algorithm based on BP neural network improved by conjugate gradient algorithm,and makes simulation in temperature control system.Results: Its result shows that the controller can achieve preferable effect.Conclusions: Using PID control algorithm based on BP neural network of expert system for Medical Linac is reliable and efficient. |
| Keywords: | linac conjugate gradient algorithm back-propagation(BP) neural network proportional plus integral plus derivative(PID)control |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ | |