【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。更多还原

【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.更多还原