次谐波聚束器相位控制的算法改进
Algorithm improvement for phase control of subharmonic buncher
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摘要: 为实现次谐波聚束器的数字化相位控制，利用下变频、IQ调制解调技术及商业化的PXI系统，开发了以LabVIEW为平台的低电平控制器。控制器采用了具有自学习和自适应能力的单神经元自适应PID的控制算法，满足了相位稳定度的要求，通过现场测试与传统PID算法进行比较，验证了该算法稳定性好、响应快、抗干扰能力强。Abstract: To realize digital phase control of subharmonic buncher, a low level radio frequency control system using down converter, IQ modulator and demodulator techniques, and commercial PXI system, was developed on the platform of LabVIEW. A single-neuron adaptive PID(proportional-integral-derivative) control algorithm with ability of self learning was adopted, satisfying the requirements of phase stability. By comparison with the traditional PID algorithm in field testing, the new algorithm has good stability, fast response and strong anti-interference ability.
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