论文部分内容阅读
提出了一种新颖的时变模糊控制器计算可变开-关信号序列从而达到控制输出要求。模糊开-关控制器在生物医学激光凝固疗法中能有效地解决组织加热的非线性时变特性和810nm二极管激光功率不可调的情况。该模糊控制器的结构被解析地分析并与PD控制器相联系。体外(In vitro)实验结果表明该模糊控制系统在组织温度控制中的优越性能。
A novel time-varying fuzzy controller is proposed to calculate the variable on-off signal sequence to achieve the control output requirements. Fuzzy on-off controller in biomedical laser coagulation therapy can effectively solve the tissue heating time-varying nonlinear characteristics and 810nm diode laser power can not be adjusted. The structure of the fuzzy controller is analytically analyzed and associated with the PD controller. In vitro experimental results show that the fuzzy control system in tissue temperature control superior performance.