This paper discusses an implementation based on CMEX S-functions to model and to check implementation feasibility of two most commonly used Maximum Power Point Tracking(MPPT)algorithms,namely Hill Climbing/Perturb&...This paper discusses an implementation based on CMEX S-functions to model and to check implementation feasibility of two most commonly used Maximum Power Point Tracking(MPPT)algorithms,namely Hill Climbing/Perturb&Observe(P&O)and Incremental Conductance.This study can also be generalized to encompass the whole digital techniques family,including artificial intelligence like Neural Network and Fuzzy Logic Control.展开更多
四旋翼飞行器的模型不确定性和外部扰动会对其飞行控制产生重大影响。为了提高控制系统的鲁棒性和抗干扰能力,在四旋翼飞行器的双闭环控制模型的基础上,设计相应的线性自抗扰控制器(Linear Active Disturbance Rejection Controller,LAD...四旋翼飞行器的模型不确定性和外部扰动会对其飞行控制产生重大影响。为了提高控制系统的鲁棒性和抗干扰能力,在四旋翼飞行器的双闭环控制模型的基础上,设计相应的线性自抗扰控制器(Linear Active Disturbance Rejection Controller,LADRC)。同时,采用差分进化算法(Differential Evolution,DE)优化控制器参数,解决控制器参数整定难的问题。提出一种使用莱维飞行改进差分进化算法的方法,比基本差分进化算法和引入模拟退火策略的改进方法获得更快的收敛速度。最后在整定得到的最优参数下进行四旋翼飞行器的轨迹跟踪与抗干扰仿真实验。仿真结果表明,LADRC的鲁棒性和抗干扰能力优于PID控制器。展开更多
文摘This paper discusses an implementation based on CMEX S-functions to model and to check implementation feasibility of two most commonly used Maximum Power Point Tracking(MPPT)algorithms,namely Hill Climbing/Perturb&Observe(P&O)and Incremental Conductance.This study can also be generalized to encompass the whole digital techniques family,including artificial intelligence like Neural Network and Fuzzy Logic Control.
