https://space.bilibili.com/230105574
Ph.D. in Dynamics and Control 机器人工程师
https://www.bilibili.com/video/BV1St41117fH/
纯干货数学推导_傅里叶级数与傅里叶变换_Part6_总结与闲话（完）
https://www.bilibili.com/video/BV1ex411g7t3
【Advanced控制理论】3_Phase Portrait_相图_相轨迹
controllability matrix：
看Simulink 的模拟结果：
https://www.bilibili.com/video/BV1uW411W7Wx
robust control: bounded model error
