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在过程控制中，按偏差的比例（P）、积分（I）和微分（D）进行控制的PID控制器（亦称PID调节器）是应用最为广泛的一种自动控制器。(In process control, according to the percentage of deviation (P), Integral (I) and differential (D) control of PID controller (also known as PID regulators) is the most widely used of an automatic controller.)

this is a blasius solution by matlab code

excel 编译器用来编译matlab文件(excel compiler)

matlab的一些编程练习及应用习题，包括M文件的编写及混合编程的初步学习(matlab programming exercises and application exercises, including a preliminary study of the M-file write and mixed programming)

对象参数已知条件下二阶系统的自校正PID控制间接算法(Object parameters are known under the conditions of second-order system indirect self-tuning PID control algorithm)

LOS NLOS identification matlap code

自动转向系统的MATLAB/simulink模型，参数需要自己调试，可以自动跟踪预定的道路(参数请自己调试)(The MATLAB/simulink model of automatic steering system, whose parameters need to be debugged by itself, can automatically track the predetermined road.)

程序是毕业论文的研究实验结果，应用于直线二级倒立摆的稳定控制，得到了理想的控制效果。(procedures dissertation research results, for two straight inverted pendulum stability control, be the ideal control effect.)

to convert quat to euler

采用集中质量法求解水平成层场地的地震响应，其中包含newmark求解动力方程(Quality level of a centralized method for solving the seismic response of layered space, solving the dynamic equation which contains newmark)