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利用输出误差向量组成一正定二次型目标函数,然后应用各种梯度法计算待估的参数。为改进迭代计算的收敛特性,文中建议增加输出误差向量的维数。本方法的主要优点在于利用系统输入输出的有限数据即可求得参数真值。文中还说明本方法也可用于模型参考自适应控制系统的设计。
The output error vector is used to form a positive definite quadratic objective function, and then various gradient methods are used to calculate the estimated parameters. In order to improve the convergence property of iterative computation, we propose to increase the dimension of the output error vector. The main advantage of this method is that the true value of the parameter can be obtained by using the limited data input and output of the system. The paper also shows that the method can also be used in the design of model reference adaptive control system.