Start-up phase plasma discharge design of a tokamak via control parameterization method<xref ref-type="fn" rid="cpb142247fn1">*</xref>

Start-up phase plasma discharge design of a tokamak via control parameterization method*

Guo Shan^a), Xu Ke^a), Xu Chao^b)†, Ren Zhi-Gang^b), Xiao Bing-Jia^c)

Optimization results of I _p with respect to 3-order polynomial loop voltage. (a) Variational method with weight, = 0, (b) variational method with weight, = 2000, (c) costate method with weight, = 0, (d) costate method with weight, = 2000.