A = xlsread('电机控制器温度报警.xlsx','故障5','FN3:FN1442');
line([0,1500],[105,105],'color','r');%横线
hold on
plot(A)
box on
set(gca,'YLim',[85 115])%纵坐标范围
ylabel('驱动电机控制器实时温度(标准化前)');xlabel('采样点')
a=sum(A>=105);%A中大于等于105的个数
b=a/1440;