How to plot power lines on the motor torque and speed graph

Question

LALIT PANKAJ GROVER 2021-9-14

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https://ww2.mathworks.cn/matlabcentral/answers/1453234-how-to-plot-power-lines-on-the-motor-torque-and-speed-graph

回答： Cris LaPierre 2021-9-15

I have a plot of torque and rpms but i need to plot different power lines according to the change in vehicle speed. I have calculated power demand values for each vehicle speed but I am unable to plot them with motor torque and speed curve as there is single value of power demand at each vehicle speed.

Any ideas?

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Answer 1

Cris LaPierre 2021-9-15

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https://ww2.mathworks.cn/matlabcentral/answers/1453234-how-to-plot-power-lines-on-the-motor-torque-and-speed-graph#answer_787509

Do you know about hold? If so, I'm not sure I understand why you can't plot them. Your x vector is the speeds, and your y vector is the corresponding power demands. Plotting it, then, is just plot(x,y)