When I used my customize state space to perform navigation,the following errors occurs:

Question

Wenjun Li 2022-3-6

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https://ww2.mathworks.cn/matlabcentral/answers/1664449-when-i-used-my-customize-state-space-to-perform-navigation-the-following-errors-occurs

回答： Walter Roberson 2022-9-1

ss=myCustomUAVStateSpace("MaxRollAngle",pi/6,...
    "AirSpeed",25,...
    "FlightPathAngleLimit",[-0.1,0.1],...
    "Bounds",[-40,50;-40,50;-40,50;-inf,Inf;-Inf,Inf;-Inf,Inf;-Inf,Inf],...
    "Sound",340.0,...
    "Press",1.0055e+05,...
    "AirDensity",1.2174);

Error using StateSpace

Expected StateBounds to be of size 7x2, but it is of size 1x1.

Error in nav.StateSpace/validateStateBounds (line 277)

validateattributes(bounds, {'double'}, ...

Error in nav.StateSpace/set.StateBounds (line 113)

obj.StateBoundsInternal = obj.validateStateBounds(bounds, ...

Error in myCustomUAVStateSpace (line 109)

obj.StateBounds = bounds;

I can't solve the problem although I tried many times.What can I do to fix the errors?

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Answer 1

Jianxin Sun 2022-3-7

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移动：Remo Pillat 2022-9-1

Based on your error message, it seems that at line 109 of your code myCustomUAVStateSpace, you assigned a scalar instead of the 7x2 matrix. I'd recommend you put a breakpoint at the start of your constructor code and run your command. By stepping through your constructor, you should be able to find out why bounds is a scalar at line 109.