Lookup table object from another object

2 次查看（过去 30 天）
Thomas LE DIOURON
回答： Pramil 2024-3-27
I have an object (from a specific class) that contains a structure of lookup tables:
taxi =
TaxiProfile with properties:
data: [6×5 double]
waitingStruct: [1×1 struct]
distances: [6×1 double]
distancesCumul: [6×1 double]
velocities: [6×1 double]
slopes: [6×1 double]
windSpd: [6×1 double]
lookupTables: [1×1 struct]
>> taxi.lookupTables
ans =
struct with fields:
velocities: [1×1 Simulink.LookupTable]
slopes: [1×1 Simulink.LookupTable]
windSpd: [1×1 Simulink.LookupTable]
I would like to use this object to reference the different lookup tables in a Simulink 1-D Lookup Table. In the "Data Specification", I select "Lookup table object" and in the name: "taxi.lookupTables.velocities"
In this case, there is an error "Invalid setting in '1-D Lookup Table' for parameter 'LookupTableObject'
By setting the following variable and specifying only velocities in the field name of the Data Specification of the 1-D Lookup table, it works
velocities = taxi.lookupTables.velocities
Is it a bug?
  2 个评论
Fangjun Jiang
Fangjun Jiang 2024-3-2
Type taxi.lookupTables.velocities in Command Window to see what it is? The dimension could be different. Is it a 1-D lookup table?

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回答（1 个）

Pramil
Pramil 2024-3-27
Hi Thomas, It is not a bug.
As of MATLAB R2023b, it is not possible to directly reference a “Lookup Table” object through another object. This limitation arises because the “Lookup Table” object must be defined in the workspace for it to be referenced in the block parameters.
Hope it helps.

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