SciML / SciML/ModelingToolkitStandardLibrary.jl
PID in Blocks not able to accept symbolic parameters
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- Dominant language
- Julia
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- 171
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- 49
- Avg merge
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- Merged PRs (30d)
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Description
The following code gives ERROR: TypeError: non-boolean (Num) used in boolean context
using ModelingToolkit
using ModelingToolkitStandardLibrary.Blocks
@parameters k = 3 Ti = 0.5 Td = 1 / 100
@named pid_controller = PID(;k, Ti, Td)
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by running the Julia example from the issue and inspect the PID constructor and its parameter handling in ModelingToolkitStandardLibrary.Blocks. The work is done when symbolic k, Ti, and Td values are accepted without the reported TypeError.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- julia
- Domain
- backend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100