A high-precision engineering utility for calculating core motor design parameters, including winding factors, flux density, and electromagnetic constants.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install motor-parameter-calculator
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install motor-parameter-calculator using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is Motor Parameter Calculator?
The Motor Parameter Calculator is a specialized engineering tool designed to streamline the early stages of electric motor development. By leveraging professional-grade calculation scripts, it allows engineers to quickly determine critical design data such as pole-slot configurations, conductors per slot, winding coefficients, and back-EMF constants.
Integrating seamlessly with Openclaw Skills, this utility provides both a standard calculation mode and an advanced slot-sweep analysis. It is an essential asset for developers and hardware engineers who need to validate magnetic flux density and torque constants before moving into intensive FEA simulations.
Motor Parameter Calculator Use Cases
- Initial estimation of motor design parameters during the prototyping phase.
- Comparative analysis of different pole-slot combinations (slot sweeping) to optimize torque ripple.
- Calculation of required turns per phase and wire diameter for specific voltage targets.
- Verification of magnetic flux density and back-EMF constants in existing motor designs.
How Motor Parameter Calculator Works
- The user provides basic motor inputs such as the number of poles, slots, and phase count.
- The Openclaw Skills script calculates geometric constants like pole pitch and slots per pole per phase (q).
- The system determines winding factors, including distribution and pitch factors, to assess winding efficiency.
- Advanced electromagnetic formulas are applied to derive flux per pole, back-EMF constants (Ke), and torque constants (Kt).
- For comparative design, the tool executes a sweep across multiple slot configurations to generate a performance comparison table.
Motor Parameter Calculator Setup
To use this skill within the Openclaw Skills environment, ensure you have Python installed and execute the provided calculation script:
# Basic motor parameter calculation
python scripts/param_calculator.py --poles 8 --Q 36 --L 60 --Di 54 --delta 0.5 --Bg 0.75
# Run a slot sweep analysis for design comparison
python scripts/param_calculator.py --sweep_slots --poles 8 --L 60 --Di 54
# Enter interactive mode for step-by-step guidance
python scripts/param_calculator.py --mode interactive
Motor Parameter Calculator Data Schema & Taxonomy
The skill organizes motor data into structured inputs and calculated outputs. The metadata and results are typically categorized as follows:
| Data Category | Key Parameters | Units |
|---|---|---|
| Geometric | Pole Pitch (τ), Air Gap Diameter (D), Iron Length (L) | mm |
| Winding | Slots per pole/phase (q), Winding Factor (Kw) | Decimal |
| Electromagnetic | Flux (Φg), Back-EMF (Ke), Torque Constant (Kt) | mWb, V, Nm/A |
| Performance | Mechanical Time Constant (Tm), Phase Resistance (R) | s, Ω |
Motor Parameter Calculator Advanced Features
- Slot Sweep Analysis: Automatically compare multiple slot configurations to find the optimal winding coefficient.
- Interactive Mode: A guided CLI experience for engineers to input data and receive real-time design feedback.
- Fractional Slot Support: Built-in logic to handle both integer and fractional slot winding calculations.
- Custom Winding Inputs: Manually specify turns per phase and peak phase current for bespoke motor architectures.
SKILL.md
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