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motor-dtc-pmsm

motor-dtc-pmsm is a skill for Claude Code from calebzu/pmsm-control-claude-skills-for-matlab. It costs 208 tokens per session (2,480 once invoked), scanned A, original, Apache-2.0.

A Simulink builder for direct torque control (DTC) of a permanent-magnet synchronous motor (PMSM), selecting inverter switching states from torque and magnetic-flux errors.

In plain words
What is it for?
Use it to build a PMSM drive with a speed controller, stationary-frame flux estimation, hysteresis control, and a six-state inverter switching table.
Why use it?
It gives the simulation a defined switching-table approach for regulating motor torque and flux without relying on a conventional current-control loop.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

not rated 15repo 4mo ago A scan 208 tokens original Apache-2.0

Good fit Use it to build a PMSM drive with a speed controller, stationary-frame flux estimation, hysteresis control, and a six-state inverter switching table.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/calebzu/pmsm-control-claude-skills-for-matlab/motor-dtc-pmsm
View source ↗ calebzu/pmsm-control-claude-skills-for-matlab
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add calebzu/pmsm-control-claude-skills-for-matlab --skill motor-dtc-pmsm
Clone the repo
git clone --depth 1 https://github.com/calebzu/pmsm-control-claude-skills-for-matlab

Made for: Claude Code.

Wrote this? Show the measurements

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README.md
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Your own site
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Your own site · 80×15
<a href="https://agentmods.dev/skills/calebzu/pmsm-control-claude-skills-for-matlab/motor-dtc-pmsm"><img src="https://agentmods.dev/badge/skills/calebzu/pmsm-control-claude-skills-for-matlab/motor-dtc-pmsm.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 208 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,480 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00208 $0.02480
Opus 5.5 $0.00083 $0.00992
Sonnet 5.5 $0.00042 $0.00496
Haiku 4.5 $0.00021 $0.00248

Measured 2mo ago against content hash 2eda9040f684, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

motor-dtc-pmsm scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/motor-dtc-pmsm/SKILL.md · 88 lines

How it starts

The opening of the file, as written. The whole thing — 88 lines — stays where its author put it; the contents beside it link to each section on GitHub.

motor-dtc-pmsm — PMSM Direct Torque Control Builder

Three-phase 2-level voltage-source inverter + PMSM (SPMSM / IPMSM via parameterization). Outer-loop = Speed PI providing Te_ref. Inner-loop = Direct Torque Control in αβ stationary frame: stator flux integrator + magnitude/angle/sector + 2-level hysteresis on (T, ψ) + Sutikno 6-state switching table → V_k → gate.

Layered on motor-pmsm-base. All base discipline applies.

Must-Follow Rules

  1. Plan first — Numbered plan with 21 input table, design-decision choices (design_decisions.md), build-script structure. Get user approval.
  2. One-click reproducibility — All parameters injected via set_param(mdl, 'InitFcn', ...). Model must Run from .slx double-click in fresh MATLAB session. See crit_conditions.md §E-CRIT.
  3. Default 6-state switching table for PMSM — switching_table_mode='6state' (Sutikno 2011 Table 2). Never default to 8-state Takahashi for PMSM — V0/V7 zero vectors cause flux to decay. See switching_table.md and crit_conditions.md §A-CRIT.
  4. ψ_ref ≠ ψ_f by default — Take psi_ref from reference if supplied; else compute the id=0 load-point stator flux |ψ_s|_load = sqrt(ψ_f² + (Lq·iq_max)²) (not true MTPA, which needs id<0). Never default ψ_ref = ψ_f for IPMSM. See crit_conditions.md §B-CRIT.
  5. T_eq_factor = 15 for DTC, NOT 5 — DTC's hysteresis inner loop has lower bandwidth than FCS-MPC's current PI. Compute Speed PI gains via pi_design('SO', J, 1, T_eq, a_so) with T_eq = 15·Tsc, a_so = 4. Pass Kt = 1 because DTC outer PI directly outputs Te_ref [N·m] (plant has no Kt). See crit_conditions.md §C-CRIT.
  6. Chart config = INHERITED + dual ZOH — ch.SampleTime='-1', ch.ChartUpdate='INHERITED'. ZOH @ Tsc on every chart input (5 inputs: Te_ref, ia, ib, ua, ub) AND every chart output (9 outputs: gate, Te_meas, mag_psi, ψ_α, ψ_β, sector, V_k, C_ψ, C_T). See crit_conditions.md §D-CRIT.
  7. Speed PI saturation is mandatory — Saturation block after PI with limits [-T_max, +T_max]. Anti-windup off for v1 baseline; production should add clamp or back-calc.
  8. Add 4 Scopes for human inspection — Scope_wm_RPM / Scope_Te / Scope_psi_mag / Scope_psi_alphabeta (XY Graph). The αβ XY plot is the most diagnostic — circular trajectory means healthy 6-state; hexagonal-with-inner-circle means 8-state pollution. See crit_conditions.md §F-CRIT.
  9. Non-overlapping wiring — Every add_block specifies Position per X/Y bands; arrangeSystem(mdl, 'FullLayout') as final fallback.
  10. HB reverse-calculation from fs_max — Use plant + Tsc to back-calc HB_T_min and HB_psi_min. Percentages (HB_T = 7.5% T_max, HB_ψ = 2.5% ψ_ref) are fallback only when fs_max is unknown. See hb_sizing.md.

Read the full file on GitHub · 88 lines

Files

What ships with it

8 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2mo ago First seen · 88 lines · 208 tokens per session scan A 2eda9040f684

Subscribe to this mod's changes

motor-dtc-pmsm is a skill published in the GitHub repository calebzu/pmsm-control-claude-skills-for-matlab (15 stars, last pushed 4mo ago), licensed Apache-2.0. It adds 208 tokens to every session and 2,480 once invoked, about $0.0008 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

Claude CodeHardware and IoTScientificagent-skillsdirect-torque-controlfield-oriented-controlmatlabmodel-predictive-control
Related

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motor-dtc-pmsm next to 6 skills from other repositories
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