零盲點
每一筆變更，自動通知、自動追溯
- 需求變更 → 自動標記所有受影響的子組件
- 設計參數改動 → 測試計畫自動提示「需審查」
- 完整 Audit Log — 誰改了什麼，一清二楚
- 跨層級影響分析 — 從系統需求到底層零件，全鏈路追溯
每一筆變更，自動通知、自動追溯
每一筆操作都有完整記錄 — 誰改了什麼、何時改的，一清二楚。
支援變更回溯與比對，讓團隊對每個設計決策都可追蹤、可驗證。
開啟 Demo 專案，修改一筆需求，看變更警示如何自動傳播。
An ECN (Engineering Change Notice) is a formal document recording a design or requirement change, identifying all impacted components, requirements, test cases, and DFMEA items. NIL-MISS auto-generates ECNs by detecting changes and mapping their downstream impact across the entire connected BOM.
Every edit to a requirement, attribute, or component is logged with a version hash. When a change occurs, the system traverses all requirement derivation links and BOM relationships, identifying all downstream items that may need re-verification — instantly, without manual spreadsheet tracking.
Yes. Every change is logged with timestamp, user, old value, and new value. The full audit trail is queryable and exportable for regulatory submissions, customer audits, and internal design reviews — meeting ISO 26262 and ASPICE traceability requirements.
Excel ECN tracking is manual — someone must remember to update every related sheet. NIL-MISS automatically detects the change and flags all impacted items across BOM, requirements, test cases, and DFMEA. No missed impacts. Try free at nilmiss.com.