Stefan Lohmaier
a47e0aed3e
Phase 1 of full English translation: - generate_doorstop_items.py: all 55 items (SG/SYS/SWE/SA/SWA) rewritten in English - generate_landing_page.py: full UI labels, KPI cards, section headings in English - traceability.py: docstring, error messages, HTML headers in English - generate_test_report.py: report content + table headers in English - All 55 markdown items in safety/sg/, reqs/, arch/ regenerated in English Still to come: - demo-epb filled Word docs (PID, plans, safety, manuals, audit artefacts) - Code comments + test names + CI workflow step names - README + dev-process repo templates
1.4 KiB
1.4 KiB
active, derived, header, level, normative, reviewed, links, asil
| active | derived | header | level | normative | reviewed | links | asil | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| true | false | Safety Manager | 1.1 | true | null |
|
D |
SWA-001: Safety Manager
Responsibility
Highest safety layer. Detects engine-off, activates hill-hold, triggers auto-apply. Life-critical logic with redundant checks.
Static view
@startuml
package "Safety Manager" {
[Engine State Monitor]
[Hill-Hold Logic]
[Auto-Apply Logic]
}
[Safety Manager] ..> [Apply Controller] : apply request
[Wheel Speed Plausi] --> [Safety Manager] : v_vehicle
[Inclinometer Filter] --> [Safety Manager] : grade
@enduml
Provided interfaces
Status safety_mgr_init(void);
void safety_mgr_step_50ms(const SafetyInputs* in);
Dynamic behaviour
@startuml
[*] --> Idle
Idle --> HillHoldArmed : grade>5% & v=0 & brake
HillHoldArmed --> HillHoldActive : brake released
HillHoldActive --> Idle : v>2 km/h
Idle --> AutoApplyArmed : engine_off & v=0
AutoApplyArmed --> AutoApplyTriggered : t>=2s
AutoApplyTriggered --> Idle : applied
@enduml
Resources
- Stack: <= 256 B
- Worst-case timing: 200 us per call
Mapping to requirements
| Requirement | How covered |
|---|---|
| SWE-007 | engine_off + v<0.5 in step_50ms |
| SWE-008 | 2 s filter and trigger |
| SWE-009 | hill-hold activation |
| SWE-010 | brake-released detection |