Usability Engineering Use Case
The Usability Engineering use case supports the usability engineering process according to IEC 62366-1: use scenarios, potential use errors, UI elements and UI characteristics. It links them to the Hazards, Hazardous Situations and Harms of the Risk Management use case.
Knowledge Topics
The use case is active once your product contains these Knowledge Topics:
- Use Scenarios
- UI Characteristics
- Potential Use Errors
- UI Elements
These Knowledge Topics are optional. Add them to your product to enable the relations that use them:
- Hazard
- Hazardous Situation
- Harm
- User Profiles
Relationships
The diagram shows how the Knowledge Topics of this use case are connected. An arrow points from the source to the target Knowledge Topic. An arrow with two arrowheads marks a bidirectional relationship.
Each row is one trace column on the source Knowledge Topic. Allow Multiple shows whether a record can be linked to more than one target record. Bidirectional relations are also shown on the target Knowledge Topic.
| Source Knowledge Topic | Relation Name | Target Knowledge Topic | Allow Multiple | Bidirectional | Description | Additional Fields |
|---|---|---|---|---|---|---|
| Use Scenarios | Caused By | Potential Use Errors | No | Yes | Select the Potential Use Error that causes this Use Scenario. | |
| Corresponds To | Hazard | Yes | No | Select the Hazards that correspond to this Use Scenario. | ||
| Linked Hazardous Situation | Hazardous Situation | Yes | No | Select the Hazardous Situations linked to this Use Scenario. | ||
| Linked Harm | Harm | Yes | No | Select the Harms linked to this Use Scenario. | Severity | |
| related UI Elements | UI Elements | Yes | No | Select the UI Elements related to this Use Scenario. | ||
| UI Characteristics | Relates To | Hazard | Yes | No | Select the Hazards that are related to this UI Characteristic. | |
| Potential Use Errors | Involved | UI Characteristics | Yes | No | Select the UI Characteristics that are involved in this Potential Use Error. | |
| Involved | UI Elements | Yes | No | Select the UI Elements that are involved in this Potential Use Error. | ||
| Corresponds To | Hazardous Situation | Yes | No | Select the Hazardous Situations that correspond to this Potential Use Error. | ||
| UI Elements | has Characteristic | UI Characteristics | Yes | No | Select the UI Characteristics that are associated with this UI Element. |
Additional Fields are extra columns that show a field of the linked record, such as the severity of a linked Harm.
Integration with Other Use Cases
Knowledge Topics that belong to more than one use case connect those use cases. This use case shares Knowledge Topics with:
- Active Device – Hazard, Hazardous Situation
- Clinical Evaluation – Harm
- Essential Performance – Hazardous Situation
- Formative Evaluation – User Profiles
- General Use Case – User Profiles
- Requirements – Use Scenarios
- Risk Management – Hazard, Hazardous Situation, Harm
- Software Engineering – Hazardous Situation
- Summative Evaluation – Use Scenarios, Hazardous Situation, Harm, User Profiles