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Human-Machine Systems Engineering Introduction & Example A - PowerPoint PPT Presentation

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Human-Machine Systems Engineering Introduction & Example A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities 2 A User-Centered Human-Machine Systems Engineering Process Needs, Problems,

  1. Human-Machine Systems Engineering Introduction & Example

  2. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities 2

  3. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation Users, Operators, Subject Matter Experts Implementation Design 3

  4. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation Users, Requirements Operators, Subject Matter Experts Implementation Design 4

  5. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation Users, Requirements Operators, Subject Matter HFE Principles Experts & Guidelines Implementation Design 5

  6. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation Users, Requirements Operators, Subject Matter HFE Principles Experts & Guidelines Implementation Design Design Specifications 6

  7. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 7

  8. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Background Research Opportunities Concept Development Task Analysis Detailed Task Analysis Requirements Engineering Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 8

  9. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Background Research Opportunities Concept Development Task Analysis Detailed Task Analysis Requirements Engineering Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Conceptualization Preliminary Design (PDR) Design Final Design (CDR) Trade Studies Specifications HF Experiments 9

  10. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Background Research Opportunities Concept Development Task Analysis Detailed Task Analysis Requirements Engineering Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Construction Conceptualization Mock-up Preliminary Design (PDR) Design Fabrication Final Design (CDR) Manufacture Trade Studies Specifications HF Experiments 10

  11. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Requirements Verification Background Research Heuristic Evaluation Opportunities Concept Development Usability Testing Task Analysis Role-Playing Detailed Task Analysis Simulation Requirements Engineering Operational Testing Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Construction Conceptualization Mock-up Preliminary Design (PDR) Design Fabrication Final Design (CDR) Manufacture Trade Studies Specifications HF Experiments 11

  12. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Requirements Verification Background Research Heuristic Evaluation Opportunities Concept Development Usability Testing Task Analysis Role-Playing Detailed Task Analysis Simulation Requirements Engineering Operational Testing Research Operation,Test Question(s) Analysis & Evaluation Hypothesis Formulation Research Design HMS: Humans, Users, Requirements Machines, Operators, Processes Data Collection Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Data Analysis & Hypothesis Testing Interpretation & Implementation Design Application of Results Construction Conceptualization Mock-up Preliminary Design (PDR) Design Fabrication Final Design (CDR) Manufacture Trade Studies Specifications HF Experiments 12

  13. Example of the HMSE Process Development of the Emergency Cesarean Delivery Facilitator (ECDF) 13

  14. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 14

  15. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities 2 full passes + internal iterations Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 15

  16. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 16

  17. Background, Statement of Need Background ● Cesarean Delivery (sometimes called Cesarean Section): surgical delivery of baby – System vulnerabilities, especially in small, rural hospitals – Inherent risk of procedure ● Difficulty in assembling on-call team for unscheduled, emergency procedure ● Urgent, chaotic conditions ● Human Fallibilities (sensory, cognitive, motor) – System vulnerabilities + human fallibilities = delays, errors, potential for catastrophe – Need ● Reduce – “decision-incision” time ● errors ● Improve – Team communication ● Team awareness of system, processes ● Coordination of people, processes, procedures ● ECDF: Information & communication system to facilitate ● Notification, assembly, preparation of team – Preparation of mother (and baby) – Preparation of operating room – 17

  18. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 18

  19. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Background Research Opportunities Concept Development Task Analysis Detailed Task Analysis Requirements Engineering Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 19

  20. Hierarchical Task Analysis (partial): Perform Emergency Cesarean Delivery ● A0: Perform ECD – A1: Decide, plan, & manage delivery – A2: Proceed with natural delivery & recovery – A3: Prepare for ECD ● A31: Summon & prepare team ● A32: Prepare mother & fetus(es) ● A33: Prepare OR – A4: Perform ECD surgery – A5: Restore & recover from ECD – A6: Analyze ECD 20

  21. IDEF0 Task Analysis Perform Emergency Cesarean Delivery (A-0 diagram) Controls Task (Activity) Inputs Outputs To perform a Task: Mechanisms transform Inputs to Outputs, subject to Mechanisms Controls. 21

  22. IDEF0 Task Analysis Perform ECD (A0) 22

  23. IDEF0 Task Analysis Perform ECD (A0) 23

  24. IDEF0 Task Analysis Perform ECD (A0) Detail 24

  25. IDEF0 Task Analysis Prepare for ECD (A3) 25

  26. IDEF0 Task Analysis Prepare mother & fetus(es) (A32) 26

  27. A User-Centered Human-Machine Systems Engineering Process Needs, Problems, Opportunities Operation,Test Analysis & Evaluation HMS: Humans, Users, Requirements Machines, Operators, Processes Subject Matter HFE Principles (Model, Mockup, Experts & Guidelines Prototype, Product) Implementation Design Design Specifications 27

  28. Some ECDF Functionality Requirements The ECDF shall allow one person to simultaneously summon the entire ● first-call ECD Team within 3 minutes of the decision to do an ECD. … the ECDF shall provide guidance to Team members on how to prepare ● the mother and fetus(es), i.e., to: – assess patient state – get informed consent – prep mother for surgical procedure – prep fetus(es) for surgical procedure – administer pre-op meds – transport patients to OR ... the ECDF shall provide guidance to Team members on how to prepare ● the OR, i.e., the: – anesthesia equipment – surgical instruments – baby warmer – neonate resuscitation equipment – etc. 28

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