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Next-Gen Power Management Interface for Office Equip | Enhance Energy Efficiency & User Experience

This project aims to create standardized power management interfaces for office equipment to increase user adoption, reduce energy waste, and improve efficiency. By establishing a clear and consistent control system, the initiative seeks to address current shortcomings in power management controls across various devices. The ultimate goal is to enhance the overall user experience and promote sustainable energy practices in office settings.

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Next-Gen Power Management Interface for Office Equip | Enhance Energy Efficiency & User Experience

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  1. Next-Generation Power Management User Interface for Office EquipmentPower Management ControlsBruce NordmanLawrence Berkeley National LaboratoryBNordman@LBL.govhttp://eetd.LBL.gov/Controlssponsor: California Energy CommissionPublic Interest Energy Research (PIER) Program

  2. Overview • Energy Background • Project Rationale • Controls Introduction • Overall Plan • Specific Plan • Results

  3. No Power Management Now(ENERGYSTAR) Potential(100% Enabling) Office Equipment Energy UseAnnual Electricity (TWh/year)

  4. Energy Savings (U.S.) TWh/year $billion/year Existing 27.1 2.2 Potential 16.7 1.3 Current Power Mgmt. Enabling Rates: PCs: 25% Monitors: 60% Printers: 80% Copiers: 70%

  5. Problem • Existing Power Management Controls are: • Hidden, Confusing, Absent • Power Management Enabling Rates Low • Lots of Wasted Energy • Poor User Image of Energy Efficiency, Product Quality

  6. Solution • Create broadly similar interfaces for power / power management control across all office equipment and consumer electronics • Accomplish this by creating a voluntary standard for interface elements • Institutionalize the standard through international standards, industry standards, and marketing to industry • Expected Result: Increased enabling rates and use of existing power management capability

  7. Standard Controls

  8. Cars: Gearshifts

  9. Phones: Number Layout

  10. Traffic Signs, Indicators

  11. Non-standard Controls: Blenders

  12. Non-Standard ControlsCell Phones

  13. Office Equipment Power Management Terms On, Ready, Active, Idle, Standby*, Doze, Suspend, Sleep, Deep Sleep, Low-Power, Energy-Saver, Power-Saver, Hibernate, Energy Star Mode, Weekly Timer, Delay Timer, Idle Timer, Activity, Inactivity, Auto-off, Soft-off, Off.

  14. Office Equipment: What Works

  15. Office Equipment:The “Standby” Problem • Suspend mode is known as standby mode under the Microsoft Windows 98 operating system. For systems with ACPI compliance, suspend mode is known as sleep mode” (Dell) • stand-by mode” — Fully ready to copy but not copying. (ASTM Copier Test Procedure) • “Stand-By — … an optional operating state of minimal power reduction …” (VESA Standard) • “Standby power — The lowest power mode in which the appliance is plugged in …” (LBNL-Leaking/Standby Electricity) • “Standby is … the lowest power state where the system is responsive to interrupts …” (PowerPC Reference Platform) • "Suspend is currently ignored under Windows 95/98 and Windows 2000 because the terminology is ill-defined. “ (Microsoft) • There is no distinction between Suspend and Standby in OnNow as there was previously under APM definitions" (Microsoft)

  16. What Doesn’t Work: PC Indicators Sleep mode Awake

  17. Existing power-related ISO/IEC “Graphical Symbols ForUse On Equipment” Can you identify and define each of these?

  18. Can you explain these buttons and indicator lights?

  19. Overall Plan • Existing Devices / Interfaces • Develop New Standards (Voluntary) • Market These to Institutions • Manufacturers (PAC) • International Standards Organizations • Industry Institutions

  20. Provides project with Guidance, Review, Credibility Compaq Hewlett-Packard IBM Intel Microsoft Ricoh Samsung Sony Sun ITIC ENERGY STAR Professional Advisory Committee (PAC)

  21. Specific Plan • Institutional Review • Literature Review • 22 Topics • “Hard” Interface - Static • Device Behavior - Dynamic • Other Topics

  22. Institutional Review“Who is Involved in Power Management Controls” • Standards / Standards Committees (ISO/IEC) • Graphical Symbols for Use on Equipment • Indicator Lights • Others • Labeling Programs (e.g. ENERGY STAR) • Trade Associations (e.g. ITIC) • Manufacturers • Technology Initiatives / Protocols

  23. Project Rationale Existing Designs Approach Design Principles Metaphor Modes General UI Lit. — not specific to power controls Interactions / Transitions Indicator Lights Icons Norman / Macintosh Literature Insights

  24. Topics: High Priority, #1 • Basic symbols and switches & buttons • Basic indicators • Changing power states • Transition indicators • Underlying archetype of power management behavior, including basic terms

  25. Topics: High Priority, #2 • Controlled and controlling devices • Remote indicators and controls • Composite devices and diversity of low-power modes • Power management ‘schemes’ • Behavior based on wake event type • Linked behavior • Interactions with non-power modes

  26. Disability Culture Temporary changes System status after power failure Terminology Language Batteries Role of the term “ENERGY STAR” Self-monitoring Miscellaneous Topics: Medium / Low Priority

  27. “Hard” Interface Elements • Terms • Symbols/Icons • Indicators • Operating Metaphors Scope: Office Equipment(& Consumer Electronics)

  28. Initial Recommendations • Three basic power states: On, Off, Sleep • “Power” term (switch / indicator) • Change the international standard symbols for on/off, standby, and sleep • Green / Amber / Off for power indicators • Sleep metaphor (and moon)

  29. Three Basic States On, Off, Sleep • Within a state, device has consistent capability, behavior (e.g. state change) • May have more states, but all mapped into forms of the basic three • “Hibernate” problematic, but tentatively a form of Off

  30. The Term “Power” • For indicators, switches/buttons • Need standard translation • Possible “international word” (voice)

  31. Power Symbols • Drop as a symbol. • Change meaning of from “Standby” to “Power” • and too similar. • Recommendation is most consistent with current usage on products.

  32. Indicators • Use Green / Amber / Off for On / Sleep / Off • Blinking only for transitions or non-power meanings • Possible standard (optional) audio indications • Cyberspace?

  33. Sleep - Metaphor and Symbol • “Sleep” is most compelling metaphor, and has clear extensions (e.g. “waking up”). • is already common and seems clear

  34. PC Sample State Diagram

  35. Device Behavior(Dynamic) • Taxonomy of device types • User expectations • Device feedback • Consistency • Remote controls, indicators

  36. Further User Interface Work • Lighting controls • Real-time price response controls

  37. Questions / Comments • Process • Recommendations

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