Power Management Controls Project Update, August 2001 Bruce Nordman Lawrence Berkeley National Laboratory BNordman@LBL.gov http://eetd.LBL.gov/Controls sponsor: California Energy Commission Public Interest Energy Research (PIER) Program - PowerPoint PPT Presentation

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Power Management Controls Project Update, August 2001 Bruce Nordman Lawrence Berkeley National Laboratory BNordman@LBL.gov http://eetd.LBL.gov/Controls sponsor: California Energy Commission Public Interest Energy Research (PIER) Program

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Title: Power management Author: EAP Mac Fileserver Last modified by: Bruce Nordman Created Date: 5/10/2000 8:50:20 PM Document presentation format – PowerPoint PPT presentation

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Title: Power Management Controls Project Update, August 2001 Bruce Nordman Lawrence Berkeley National Laboratory BNordman@LBL.gov http://eetd.LBL.gov/Controls sponsor: California Energy Commission Public Interest Energy Research (PIER) Program


1
Power Management ControlsProject Update, August
2001Bruce NordmanLawrence Berkeley National
LaboratoryBNordman_at_LBL.govhttp//eetd.LBL.gov/C
ontrolssponsor California Energy
CommissionPublic Interest Energy Research (PIER)
Program
2
Overview
  • Recap of May, 2000 / Project Background
  • Activities / Results Since
  • Professional Advisory Committee, Institutional
    Review, Updated Project Plan, Device Assessment,
    User Interface Literature, Tentative
    Recommendations
  • Next Steps
  • Questions / Comments

3
Synopsis
  • Goal To save energy, increase enabling rates
    of existing power management capability in office
    equipment.
  • Method Make power management more consistent
    and intuitive to users across all office
    equipment (via a voluntary standard).

4
Standard PM Interface Elements
  • Terms
  • Symbols/Icons
  • Indicators
  • Operating Metaphors
  • Scope Office Equipment ( Consumer
    Electronics)

5
Institutional ReviewWho 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

6
Professional Advisory Committee (PAC)
  • Provides project with Guidance, Review,
    Credibility
  • Compaq
  • Hewlett-Packard
  • IBM
  • Intel
  • Microsoft
  • Ricoh
  • Samsung
  • Sony
  • Sun
  • ITIC
  • ENERGY STAR

7
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

8
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

9
Topics Medium / Low Priority
  • Disability
  • Culture
  • Temporary changes
  • System status after power failure
  • Terminology
  • Miscellaneous
  • Language
  • Batteries
  • Role of the term ENERGY STAR
  • Self-monitoring

10
Literature Insights
  • Project Rationale
  • Existing Designs
  • Approach
  • Design Principles
  • Metaphor
  • Modes
  • General UI Lit. not specific to power controls
  • Interactions / Transitions
  • Indicator Lights
  • Icons
  • Norman / Macintosh

11
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)

12
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

13
The Term Power
  • For indicators, switches/buttons
  • Need standard translation
  • Possible international word (voice)

14
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.

15
Indicators
  • Use Green / Amber / Off for On / Sleep / Off
  • Blinking only for transitions or non-power
    meanings
  • Possible standard (optional) audio indications
  • Cyberspace?

16
Sleep - Metaphor and Symbol
  • Sleep is most compelling metaphor, and has
    clear extensions (e.g. waking up).
  • is already common and seems clear

17
PC Sample State Diagram

18
Next Steps
  • More devices
  • Other topics
  • Outreach, esp. designers
  • Testing

19
Questions / Comments
  • Process
  • Recommendations
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