Environmental Control Unites/Electronic Aids to Daily Living for People with Polytrauma
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Transcript of Environmental Control Unites/Electronic Aids to Daily Living for People with Polytrauma
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Environmental Control Unites/Electronic Aids to Daily
Living for People with Polytrauma
Environmental Control Units/Electronic Aids to Daily Living for People with Polytrauma
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Environmental Control Units (also referred to as Electronic Aides to Daily Living ) are specialized assistive technologies designed to enable an individual to operate many household appliances and electronics if he or she can not use the standard controls. For example, if an individual can not access a standard light switch, an ECU could provide an alternative way for the individual to turn the lights on and off. Another example would be if someone had difficulty accessing and/or using the telephone. Once again, an ECU could provide a different way for the individual to use the telephone. ECU’s can also provide alternative controls for the television, cable box, DVD player, stereo, heating/air conditioning, fans, doors, etc.
Definition
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From Cook and Hussey, 1995
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The principal components of an ECU are also
illustrated in the following block diagram:
USERDISPLAY
USERCONTROLINTERFACE
CENTRAL PROCESSING
UNIT
X-10 MODULES/RECEIVERS ANDOTHER X-10 INTERFACES
TELEPHONE
INFRARED DEVICES:TV, DVD PLAYER,CABLE BOX, STEREO, ETC.
The User Display and User Control Interface constitute the human/technology interface
IR
RadioSignal
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X-10 control input module (left) and receivers (right)
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X-10Transmitter
Radio Signals X-10Receiver
House Wiring X-10Modules
IR Receiver/IR to X-10Converter
House Wiring X-10ModulesIR
TransmitterIR Signals
Two Common X-10 Input/Output Block Diagrams
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STAND ALONE SYSTEMS
(PERFORM ECU FUNCTIONS ONLY)
INTEGRATED SYSTEMS
(PART OF OR INTEGRATED WITH OTHER ASSISTIVE TECHOLOGY)
TWO WAYS TO CATEGORIZE
COMERCIALLY AVAILABLE ECU's:
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STAND ALONESYSTEMS
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Switch Activated
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Big Button Remote Control
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INTEGRATEDSYSTEMS
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ECU Integrated with Augmentative Communication
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Infrared (IR) Capabilities built into power wheelchair electronics:
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ECU
POWERWHEELCHAIR
PERSONALCOMPUTER
IR
X-10 viahouse wiring
USB ConnectionRadio frequency
or IR signal
Any Control interfaceused to drive
Any computer access technique
Telephone
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FACTORS TO CONSIDER WHEN RECOMMENDING AN ENVIRONMENTAL CONTROL UNIT:
* Client’s Goals (what does he or she wish to control)
* What other assistive technology is utilized by the individual
* Client’s prognosis (stable/progressive?)
* Client’s cognition
* Where is the system going to be used (home or work, in one
room or throughout the house, etc.)
* System reliability, flexibility and ease of operation
* Local tech support for installation/configuration/service
* Expense of the system and the funding source