The form of home automation called assistive domotics focuses on making it possible for older adults and people with disabilities to remain at home, safe and comfortable. Home automation is becoming a viable option for older adults and people with disabilities who would prefer to stay in the comfort of their homes rather than move to a healthcare facility. This field uses much of the same technology and equipment as home automation for security, entertainment, and energy conservation but tailors it towards older adults and people with disabilities.
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Concept
There are two basic forms of home automation systems for the elderly: embedded health systems and private health networks. Embedded health systems integrate sensors and microprocessors in appliances, furniture, and clothing which collect data that is analyzed and can be used to diagnose diseases and recognize risk patterns. Private health networks implement wireless technology to connect portable devices and store data in a household health database. Due to the need for more healthcare options for the aging population "there is a significant interest from industry and policy makers in developing these technologies" (Eriksson 2002).
Advantages
Home automation is being implemented into more and more homes of older adults and people with disabilities in order to maintain their independence and safety. These smart homes allow older adults and people with disabilities to stay in their homes where they feel comfortable, instead of moving to a costly health care facility. The transition to a health care facility can cause a lot of anxiety and home automation can either prevent or delay this anxiety (Cheek 2005). For the disabled smart homes give them opportunity for independence, which will help them gain confidence and determination. Smart homes can provide both older adults and people with disabilities with many different types of emergency assistance systems, security features, fall prevention, automated timers, and alerts. These systems allow for the individual to feel secure in their homes knowing that help is only minutes away. Smart home systems will make it possible for family members to monitor their loved ones from anywhere with an internet connection.
Systems
Home automation for healthcare can range from very simple alerts to lavish computer controlled network interfaces. Some of the monitoring or safety devices that can be installed in a home include lighting and motion sensors, environmental controls, video cameras, automated timers, emergency assistance systems, and alerts.
Matilda
The University of Florida has built a 500-square-foot (46 m2) smart house that is designed to assist and to provide medical care to "Matilda", a life size mannequin (Ascribe 2003). The house implements devices including "a microwave that recognizes entrees and automatically determines how long to cook them" (Ascribe 2003) and devices to track the individuals location within the home. The house also uses devices to detect water on the floor and a camera that allows the person to view who is at the door and let them in using a cell phone. The smart house at the University of Florida relies on a centralized computer network to deliver electronically coordinated assistance" (Ascribe 2003)*.
Security
In order to maintain the security of the home many home automation systems integrate features such as remote keyless entry systems which will allow seniors to view who is at the door and then remotely open the door. Home networks can also be programmed to automatically lock doors and shut blinds in order to maintain privacy.
Emergency assistance systems and tools
Emergency assistance for older adults and people with disabilities can be classified into three categories: First, Second, and Third Generation emergency assistance systems or tools (Celler 1999).
First generation
These simple systems and tools include personal alarm systems and emergency response telephones that do not have to be integrated into a smart home system (Celler 1999). A typical system consists of a small wireless pendant transceiver to be worn around the neck or wrist. The system has a central unit plugged into a telephone jack, with a loudspeaker and microphone. When the pendant is activated a 24-hour control center is contacted. Generally the 24 hour control center speaks to the user and identifies that help is required e.g. Emergency services are dispatched. The control center also has information of the user, e.g. medical symptoms, medication allergies, etc. The unit has a built in rechargeable battery backup and the ability to notify the control center if the battery is running low or if the system loses power. Modern systems have active wireless pendants that are polled frequently advising battery, and signal strength status as older style pendant could have a battery that has failed rendering the pendant useless when required in an emergency.
Second generation
These systems and tools generate alarms and alerts automatically if significant changes are observed in the user's vital signs (Celler 1999). These systems are usually fully integrated into a home network and allow health professionals to monitor patients at home. The system consists of an antenna that a patient holds over their implanted cardiac device to transmit data for downloading over the telephone line and viewing by the patient's physician. The collected data can be accessed by the patient or family members. Another example of this type of system is a Smart Shirt that measures heart rate, electrocardiogram results, respiration, temperature and other vital functions and alerts the patient or physician if there is a problem (Bowie 2000).
Third generation
These types of systems would help older adults and people with disabilities deal with loneliness and depression by connecting them with other elderly or disabled individuals through the Internet, reducing their sense of isolation (Celler 1999).
Reminder systems
Home automation systems may include automatic reminder systems for the elderly (Cheek 2005). Such systems are connected to the Internet and make announcements over an intercom. They can prompt about doctor's appointments and taking medicine, as well as everyday activities such as turning off the stove, closing the blinds, locking doors, etc. Users choose what activities to be reminded of. The system can be set up to automatically perform tasks based on user activity, such as turning on the lights or adjusting room temperature when the user enters specified areas. Other systems can remind users at home or away from home to take their medicine, and how much, by using an alarm wristwatch with text message and medical alert. Reminder systems can also remind about everyday tasks such as eating lunch or walking the dog.
Some communities offer free telephone reassurance services to residents, which includes both safety check calls as well as reminders. These services have been credited with saving the lives of many elderly and senior citizens who choose to remain at home.
Medication Dispensing and Spoon-feeding
Smart homes can implement medication dispensing devices in order to ensure that necessary medications are taken at appropriate times (Cheek 2005). Automated pill dispensers can dispense only the pills that are to be taken at that time and are locked; versions are available for Alzheimer's patients that have a lock on them (Cheek 2005). For diabetic patients a talking glucose monitor allows the patient to check their blood sugar level and take the appropriate injection (Cheek 2005). Digital thermometers are able to recognize a fever and alert physicians. Blood pressure and pulse monitors dispense hypertensive medications when needed.
There are also spoon-feeding robots.
Home robotics
Domestic robots, connected to the domotic network, are included to perform or help in household chores. Dedicated robots included robots helping to administer medications and alerting a remote caregiver if the patient is about to miss his or her medicine dose (oral or no-oral medications).
The Care-Providing robot FRIEND developed at the Institute of Automation (IAT) of the University of Bremen is a semi-autonomous robot designed to support disabled and elderly people in their daily life activities, like preparing and serving a meal, or reintegration in professional life.
Challenges
The recent advances made in tailoring home automation toward the elderly have generated opposition. It has been stated that "Smart home technology will be helpful only if it is tailored to meet the individual needs of each patient" (Cheek 2005). This currently creates a problem because many of the interfaces designed for home automation "are not designed to take functional limitations, associated with age, into consideration" (Cheek 2005). Another problem that has been presented involves making the system user-friendly for the elderly who often have difficulty operating electronic devices. The cost of the systems has also presented a challenge, because although the systems would be cheaper than the costs of a long-term health care facility, the U.S. government currently provides no assistance to seniors who choose to install these systems (in some countries such as Spain the Dependency Law includes this assistance).
The biggest concern expressed by potential users of smart home technology is "fear of lack of human responders or the possible replacement of human caregivers by technology" (Cheek 2005), but home automation should be seen as something that augments, but does not replace, human care.
Source of the article : Wikipedia
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