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|Core System Requirements This section lists all of the core functional requirements for the SH system. 3.1 Central Processing Requirements 3.1.1 System shall operate on a system capable of multiprocessing. 3.1.2 System shall operate on a system capable of near real-time execution of instructions. 3.1.2.1 System shall service triggers or stimuli in no more than 500 milliseconds. 3.1.3 System shall operate in a highly available and fault-tolerant manner. 3.1.3.1 System shall have a reported uptime of 99.9% (4 NINES) 3.1.3.2 System shall recover from locked state in less than one (1) second. 3.1.4 System shall have a database associated with it that can handle transaction processing at a rate of 1,000 transactions per minute. 3.1.5 System shall have redundant databases for fail-over purposes. 3.1.6 System shall perform periodical offsite and onsite backups of all configuration and reporting data. 3.1.7 System shall support wireless encryption protocols WPA [1-2] and WEP. 3.1.8 System shall support wired Ethernet for 1 gigabit per second, and contain cat 6e cabling. 3.1.9 System may contain separate SAN device for storage flexibility. 3.1.10 System may contain separate video recorder/processor for process distribution. 3.1.11 If system supports recording more than three (3) television shows simultaneously, then system shall have separate video recorder. Accessibility Accessibility is defined as the need of the SH system to be usable by all persons, including those with any physical impairments or those with difficulty operating and/or understanding complex electronic systems. Priority = High. 4.1 Use of SH Features 4.1.1 SH System shall be usable by those with slight vision loss. 4.1.1.1 System shall not have any buttons smaller than one (1) inch square. 4.1.1.2 System shall have all consoles and controlling devices between four (4) and five (5) feet from ground level. 4.1.1.3 System shall have backlighting on all buttons for nighttime ease of use. 4.1.1.4 System shall have options to increase and decrease font sizes on web interfaces and all console and controlling devices. 4.1.1.5 System shall have liquid layouts for all graphical interfaces for display on many different types of display devices. 4.1.2 System shall be easy to use. 4.1.2.1 System shall be understood by users at all levels of understanding with no more than four (4) hours of training.4.1.2.2 System shall have a help function associated with all user entry possibilities. 4.1.2.3 System shall have text-to-speech capabilities to allow the user to receive vocal instructions for help and how-to menu items. 5 Environment Environment encompasses air quality controls, but also includes other environmental elements such as lighting levels, water purification, and so on. Priority = High. 5.1 Water, Air Purification Water purification and air quality are key factors to a good environment within the SH. This system seeks to improve by monitoring both air quality and water purification. Priority = High. 5.1.1 SH shall have a reverse osmosis water purification system. 5.1.2 SH shall have a nonfiltered water system. 5.1.3 System shall store data on how much water passes through the filtration unit each day. 5.1.4 System may send notifications to users about how much water passes through the filtration system. 5.1.5 System shall have the option to send notifications to users when water filtration unit needs cleaning. 5.1.6 System shall incorporate water softener system into water system. 5.1.7 System shall monitor the salt in the water softener. 5.1.8 System shall accept user input for desirable levels of salt in the water softener device. 5.1.9 System shall send notifications to users when salt in softener gets below user-defined levels. 5.1.10 System shall monitor air filter. 5.1.11 System shall send notification to users when air filter needs to be cleaned or changed. 5.1.12 System shall provide monitors for measuring air quality. 5.1.13 System shall accept user input for air quality thresholds. 5.1.14 System shall notify users when air quality reaches levels outside the user-defined thresholds. 5.2 Health and Safety Detectors This section describes the role and interfaces for various common household detectors. The detectors carry out their common functionality, but reactions are automated, and historical data are logged. Priority = High. 5.2.1 SH shall have at least one (1) multipurpose detector for detecting smoke and carbon monoxide on each floor. 5.2.2 System shall not interfere in any way with detector manufacturer's operating procedures. 5.2.3 System shall accept user input for dangerous levels of smoke and carbon dioxide. 5.2.4 System shall trigger warning and require additional confirmation when users select levels outside the manufacturer's settings for dangerous levels of smoke and carbon dioxide.5.2.5 System shall notify proper authorities when levels above user-defined thresholds of smoke or carbon monoxide are detected. 5.2.6 System shall tie into detectors to send remote alert messages to users when elevated levels of smoke or carbon monoxide are detected. 5.2.7 System shall utilize radon detector in the basement. 5.2.8 System shall allow users to set defined ceiling for radon levels. 5.2.9 System shall accept input from users for notification events for radon level detections. 5.2.10 System shall send notifications based on user-defined notification events to interested parties when radon levels are more than the user-defined ceiling. 5.2.11 System shall activate basement fan system when radon levels report above defined ceiling. 5.2.12 System shall record radon levels routinely. 5.2.13 System shall allow users to view reports on radon levels. 5.2.14 System shall persist radon level data for no less than ninety (90) days. Publications @ 2014 6 Energy Efficiency Energy efficiency covers the extent to which the SH system enables the users to monitor and enhance energy efficiency of the house through "smart" and adaptive controls and interfaces. Priority = High. 6.1 Air Conditioner/Heating Controlling and adapting the air conditioning and heating are important aspects of using energy efficiently. Not only does the SH seek to improve the ease of use of traditional thermostats, but also to provide intelligence in order to optimize the use of the system. Priority = High. 6.1.1 SH shall be divided into zones for heating and cooling. 6.1.2 System shall accept desired temperature settings for each zone, for no less than four (4) periods in the day. 6.1.3 System shall accept input for desired room temperature when room is unoccupied. 6.1.4 System shall detect motion to determine if a room is occupied, and make proper adjustments to the temperature. 6.1.5 System shall differentiate between pets and occupants for motion detection and temperature adjustment. 6.1.6 System shall monitor outdoor temperature and humidity. 6.1.7 System shall shut down air conditioning and open windows if temperature outside is cooler than the inside temperature 6.1.8 System shall not open or close any windows if there is something in the desired path of the window (see Figure A.1). 6.1.9 System shall reverse directions of windows if they encounter any resistance. 6.1.10 System shall send notifications to users if windows need to reverse path or windows cannot complete desired action (open or close). 6.2 Time-of-Day UsageTime-of-day usage refers to common utility programs that provide reduced rates for utilities used during off-peak time periods 6.2.1 Appliances shall be configured if they need to be used as time-of-day devices. 6.2.2 System shall accept definitions for the range for time-of-day savings. 6.2.3 System shall queue up appliance(s) to run when time-of-day period starts if it (they) is (are) a time-of-day device. 6.2.4 System shall allow user to override the time-of-day setting to run the device/appliance immediately. 6.2.5 System may send notification when device has completed its work. 7.1.1 System shall have biometric and keypad door locks for all points of entry into the house 7.1.2 System shall allow users to encode a one-time use door code for expected visitors. 7.1.2.1 System shall allow users to remotely code a one-time use code for visitors (i.e., over the phone, Internet, or some other mobile device). 7.1.3 System shall record all entries based on code entered or biometrics presented. 7.1.4 System shall present report to users for all entries. 7.1.5 System shall maintain home entry data for no less than ten (10) years. 7.1.6 System shall allow for RFID tags to open garage doors. 7.1.7 System shall allow for biometric and key pad entry to open garage doors. 7.1.8 System shall allow user to configure maximum duration for garage door to remain open. 7.1.9 System shall shut open garage door if it is open past the user-defined maximum. 7.1.10 System shall allow user to override automatically shutting the garage door (i.e., "Hold Open option"). 7.1.11 Garage door shall reverse course if something is blocking its path. 7.1.12 System shall notify user if the garage door is unable to safely close. 7.1.13 System shall allow users to configure entry routine for all RFID, biometric, and key codes (i.e., upon entry for user X through the garage door, turn on garage light, hall light, and kitchen light). 7.2 Unattended Home Unattended Home is a set of responses to various triggers throughout the home and immediate responses to those triggers. This will aid in security of the home. Priority = High. 7.2.1 System shall allow users to set an away mode. 7.2.2 System shall define away mode as time and date range when users will be away from their house. 7.2.3 System shall allow users to configure lights in any room to go on for some defined duration while they are away. 7.2.4 System shall deploy motion detectors always to be on for the duration while the user is away. 7.2.5 System shall differentiate between motion detected for pets and humans. 7.2.6 System shall send notification to users if any motion detectors are triggered while the user is away. 7.2.7 User shall be presented options to view various cameras via the web or some other mobile device when motion detectors are triggered.7.2.8 User shall be given the option to alert the authorities when motion detectors are triggered. 7.2.9 System shall turn on user-defined lights inside and outside the house when motion detectors are triggered. 7.3 Monitoring Anywhere Occupants and users of the SH's system should be able to monitor the home from anywhere they wish. This includes many different cameras within the SH as well as at various points of entry and other triggers placed throughout the home. This will give the occupants more freedom to travel while feeling their home is secured and well cared for. Priority = Medium. 7.3.1 System shall show camera data streams to any television in the house. 7.3.2 System shall incorporate cameras at points of entry with doorbells to allow users to view visitor 7.3.3 System shall allow user to remotely unlock the door to permit entry to the visitors. 7.3.4 System shall allow users to notify emergency personnel of possible intruder. 7.3.5 System shall permit users to view security cameras from a secure website or mobile device for remote viewing of property