System and method for server based control
A system and method in a building or vehicle for an actuator operation in response to a sensor according to a control logic, the system comprising a router or a gateway communicating with a device associated with the sensor and a device associated with the actuator over in-building or in-vehicle networks, and an external Internet-connected control server associated with the control logic implementing a PID closed linear control loop and communicating with the router over external network for controlling the in-building or in-vehicle phenomenon. The sensor may be a microphone or a camera, and the system may include voice or image processing as part of the control logic. A redundancy is used by using multiple sensors or actuators, or by using multiple data paths over the building or vehicle internal or external communication. The networks may be wired or wireless, and may be BAN, PAN, LAN, WAN, or home networks.
1 . A method for controlling or activating an Alternating-Current (AC) powered household appliance using a Wireless Local Area Network (WLAN), the method comprising:
connecting, by an AC connector, the appliance to an AC power source;
measuring, by a current sensor that is coupled to the AC connector, an AC current consumed by the appliance;
providing, by a first sensor, an output that responds to a physical phenomenon;
coupling, by a WLAN antenna, to the WLAN;
transmitting digital data to, and receiving digital data from, the WLAN, by a WLAN transceiver that coupled to the WLAN antenna; and
transmitting, by the WLAN transceiver via the WLAN antenna to the WLAN, digital data that is based on, or comprises, the output of the first sensor;
transmitting, by the WLAN transceiver via the WLAN antenna to the WLAN, digital data that is based on, or comprises, the measured AC current;
receiving, by the WLAN transceiver via the WLAN antenna from the WLAN, control data; and
controlling or activating the appliance in response to the received control data,
wherein the appliance, the current sensor, the first sensor, the WLAN antenna, and the WLAN, are housed in a single enclosure.
2 . The method according to claim 1 , wherein a primary function of the appliance is associated with food storage, handling, or preparation.
3 . The method according to claim 2 , wherein the primary function of the appliance is heating food.
4 . The method according to claim 3 , wherein the appliance comprises a microwave oven, an electric mixer, a stove, an oven, or an induction cooker.
5 . The method according to claim 2 , wherein the primary function of the appliance is cooling food.
6 . The method according to claim 4 , wherein the appliance comprises a refrigerator, a freezer, or an iced-tea maker.
7 . The method according to claim 2 , wherein the appliance comprises a dishwasher, a food blender, a beverage maker, or a coffeemaker.
8 . The method according to claim 1 , wherein the primary function of the appliance is associated with environmental control.
9 . The method according to claim 8 , wherein the appliance consists of, or is part of, an HVAC system.
10 . The method according to claim 1 , wherein the primary function of the appliance is associated with temperature control.
11 . The method according to claim 10 , wherein the appliance is an air conditioner or a heater.
12 . The method according to claim 1 , wherein the primary function of the appliance is associated with cleaning.
13 . The method according to claim 12 , wherein a primary function of the appliance is associated with clothes cleaning.
14 . The method according to claim 13 , wherein the appliance is a washing machine or a clothes dryer, or wherein the appliance is a vacuum cleaner.
15 . The method according to claim 1 , wherein the primary function of the appliance is associated with water control or water heating.
16 . The method according to claim 1 , wherein the appliance is an answering machine, a telephone set, a home cinema system, a HiFi system, a CD or DVD player, an electric furnace, a trash compactor, a smoke detector, a light fixture, or a dehumidifier.
17 . The method according to claim 1 , wherein the single enclosure further houses an electrically actuated switch connected to switch electric power to at least part of the appliance, the method further comprising actuating the switch in response to the received control data.
18 . The method according to claim 17 , wherein the electrically actuated switch is ‘normally open’ type, ‘normally closed’ type, or a changeover switch, wherein the electrically actuated switch is ‘make-before-break’ or ‘break-before-make’ type, or wherein the electrically actuated switch have two or more poles or two or more throws, and contacts of the electrically actuated switch are arranged as a Single-Pole-Double-Throw (SPDT), Double-Pole-Double-Throw (DPDT), Double-Pole-Single-Throw (DPST), or Single-Pole-Changeover (SPCO).
19 . The method according to claim 17 , wherein the electrically actuated switch is a latching or a non-latching type relay.
20 . The method according to claim 19 , wherein the relay is a solenoid-based electromagnetic relay that is a reed relay, wherein the relay is solid-state or semiconductor based, or wherein the relay is a Solid State Relay (SSR).
21 . The method according to claim 17 , wherein the electrically actuated switch is based on an electrical circuit that comprises an open collector transistor, an open drain transistor, a thyristor, a TRIAC, or an opto-isolator.
22 . The method according to claim 1 , wherein the current sensor comprises an ampermeter, galvanometer, or a hot-wire ampermeter.
23 . The method according to claim 1 , wherein the current sensor comprises a current clamp, a current probe, a current transformer, or uses a ‘Hall effect’.
24 . The method according to claim 1 , wherein the current sensor is a non-contact or a non-conductive current meter.
25 . The method according to claim 1 , wherein the single enclosure further houses a wattmeter connected to the AC connector, the method further comprising measuring a magnitude of the active AC power or an electrical energy consumed by the appliance.
26 . The method according to claim 15 , wherein the wattmeter comprises single or multi-phase AC power or energy meter.
27 . The method according to claim 15 , wherein the wattmeter comprises a bolometer, or wherein the wattmeter accumulates or averages readings.
28 . The method according to claim 15 , wherein the wattmeter comprises the current sensor, or wherein the wattmeter is based on multiplying a measured voltage and the AC current measured by the current sensor.
29 . The method according to claim 15 , wherein the wattmeter or the current sensor are induction based.
30 . The method according to claim 1 , wherein the WLAN is according to, based on, or compatible with, IEEE 802.11-2012, IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, or IEEE 802.11ac.
31 . The method according to claim 1 , wherein the WLAN uses an unlicensed radio frequency band.
32 . The method according to claim 31 , wherein the unlicensed radio frequency band is an Industrial, Scientific and Medical (ISM) radio band.
33 . The method according to claim 1 , further for use with a cellular telephone network, an antenna that is a cellular antenna, and a cellular modem, wherein the method further comprising transmitting digital data to, and receiving digital data from, the cellular telephone network, by the cellular modem that is coupled to the cellular antenna.
34 . The method according to claim 33 , wherein the cellular telephone network is a Third Generation (3G) network that uses Universal Mobile Telecommunications System (UMTS), Wideband Code Division Multiple Access (W-CDMA) UMTS, High Speed Packet Access (HSPA), UMTS Time-Division Duplexing (TDD), CDMA2000 1×RTT, Evolution-Data Optimized (EV-DO), or Global System for Mobile communications (GSM), Enhanced Data rates for GSM Evolution (EDGE) EDGE-Evolution, or wherein the cellular telephone network is a Fourth Generation (4G) network that uses Evolved High Speed Packet Access (HSPA+), Mobile Worldwide Interoperability for Microwave Access (WiMAX), Long-Term Evolution (LTE), LTE-Advanced, Mobile Broadband Wireless Access (MBWA), or is based on IEEE 802.20-2008.
35 . The method according to claim 1 , further comprising an electrically actuated switch connected to switch electric power to at least part of the appliance, wherein the controlling or activating comprises controlling or activating the switch in response to the physical phenomenon.
36 . The method according to claim 1 , wherein the first sensor is a piezoelectric sensor that includes single crystal material or a piezoelectric ceramics and uses a transverse, longitudinal, or shear effect mode of the piezoelectric effect.
37 . The method according to claim 1 , further comprising multiple sensors arranged as a directional sensor array operative to estimate a number, magnitude, frequency, Direction-Of-Arrival (DOA), distance, or speed of the physical phenomenon impinging the sensor array.
38 . The method according to claim 1 , wherein the first sensor is a thermoelectric sensor that responds to a temperature or to a temperature gradient of an object using conduction, convection, or radiation, and wherein the thermoelectric sensor consists of, or comprises, a Positive Temperature Coefficient (PTC) thermistor, a Negative Temperature Coefficient (NTC) thermistor, a thermocouple, a quartz crystal, or a Resistance Temperature Detector (RTD).
39 . The method according to claim 1 , wherein the first sensor consists of, or comprises, a nanosensor, a crystal, or a semiconductor.
40 . The method according to claim 1 , wherein the first sensor consists of, or comprises, an eddy-current sensor.
41 . The method according to claim 1 , wherein the first sensor consists of, or comprises, an atmospheric or an environmental sensor.
42 . The method according to claim 1 , wherein the first sensor consists of, or comprises, a bulk or surface acoustic sensor.
43 . The method according to claim 1 , wherein the first sensor consists of, or comprises, a radiation sensor that responds to radioactivity, nuclear radiation, alpha particles, beta particles, or gamma rays, and is based on gas ionization.
44 . The method according to claim 1 , wherein the first sensor consists of, or comprises, a photoelectric sensor that responds to a visible or an invisible light, and wherein the invisible light is infrared, ultraviolet, X-rays, or gamma rays.
45 . The method according to claim 44 , wherein the photoelectric sensor is based on a photoelectric or photovoltaic effect, and consists of, or comprises, a semiconductor component that consists of, or comprises, a photodiode, a phototransistor, or a solar cell.
46 . The method according to claim 45 , wherein the photoelectric sensor is based on Charge-Coupled Appliance (CCD) or a Complementary Metal-Oxide Semiconductor (CMOS) element.
47 . The method according to claim 1 , wherein the first sensor consists of, or comprises, a photosensitive image sensor array comprising multiple photoelectric sensors, for capturing an image and producing electronic image information representing the image, and the appliance further comprising one or more optical lens for focusing the received light and to guide the image, and wherein the image sensor is disposed approximately at an image focal point plane of the one or more optical lens for properly capturing the image.
48 . The method according to claim 47 , further comprising an image processor coupled to the image sensor for providing a digital data video signal according to a digital video format, the digital video signal carrying digital data video based on the captured images, and wherein the digital video format is based on one out of: TIFF (Tagged Image File Format), RAW format, AVI, DV, MOV, WMV, MP4, DCF (Design Rule for Camera Format), ITU-T H.261, ITU-T H.263, ITU-T H.264, ITU-T CCIR 601, ASF, Exif (Exchangeable Image File Format), and DPOF (Digital Print Order Format) standards.
49 . The method according to claim 1 , wherein the first sensor consists of, or comprises, an electrochemical sensor that responds to an object chemical structure, properties, composition, or reactions.
50 . The method according to claim 49 , wherein the electrochemical sensor consists of, or comprises, a pH meter or a gas sensor responding to a presence of radon, hydrogen, oxygen, or Carbon-Monoxide (CO), or wherein the electrochemical sensor is based on optical detection or on ionization and is a smoke, a flame, or a fire detector, or is responsive to combustible, flammable, or toxic gas.
51 . The method according to claim 1 , wherein the first sensor consists of, or comprises, an electroacoustic sensor that responds to an audible or inaudible sound.
52 . The method according to claim 51 , wherein the electroacoustic sensor is an omnidirectional, unidirectional, or bidirectional microphone that is based on the sensing an incident sound-based motion of a diaphragm or a ribbon, and the microphone consists of, or comprises, a condenser, an electret, a dynamic, a ribbon, a carbon, or a piezoelectric microphone.
53 . The method according to claim 1 , wherein the single enclosure further houses a light source that emits visible or non-visible light for illumination or indication, the non-visible light is infrared, ultraviolet, X-rays, or gamma rays, the light source is coupled to the AC connector for being powered from the AC power, and wherein the light source is coupled to the WLAN transceiver for illumination or indication in response to digital data received from the WLAN.
54 . The method according to claim 53 , wherein the light source is coupled to the current sensor for illumination or indication in response to the measured AC current.
55 . The method according to claim 53 , wherein the light source consists of, or comprises, a lamp, an incandescent lamp, a gas discharge lamp, a fluorescent lamp, a Solid-State Lighting (SSL), a Light Emitting Diode (LED), an Organic LED (OLED), a polymer LED (PLED), or a laser diode.
56 . The method according to claim 1 , wherein the single enclosure houses an actuator for affecting a physical phenomenon, wherein the actuator is coupled to the wireless transceiver for being activated or controlled in response to digital data received from the wireless network.
57 . The method according to claim 56 , wherein the actuator consists of, or comprises, a motion actuator that causes linear or rotary motion, and the appliance further comprising a conversion mechanism for respectfully converting to rotary or linear motion based on a screw, a wheel and axle, or a cam.
58 . The method according to claim 56 , wherein the actuator consists of, or comprises, a sounder for converting an electrical energy to omnidirectional, unidirectional, or bidirectional pattern emitted, audible or inaudible, sound waves.
59 . The method according to claim 56 , wherein the actuator consists of, or comprises, an electromagnetic coil or an electromagnet operative for generating a magnetic or electric field.
60 . The method according to claim 56 , wherein the actuator consists of, or comprises, an electrical signal generator.
61 . The method according to claim 56 , wherein the actuator consists of, or comprises, a chemical or an electrochemical actuator, and is operative for producing, changing, or affecting a matter structure, properties, composition, process, or reactions.
62 . The method according to claim 56 , wherein the actuator consists of, or comprises, a thermoelectric actuator and is a heater or a cooler, operative for affecting a temperature of a solid, a liquid, or a gas object, and is coupled to the object by conduction, convection, force convention, thermal radiation, or by a transfer of energy by phase changes.
63 . The method according to claim 1 , further being addressable in the WLAN using distinct locally administered addresses or a universally administered digital addresses stored in a volatile or non-volatile memory in the single enclosure, which uniquely identifying the appliance in the wireless network or in the Internet.
64 . The method according to claim 63 , wherein the digital address is a Media Access Control (MAC) layer address that is MAC-48, Extended Unique Identifier (EUI) EUI-48, or EUI-64 address type.
65 . The method according to claim 63 , wherein the digital address is a layer 3 address and is static or dynamic Internet Protocol (IP) address that is IPv4 or IPv6 type address.
66 . The method according to claim 63 , wherein the digital address is autonomously assigned, or wherein the digital address is assigned by another appliance using Dynamic Host Configuration Protocol (DHCP).