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2673 results about "Total energy" patented technology
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Pulse oximeter probe-off detector
InactiveUS7471969B2Reduce probe off errorLimited abilitySensorsColor/spectral properties measurementsHigh signal intensitySignal quality
A processor provides signal quality based limits to a signal strength operating region of a pulse oximeter. These limits are superimposed on the typical gain dependent signal strength limits. If a sensor signal appears physiologically generated, the pulse oximeter is allowed to operate with minimal signal strength, maximizing low perfusion performance. If a sensor signal is potentially due to a signal induced by a dislodged sensor, signal strength requirements are raised. Thus, signal quality limitations enhance probe off detection without significantly impacting low perfusion performance. One signal quality measure used is pulse rate density, which defines the percentage of time physiologically acceptable pulses are occurring. If the detected signal contains a significant percentage of unacceptable pulses, the minimum required signal strength is raised proportionately. Another signal quality measure used in conjunction with pulse rate density is energy ratio, computed as the percentage of total energy contained in the pulse rate fundamental and associated harmonics.
Owner:JPMORGAN CHASE BANK NA
System and methods for maintaining power usage within a set allocation
InactiveUS7177728B2InhibitionReduce energy useMechanical power/torque controlLevel controlElectricityPower capability
Owner:JAY WARREN GARDNER
Method and apparatus including altimeter and accelerometers for determining work performed by an individual
Method and calculations determine an individual's, or several individuals' simultaneous rates of oxygen consumption, maximum rates of oxygen consumption, heart rates, calorie expenditures, and METS (multiples of metabolic resting rate) in order to determine the amounts of work that is performed by the individual's body. A heart monitor measures the heart rate, and an accelerometer measures the acceleration of the body along one or more axes. An altimeter measures change in altitude, a glucose monitor measures glucose in tissue and blood, and thermometers, thermistors, or thermocouples measure body temperature. Data including body fat and blood pressure measurements are stored locally and transferred to a processor for calculation of the rate of physiological energy expenditure. Certain cardiovascular parameters are mathematically determined. Comparison of each axis response to the individual's moment can be used to identify the type of activity performed and the information may be used to accurately calculate total energy expenditure for each physical activity. Energy expenditure may be calculated by assigning a separate proportionality coefficient to each axis and tabulating the resulting filtered dynamic acceleration over time, or by comparison with previously predetermined expenditures for each activity type. A comparison of total energy expenditure from the current activity is compared with expenditure from a previous activity, or with a baseline expenditure rate to assess the level of current expenditure. A measure of the individual's cardio-vascular health may be obtained by monitoring the heart's responses to various types of activity and to total energy expended.
Owner:TELECOM MEDICAL
Method And Apparatus Of Smart Power Management For Mobile Communication Terminals Using Power Thresholds
ActiveUS20120210325A1Provide functionalityReduce energy consumptionPower managementEnergy efficient ICTRunning timeComputer science
A method is provided for use in a mobile communication terminal configured to support a plurality of applications, wherein each application is executed by performing one or more tasks. The method includes, in response to a scheduling request from an application, obtaining an indication of power supply condition at a requested run-time of at least one of the tasks. The method further includes obtaining a prediction of a rate of energy usage by the task at the requested run-time, estimating, from the predicted rate of energy usage, a total amount of energy needed to complete the task, and making a scheduling decision for the task. The scheduling decision comprises making a selection from a group of two or more alternative dispositions for the task. The selection is made according to a criterion that relates the run-time power-supply condition to the predicted rate of energy usage by the task and to the estimate of total energy needed to complete the task.
Owner:ALCATEL LUCENT SAS
Multi-band spectral audio encoding
Owner:NIELSEN COMPANY US LLC THE A DELAWARE LIMITED LIABILITY
Adaptive electric car
InactiveUS20050052080A1Eliminate electromagneticEliminate electrical interferenceRailway vehiclesAc-dc conversionGasolineMotor control
An adaptive electric car or other vehicle with potentially better performance—power, efficiency, range—than a gasoline vehicle, at a competitive cost. The motor control system can dynamically adapt to the vehicle's operating conditions (starting, accelerating, turning, braking, cruising at high speeds) and other inputs and parameters. That consistently provides better performance. Isolating the vehicle's motor or generator electromagnetic circuits allows effective control of more independent parameters. That gives great freedom to optimize. Adaptive motors and generators for an electric vehicle are cheaper, smaller, lighter, more powerful, and more efficient than conventional designs. An electric vehicle with in-wheel adaptive motors delivers high power with low unsprung mass and high torque and power-density. Total energy management of the vehicles entire electrical system allows for large-scale optimization. An adaptive architecture improves performance of a wide variety of vehicles, particularly those that need optimal efficiency over a range of operating conditions.
Owner:BLUWAV SYST LLC
Skin treatment with optical radiation
InactiveUS20050045189A1Promote protect healthReduces and inhibits tissue damageElectrotherapyDiagnostics using lightOptical radiationFrequency spectrum
A hand held device generates a predetermined number of pulses of electromagnetic radiation having a predetermined electromagnetic spectrum, a predetermined duration, a predetermined inter-pulse interval, and a predetermined total energy. The pulse sequence is delivered to a skin surface to reduce or eliminate Xray or ultraviolet radiation damage to the skin surface.
Owner:JAY HARVEY H
LIDAR Based 3-D Imaging With Varying Pulse Repetition
ActiveUS20170269209A1Reduce total energy consumption and heatReduce consumptionElectromagnetic wave reradiationSteroscopic systemsPulse beamRadar
Methods and systems for performing three dimensional LIDAR measurements with different pulse repetition patterns are described herein. Each repetitive pattern is a sequence of measurement pulses that repeat over time. In one aspect, the repetition pattern of a pulsed beam of illumination light emitted from a LIDAR system is varied to reduce total energy consumption and heat generated by the LIDAR system. In some examples, the repetitive pattern is varied by skipping a number of pulses. In some examples, the repetitive pattern of pulses of illumination light emitted from the LIDAR system is varied by changing a repetition rate of the sequence of emitted pulses. In some examples, the pulse repetition pattern is varied based on the orientation of the LIDAR device. In some examples, the repetition pattern is varied based on an object detected by the LIDAR device or another imaging system.
Owner:VELODYNE LIDAR USA INC
Thermally Switched Reflective Optical Shutter
The thermally switched reflective optical shutter is a self-regulating “switchable mirror” device that reflects up to 100% of incident radiant energy above a threshold temperature, and reflects up to 50% of incident radiant energy below a threshold temperature. Control over the flow of radiant energy occurs independently of the thermal conductivity or insulating value of the device, and may or may not preserve the image and color properties of incoming visible light. The device can be used as a construction material to efficiently regulate the internal temperature and illumination of buildings, vehicles, and other structures without the need for an external power supply or operator signals. The device has unique aesthetic optical properties that are not found in traditional windows, skylights, stained glass, light fixtures, glass blocks, bricks, or walls. The device can be tailored to transmit sufficient visible light to see through in both the transparent and reflective states, while still providing significant control over the total energy transmission across the device.
Owner:RAVENBRICK
Process for conversion of biomass to fuel
ActiveUS7816570B2Meet growth needsEasy to processFatty acid esterificationRefining to change hydrocarbon structural skeletonAlkaneChain length
Owner:NORTH CAROLINA STATE UNIV
A joint optimization method for task unloading and resource allocation in a mobile edge computing network
ActiveCN109814951AFull restorationUniversalService provisioningProgram loading/initiatingDecision takingWireless resource allocation
The invention discloses a joint optimization method for task unloading and resource allocation in a mobile edge computing network, which comprises the following steps of 1, establishing an OFDMA (Orthogonal Frequency Division Multiple Access)-based multi-MEC (Mobile Edge Computing) base station and a multi-user scene model, wherein the MEC base station supports the multi-user access; 2, introducing an unloading decision mechanism; Meanwhile, constructing a local calculation model and a remote calculation model, selecting a user needing to perform calculation unloading, and establishing a calculation task unloading and resource allocation scheme based on minimum energy consumption under the condition of meeting the time delay constraint according to the conditions; 3, carrying out variablefusion on three mutually constrained optimization variables, namely an unloading decision variable, a wireless resource distribution variable and a computing resource distribution variable, so as to simplify the problem; and 4, obtaining an unloading decision and a resource allocation result which enable the total energy consumption of the user in the MEC system to be minimum through a branch andbound algorithm. The method has the advantage that the energy consumption of the system can be effectively reduced on the premise that strict time delay limitation is guaranteed.
Owner:NANJING UNIV OF POSTS & TELECOMM
Method and Apparatus for Optimization of Distributed Generation
ActiveUS20090048716A1Low costLower requirementElectrical storage systemBatteries circuit arrangementsThermal energyElectric power
An energy optimization method and control apparatus may be used in a single building or a group of buildings to optimize utility-supplied and renewable sources in order to minimize the total energy cost. Simultaneously, it may also produce and store energy, such as electricity or hydrogen, that can be used to fuel vehicles, provide a means for independent production of household energy needs, or both. Various factors, such as the production of thermal energy and electricity from the renewable sources, the current store of stored energy, the current and expected thermal and electricity requirements of the building (based on a profile), the current and expected electricity loads of the equipment used to process stored energy, the expected thermal and electricity generating capacity of the renewable sources and other factors can be used to determine the mix of renewable-based and utility-based energy that minimizes the total energy cost.
Owner:INTELLIGENT GENERATION
System and method for optimizing wake interaction between wind turbines
InactiveUS20090099702A1Increased energy captureEasy to captureLevel controlWind motor controlSmall wind turbineWind force
A system and method to increase the overall power output of a windpark during conditions when the wake created by an upstream turbine effects the power production of a downstream turbine. Minimizing the wake effects created by an upstream turbine on a downstream turbine increases the net power produced by both the upstream and downstream turbines. The invention is an implementation of an algorithm to determine the controller settings of one or more upstream turbines to increase total energy capture of the turbines in the windpark. The algorithm also reduces the fatigue loads on the downstream turbines by reducing the turbulence created by the wake effects of the upstream turbine.
Owner:GENERAL ELECTRIC CO
High Energy Lithium Ion Secondary Batteries
Lithium ion secondary batteries are described that have high total energy, energy density and specific discharge capacity upon cycling at room temperature and at a moderate discharge rate. The improved batteries are based on high loading of positive electrode materials with high energy capacity. This capability is accomplished through the development of positive electrode active materials with very high specific energy capacity that can be loaded at high density into electrodes without sacrificing performance. The high loading of the positive electrode materials in the batteries are facilitated through using a polymer binder that has an average molecular weight higher than 800,000 atomic mass unit.
Owner:IONBLOX INC
LIDAR Based 3-D Imaging With Varying Illumination Field Density
ActiveUS20170269198A1Reduce energy consumptionReduce consumptionElectromagnetic wave reradiationRadarOperating temperature
Methods and systems for performing three dimensional LIDAR measurements with varying illumination field density are described herein. A LIDAR device includes a plurality of pulse illumination sources and corresponding detectors. The current pulses supplied to the pulse illumination sources are varied to reduce total energy consumption and heat generated by the LIDAR system. In some embodiments, the number of active pulse illumination sources is varied based on the orientation of the LIDAR device, the distance between the LIDAR device and an object detected by the LIDAR device, an indication of an operating temperature of the LIDAR device, or a combination thereof. In some embodiments, the number of active pulse illumination sources is varied based on the presence of an object detected by the LIDAR device or another imaging system.
Owner:VELODYNE LIDAR USA INC
LIDAR Based 3-D Imaging With Varying Illumination Intensity
ActiveUS20170269197A1Reduce energy consumptionReduce consumptionElectromagnetic wave reradiationRadarPulse sequence
Methods and systems for performing three dimensional LIDAR measurements with different illumination intensity patterns are described herein. Repetitive sequences of measurement pulses each having different illumination intensity patterns are emitted from a LIDAR system. One or more pulses of each repetitive sequence have a different illumination intensity than another pulse within the sequence. The illumination intensity patterns are varied to reduce total energy consumption and heat generated by the LIDAR system. In some examples, the illumination intensity pattern is varied based on the orientation of the LIDAR device. In some examples, the illumination intensity pattern is varied based on the distance between a detected object and the LIDAR device. In some examples, the illumination intensity pattern is varied based on the presence of an object detected by the LIDAR device or another imaging system.
Owner:VELODYNE LIDAR USA INC
Methods of supplying energy to an energy bus in a hybrid electric vehicle, and apparatuses, media and signals for the same
InactiveUS6909200B2Reduce power supplyConvenient power supplyDigital data processing detailsPlural diverse prime-mover propulsion mountingEngineeringAuxiliary power unit
Owner:GE HYBRID TECH
Method and system for communicating in cooperative relay networks
ActiveUS20070165581A1Simple structureModel can be simplifiedError preventionFrequency-division multiplex detailsChannel state informationBroadcast data
A method and system for communicating information in a cooperative relay network of wireless nodes. The wireless nodes including a source, a set of relays, and a destination. Channel state information for each channel between a particular relay of the set of relays and the destination is estimated. A subset of the relays is selected based on the channel state information. The channel state information is fed back to the subset of relays. The source node can then broadcasting data packets from the source to the subset of relays, and the subset of relays forward coherently the data packets from the subset of relays to the destination using beamforming based on the channel state information, while adjusting power to minimize a total energy consumption in the network.
Owner:MITSUBISHI ELECTRIC RES LAB INC
Code interleaving for a structured code
ActiveUS8295250B2Higher false alarmsRadio transmissionError correction/detection using interleaving techniquesComputer hardwareCommunications system
Owner:QUALCOMM INC
Method and apparatus of sterilization using monochromatic UV radiation source
This invention provides a process of sterilizing a medical device, and preferably the contents of a sealed container which comprises said medical device, comprising the step of exposing said medical device to monochromatic ultraviolet radiation whereby the Dvalue of Bacillus stearothermophilus (ATCC 7953) is at least 23.7 mJ / cm2 monochromatic ultraviolet radiation at 257 nm to the spore. Further, this invention provides a process of sterilizing a medical device comprising the step of subjecting said medical device to monochromatic ultraviolet radiation wherein the minimum total energy density of said monochromatic ultraviolet radiation at 257 nm which reaches the microorganisms present on said medical device is at least 284 mJ / cm2. This invention further provides an apparatus for delivering UV radiation to a medical device for sterilization comprising a laser and a scanner for the laser such that at least 284 mJ / cm2 at 257 nm is applied to a treatment area for said medical device. This invention provides a process and apparatus in which sterilization can be achieved in less than 20 seconds, preferably less than 15 seconds, more preferably in less than 5 seconds. The process and apparatus are efficient and continuous.
Owner:JOHNSON & JOHNSON VISION CARE INC
Thermodynamic power conversion cycle and methods of use
ActiveUS7900450B2Improve energy conversion efficiencyMaximizing pressureAuxillary drivesFrom solar energyWorking fluidEngineering
Owner:ECHOGEN POWER SYST
Controlling an HVAC system in association with a demand-response event
ActiveUS20140277761A1Minimize cost functionSampled-variable control systemsMechanical apparatusNetwork connectionOptimal control
Apparatus, systems, methods, and related computer program products for carrying out a demand response (DR) event via an intelligent, network-connected thermostat associated with a structure. The systems disclosed include an energy management system in operation with an intelligent, network-connected thermostat located at a structure. The thermostat is operable to control an HVAC system. Control during a DR event period may be performed based on an optimal control trajectory of the HVAC system, where the control trajectory is optimal in that it minimizes a cost function comprising a combination of a first factor representative of a total energy consumption during the DR event period, a second factor representative of a metric of occupant discomfort, and a third factor representative of deviations of a rate of energy consumption over the DR event period.
Owner:GOOGLE LLC
Energy efficient wireless sensor network routing method
InactiveCN101360051AReduce energy consumptionBalance Energy ExpenditureEnergy efficient ICTData switching by path configurationTotal energyNetwork clustering
The invention discloses a routing method for the wireless sensor network with efficient energy, which is suitable for the layered sensor network structure. The routing method is composed of initialization, cluster building, adjacent clusters routing and routing maintenance, wherein, an initialization process of the protocol makes a Sink node obtain a topology and network average energy of the sensor network, and each node obtains hop counts from the node to the Sink node; in the stage of the cluster building, a repeated division method is used to divide sensor network clusters, the divided clusters are even, and a leader cluster node is undertaken by nodes with higher residual energy; the adjacent clusters routing uses an ant colony algorithm to determine the probability of using a link to send information according to the link pheromone concentration, and the link pheromone concentration is increased with the information transmission on the link and is reduced with the time going; and the routing maintenance stage is responsible for updating link pheromone concentration, and makes the nodes inside the cluster with higher residual energy undertake the leader cluster in turn. The routing method can reduce the consumption of the network total energy, can balance the consumption of the node energy and can prolong the network life cycle.
Owner:XIDIAN UNIV
Battery system for a vehicle with severable connections
ActiveUS20090159311A1Primary cell to battery groupingBatteries circuit arrangementsElectricityElectrical connection
A battery system for storing electrical power and supplying electrical power to a vehicle is disclosed. The system includes multiple battery packs, each with a plurality of cells. The cells in each battery pack are electrically connected with one another and the multiple battery packs are also electrically connected with one another to combine the total energy output of the cells of the system. The electrical connections between at least some of the cells include a severable feature, whereby the electrical connection is severed locally at the severable feature in response to an impact force that is in excess of a predetermined magnitude and / or an overcurrent / overtemperature condition.
Owner:BYD CO LTD
A computing task unloading method based on edge computing and cloud computing collaboration
ActiveCN109684075AReduce energy consumptionResource allocationTransmissionEdge computingMobile edge computing
Owner:SHENZHEN POWER SUPPLY BUREAU
Temporary hair removal method
InactiveUS6824542B2Stable removalEasy to operateDiagnosticsSurgical instrument detailsPR intervalSkin surface
Owner:JAY HARVEY H
Real-time arc control in electrosurgical generators
ActiveUS20090082765A1Undesired tissue damageControlling energy of instrumentProsthesisRadio frequencyTotal energy
An electrosurgical generator is disclosed. The generator includes a radio frequency output stage configured to generate a radio frequency waveform and a sensor circuit configured to measure a property of the radio frequency waveform during a predetermined sampling period to determine whether an arc event has occurred. The generator also includes a controller configured to determine a total charge and / or total energy deposited by the radio frequency waveform during the predetermined sampling period associated with the arc event. The controller is further configured to adjust the output of the electrosurgical generator based on at least one parameter to limit arcing.
Owner:COLORADO STATE UNIVERSITY +1
Delay and energy consumption-based efficient offloading method for computing task of mobile edge computing system
The invention discloses a delay and energy consumption-based efficient offloading method for a computing task of a mobile edge computing system. The method comprises the steps of building a macro basestation with multiple users and one deployment mobile edge computing (MEC) server and a single-cell cell model of a small base station without an MEC server; then building a mathematical model basedon a wireless communication theory; and finally, designing a delay and energy consumption-based efficient offloading solution for a computing task of the MEC system through a parallel greedy algorithm, and analyzing and providing the performance of the solution. Compared with existing efficient energy consumption offloading solution, the method well weights the delay sensitive demand and energy consumption demand of a terminal user, and lowers delay and total energy consumption of the system.
Owner:BEIJING UNIV OF TECH
System and Method for Determining Beam Power Level Along an Additive Deposition Path
ActiveUS20160059352A1High frequencyImprove numerical stabilityAdditive manufacturing apparatusArc welding apparatusBeam sourceEnergy balanced
A power schedule calculation method utilizes an idealized geometry to predict laser power levels on an additive path during laser deposition. The method calculates beam power for any point along the path traveled to form a build having a geometry. Each point along the path has associated with it an idealized geometry comprising a melt pool, hot zone and bulk portion. The method comprises creating a geometric description representing the geometry of the build during the process, creating a path description representing the path of the beam source through space during the process, calculating the idealized geometry for the point on the path based upon the geometric description and path description, calculating an energy balance at the melt pool for the point on the path, calculating total energy needed at the point on the path and calculating optimum beam source power. In the calculations, build temperature is based upon a calculation of hot zone temperature derived from the idealized geometry.
Owner:PROD INNOVATION & ENG L L C
Method and apparatus for optimization of distributed generation
ActiveUS8019445B2Lower requirementLow rateElectrical storage systemBatteries circuit arrangementsThermal energyStored energy
Owner:INTELLIGENT GENERATION
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