2247 results about "Power management system" patented technology

A power management system for a lighting circuit may include a grid shifting controller that includes a processor and a connection to an external power source. The power management system may also include a communication interface associated with the grid shifting controller. The grid shifting controller may be configured to provide control information to a processor of at least one grid shifting electrical fixture over the communication interface, the control information being configured to direct the at least one grid shifting electrical fixture on the use of power from the external power source and an energy storage device associated with the at least one grid shifting electrical fixture.

A method comprises collecting utilization data for a resource, and predicting by a power management system, based on the collected utilization data, future utilization of the resource. The method further comprises controlling, by the power management system, power to the resource, based at least in part on the predicted future utilization of the resource. In one embodiment, the utilization data is collected for a plurality of resources that are operable to perform tasks, and the method further comprises determining, by the power management system, how many of the resources are needed to provide a desired capacity for servicing the predicted future utilization of the resources for performing the tasks. The method further comprises configuring, by the power management system, ones of the resources exceeding the determined number of resources needed to provide the desired capacity in a reduced power-consumption mode.

A synchronous bi-directional active power conditioning system (11) suitable for wide variable frequency systems or active loads such as adjustable speed drives which require variable voltage variable frequency power management systems is disclosed. Common power electronics building blocks (100, 200) (both hardware and software modular blocks) are presented which can be used for AC-DC, DC-AC individually or cascaded together for AC-DC-AC power conversion suitable for variable voltage and / or wide variable frequency power management systems. A common control software building block (2, 5) includes a digital control strategy / algorithm and digital phase lock loop method and apparatus which are developed and implemented in a digital environment to provide gating patterns for the switching elements (3, 6) of the common power-pass modular power electronics building blocks (100, 200).

Described herein are devices, systems, and methods for managing the power consumption of an automotive vehicle, and thereby for optimizing the power consumption of the vehicle. The devices and systems for managing the power consumption of the vehicle typically include power management logic that can calculate an applied power for the vehicle engine based on information provided from the external environment of the vehicle, the operational status of the vehicle, one or more command inputs from a driver, and one or more operational parameters of the vehicle.

The present invention provides an apparatus and method for determining the magnitude of linear and rotational acceleration of an impact to a body part. The apparatus can be used with protective sports equipment, such as a sports helmet, wherein the apparatus includes a battery, a number of accelerometers positioned proximate to the outer surface of the head, and an electronic device with a processor and a transmitter to transmit data received from the accelerometers. To maximize the battery life and minimize power consumption by the electronic device, the apparatus includes a power management system with a sensor assembly. The sensor assembly sends a first signal to the electronic device to initiate operation when the sensor assembly detects the presence of an object within the helmet, and a second signal to the electronic device to cease operation when the sensor assembly detects the absence of the object. The sensor assembly may be a proximity sensor, more specifically an inductive, capacitive, or ultrasonic sensor.

A power management system for a microcontroller. The power management system includes a power management state machine for controlling a power mode of a central processing unit (CPU) and each subsystem within the microcontroller. Each microcontroller subsystem is connected to the system through a configurable peripheral interface (FPI). Each FPI includes a software configuration register (SFR) that can be configured by an operating system or application program. The SFR for the various FPIs can be preconfigured to allow the response to each of the power modes of the power management state machine to be independently controlled for each subsystem.

A cloud management system can determine if the operational state of the virtual machines and / or the computing systems needs to be altered in order to instantiate virtual machines. If the operational state of the computing systems needs to be altered, the cloud management system retrieves an identification of the power management systems supporting the computing systems. The cloud management system can utilize the identification of the power management systems to instruct the power management systems to alter the power state of the computing system in order to instantiate the virtual machines.

A system for rack level power management, the system comprising: at least one power source; a management module; and a plurality of power managed modules in communication with the management module and connected to draw power from the at least one power source, each of the plurality of power managed modules comprising a power manager and an operating circuit, the operating circuit being operable at a plurality of power drawing levels responsive to the power manager, the management module being operative to allocate a power budget to each of the plurality of power managed modules and communicate the allocated power budgets to the power managers, each of the power managers being operative to control the operating circuit of the power managed module to be operable at a power drawing level within the allocated budget.

Computer based energy service provider (ESP) information service has been developed for providing operational and management services for distributed local power generation units. The ESP is a subscription service for customers that purchase power from utilities and generate their own power on site from a local power generation unit. The ESP service enables those customers to decide when to purchase power from the utility or generate their own power, and may provide control of the customer's power generation unit. Using the ESP, a customer may select whether to exclusively purchase power from a utility, exclusively generate its own power or allow the ESP service to determine whether power should be purchased or self-generated. The ESP service stores the customer's selections and remotely controls and operates the local power generation unit and a switch which connects the customer site alternatively to a utility power source or the power generation service.

An intelligent power management system that includes a circuit breaker containing a PLC module that spans open contacts of the circuit breaker to provide a communication path for PLC messages between the line and load sides of the circuit when the contacts are open. The contacts are motorized to permit remote operation through PLC messaging. Coupled to the PLC module is a controller, which controls the opening and closing of the motorized contacts under user control or via an adaptive load management algorithm that reduces peak power consumption and adapts a set of loads to changed power supply conditions. The controller can also dynamically alter operational current and fault threshold levels on a real-time basis based upon circuit requirements or environmental conditions. The algorithm runs a state machine and also manages loads in a limited power source environment such as when loads are powered by a generator.

A backup power management system connectable to a primary power source and a secondary power source, and a method of operating the same. The system includes a transfer switch connectable to the primary and secondary power sources, and a plurality of circuit branches connected to the transfer switch. The circuit branches include first and second remotely operated branches having first and second managed circuit breakers, respectively. The system further includes a controller connected to the first and second managed circuit breakers. The controller controls the managed circuit breakers, thereby controlling the current through the first and second managed circuit branches.

A method and apparatus for distributing power to a plurality of computers in a network. A power management system including a feed-back mechanism, is employed to monitor power consumptions of the plurality of computers. Should the overall power consumption reach a threshold, the power management system instructs the microprocessors in the plurality of computers to enter into a lower power state, such as a sleep state, for a certain duration, thus lowering overall power.

An improved radio frequency identification (RFID) tag and related reader system and process are provided, wherein the RFID tag includes an on-board battery for enhanced signal transmission range, relatively rapid signal transmission speed, and optimized completion of a data transaction between the tag and a reader. The RFID tag further includes a power management system for activating the tag battery on an as-needed basis, and for thereupon enabling limited portions of the tag circuitry as required for a specific communication protocol, thereby conserving battery power and prolonging battery service life. In one preferred form, the battery is integrated with an antenna structure of single or dual mode with respect to frequency or type. This combination battery-antenna may be designed for recharging from a source of ambient energy.

A refrigerated truck has a power management system for optimally distributing power between one or more energy sources, energy sinks, or energy storage components on the refrigerated truck. One such power consuming component includes a refrigeration unit that cools a refrigerated compartment of the refrigerated truck. Particularly with regard to this refrigeration unit, the power management system is operative to direct power from multiple power sources to the refrigeration unit so as to efficiently use available power. To do so, the power management system dynamically determines the availability of certain power sources and selects a preferred power source based on availability and a defined order of power source preference. For example, one defined order of power source preference may include, in order of preference upon availability, a shore power source, a truck engine generator drivingly connected to the refrigerated truck's engine, one or more auxiliary power sources, and a stand alone refrigerator unit engine.

A memory circuit power management system and method are provided. In use, an interface circuit is in communication with a plurality of memory circuits and a system. The interface circuit is operable to interface the memory circuits and the system for performing a power management operation in association with at least a portion of the memory circuits. Such power management operation is performed during a latency associated with one or more commands directed to at least a portion of the memory circuits.

An audio power management system manages operation of audio devices in an audio system. The audio power management system includes a parameter computer, a threshold comparator and a limiter. Audio signals generated with the audio system may be provided to the audio power management system. Based on a measured actual parameter of the audio signal, such as a real-time actual voltage and / or a real-time actual current, the parameter computer can derive estimated operational characteristics of audio devices, such as a loudspeaker included in the audio system. The threshold comparator may use the estimated operational characteristics to develop a threshold and manage operation of one of more devices in the audio system by monitoring the measured actual parameter, and selectively directing the limiter to adjust the audio signal, or another device in the audio system to protect or optimize performance.

In one set of embodiments, a power management system comprises two or more devices, such as POL devices, configured to transmit and receive data over a shared bus, such as an I2C bus, according to the bus protocol of the shared bus. Each device may be configured with at least one respective address register, which may be programmed with an address uniquely identifying the device, and a mask register that may be configured to mask select bits of the respective address register, thereby enabling the device to identify device groups. In one embodiment, one of the devices identifying itself as a master device may distribute information to any of the other devices by transmitting the information, which may include commands and / or data, to itself, in effect targeting the address programmed into its own address register. The devices on the shared bus may be configured to monitor the bus for events, and respond to each event according to the requirements inherent within a transmitted command, thereby performing the necessary tasks to enable power management functions without the need for interconnecting analog signal lines.

A wind turbine system includes a variable blade assembly including adjustable sails and wing shaped masts expanding the wind velocity capture envelope. The blade assembly turns a hydraulic pump, which pressurizes fluid and stores the pressurized fluid in a chamber in the support tower. Pressurized fluid is directed via an electronically controllable proportioning valve to a hydraulic motor which is coupled to an electric generator. A computer control module operates the proportioning valve regulating pressure to the hydraulic motor, maintaining generator rotational speed, and providing consistent output frequency to the power grid. Stored energy in the high pressure tank is used to continue generator operation after the winds cease, allowing early warning notification to the power management system of impending power loss. Residual pressure maintained in the high pressure tank allows restart operations via hydraulic pressure rather than power grid energy drain. On site high energy capacitors store additional energy.

Described herein are devices, systems, and methods for managing the power consumption of an automotive vehicle, and thereby for optimizing the power consumption of the vehicle. The devices and systems for managing the power consumption of the vehicle typically include power management logic that can calculate an applied power for the vehicle engine based on information provided from the external environment of the vehicle, the operational status of the vehicle, one or more command inputs from a driver, and one or more operational parameters of the vehicle.

A system has a plurality of electronic components that are powered by a power source, and each of the components is associated with a respective power cap. The system further has logic configured to monitor power consumption of the electronic components over a duration and dynamically adjust at least one power cap associated with at least one of the electronic components based on the monitored power consumption.

A system and method provide emergency back-up power for communications, security and other systems of an electric power consumer, and for peak-shifting of the electrical load so that electricity is generated and stored when demand is low, and the stored power is used when demand is high. Embodiments include providing an electric power management device having a battery and a communication system at the premises of a consumer of electricity, and connecting the power management device to an electric power provider. The battery is charged at an off-peak time when a demand for electricity is low, as determined by the electric power provider; and discharged to provide electricity to the consumer at a time when the demand for electricity is high, as determined by the electric power provider. The charging and discharging is controlled by the electric power provider.

A power management method is disclosed. The power management method comprises the step of a computer system checking existence of a manufacturing identifier (ID) of a human interface device (HID) when the computer system is operated in a first mode; the computer system continuously detecting whether the HID exist when the manufacturing ID exists; the computer system starting a timer when the computer system detects that the HID does not exist; the computer system entering a second mode when the timer expires; the HID determining whether the computer system is operated in the second mode, when plugged into the computer system; the HID performing state transition on the computer system when determining that the computer system is in the second mode; and the computer system entering the first mode when detecting the state transition.

A message based power management system converts legacy signals used in power management, and other signals used to differentiate between power states, to messages sent over a communication link. A system message sent on a communication link includes a field encoding the level of power management for the device receiving the system message. Further, one or more additional signals, separate from the communication link, may be used to indicate when to take action after the power management message has been received.

A power management system and method for multiple redundant power supplies. The present invention provides management and control of N+M power supplies, where N represents the minimum number of power supplies required and where M is the number of redundant power supplies (M>1), where any one of the power supplies may be capable of supplying power to all the loads of the power subsystems. In the preferred embodiment each power subsystem includes a power supply and a controller coupled to a power bus. A communication bus is provided common to each power subsystem. During reset or power-on periods, the controllers are programmed to uniquely delay the start time of each power supply, thereby protecting against an overcurrent / overvoltage condition on the power bus during reset periods. A master controller is provided to monitor normal operating conditions of the power subsystems and communication bus. The master controller is programmed to ensure that a predetermined number of power supplies are coupled to the power bus, even in the event of total or partial communication failure.

A cordless electronic device with power management system and method is provided that includes an outer surface, a power consumption circuit operable to consume power and for use in a cordless electronic device, a power supply circuit operable to regulate the power from a power source used to power the power consumption circuit of the cordless electronic device, a power control circuit operable to receive an input signal and to place the power consumption circuit in a lower or higher power state upon receipt of the input signal, a presence sensor operable to detect the presence of a user and to provide a presence sensor input signal to the power control circuit to place the power consumption circuit in the higher power state.

A power management apparatus includes a communication unit to receive power rate information from a power provider and receive power consumption information and reservation information from an electric device, and a controller to decide an operation order on the basis of power consumption information and reservation information of the electric device, perform scheduling to decide an operation start time on the basis of the power rate information and reservation information in the operation order, and control an operation time of the electric device on the basis of the scheduling result. As a result, the power management apparatus performs optimum scheduling of an electric device using power rate information provided from the power provider, and power consumption information and reservation information of the electric device, resulting in an increase in user satisfaction.