Abstract: Determining sensor placement in distributed networks includes identifying measurement locations in a distributed network with a tree topology and selecting a subset of the measurement locations for sensor placement with a mutual information function.

Abstract: A method for detecting power consumption anomalies. The method obtains two different time power series and compares them to generate a dissimilarity matrix. A dimensionality reduction equation is applied to the dissimilarity matrix to obtain a low dimensional embedding of the power data. A probability score of each of the time series being anomalous is then calculated.

Abstract: A method of determining occupancy of a building using a hidden Markov model.

Abstract: Pixels representing attributes of data records are into discrete rings of a graphical visualization, where the discrete rings correspond to respective ones of the attributes, and where the pixels are arranged in each of the discrete rings according to time intervals of the data records. A correlation ring is provided in the graphical visualization in addition to the discrete rings, where the correlation ring has visual indicators for indicating degrees of correlation between at least two of the attributes.

Abstract: In a method for managing energy demand in an infrastructure, a coefficient of performance (COP) of the infrastructure as a function of time is determined. The COP is a measure of efficiency of the infrastructure. In addition, an energy demand on the infrastructure as a function of time is determined and an energy demand schedule for the infrastructure that temporally reallocates the energy demand based upon the determined COP of the infrastructure is determined.

Abstract: In a method for managing at least one three-dimensional package and a cooling system having at least one active cooling mechanism configured to cool the at least one three-dimensional package, at least one of workload on and an environmental condition on or around the at least one three-dimensional package is identified. In addition, at least one of an active cooling mechanism and a three-dimensional package is controlled based upon at least one of the identified workload and environmental condition.

Abstract: Data points contain data values in respective time intervals. Pixels representing data points for time periods (each time period including multiple time intervals) are placed in corresponding discrete rings in a graphical visualization, wherein the pixels are user accessible to allow viewing of information of the corresponding data points. The pixels are temporally aligned in the corresponding discrete rings, and the pixels in the corresponding discrete rings are variably sized depending on a number of data points in the respective time periods.

Abstract: Methods and apparatus are provided for use with thermal electric cooling devices (TECDs). An apparatus is mapped so as to identify the heat dissipating entities and zones thereof. A first cooling plan is devised in accordance with the mapping, the cooling plan being dependant upon TECDs. At least one other cooling plan is devised that is distinct from the first cooling plan. The coefficient of performance (COP) for each of the cooling plans is calculated. One of the cooling plans is selected and implemented in accordance with a comparison of the COPs. Precision, zone-oriented cooling is provided, avoiding excessive material scale and wasted energy.

Abstract: An apparatus for managing an infrastructure having one or more three-dimensional (3D) packages and a plurality of cooling resource actuators, each of the 3D packages including a plurality of heat sources, includes a heat source manager configured to determine heat load profiles of the heat sources. The apparatus also includes a cooling resource manager configured to determine capabilities of the plurality of cooling resource actuators to meet heat load demands of the plurality of heat sources based on the heat load profiles of the plurality of heat sources and an integrated thermal manager configured to match the capabilities of the plurality of cooling resource actuators to the heat load profiles of the plurality of heat sources.

Abstract: In a method of estimating a replacement cost associated with an existing technology performed by a processor, one or more costs associated with implementing the existing technology are obtained, in which the one or more costs include an environmental cost and a utility cost associated with implementing the existing technology. In addition, an existing net benefit of continuing implementation of the existing technology based upon the obtained one or more costs are calculated.

Abstract: A system for cooling an electronic device having a heat-generating component includes a passive cooling device having a cooling ability designed to expire after a predetermined amount of heat is absorbed from the heat-generating component and an active cooling device configured to at least one of dissipate heat generated by the heat-generating component and cool the passive cooling device, when the active cooling device is activated. The system also includes a controller configured to activate the active cooling device after a determination that a predetermined threshold condition has occurred, wherein the predetermined threshold condition is selected to occur after the passive cooling device cooling ability has substantially expired, to thereby substantially minimize power consumption of the active cooling device in cooling the heat-generating component.

Abstract: In a method of synthesizing components to design a system meeting an exergy loss target value, one or more candidate sets of components are synthesized and an exergy loss value for each of the one or more candidate sets of components are calculated. A determination as to whether at least one of the candidate set of components meets the exergy loss target value is made and at least one candidate set of components determined to meet the exergy loss target value is identified as the set of components for use in the design of the system.

Abstract: In an embodiment, a device characterization system includes a sensor to sense an attribute of a device, a processor, and an algorithm executable on the processor to collect time series data of the attribute from the sensor, detect edges in the data, identify clusters from the edges, label the clusters based on input from a supervisor, and estimate device characterization parameters from the clusters.

Abstract: Systems and methods of analyzing energy consumption using node similarity are disclosed. An example of a method may be carried out by program code stored on non-transient computer-readable medium and executed by a processor. The method includes assigning a similarity score to a plurality of nodes using at least one of: domain based rules, attribute based similarity metrics, and machine learning. The method also includes identifying a similar node from the plurality of nodes, for a node under consideration, based on the similarity score. The method also includes determining energy consumption of the node under consideration based on energy consumption of the similar node.

Abstract: In a method for distributing cooling resources to a plurality of locations using a plurality of hierarchically identified cooling microgrids, conditions detected at the plurality of locations are received. Each level of the hierarchically identified cooling microgrids is a plurality of resource actuators configured to vary distribution of the cooling resources. Settings for the plurality of resource actuators in each of the levels in the cooling microgrid hierarchy that substantially maintain conditions at the plurality of locations within predetermined ranges are determined using a processor, while substantially optimizing at least one measure of performance associated with supplying the cooling resources to the plurality of locations.

Abstract: In one implementation, an interactive service management system includes a performance profile module and a performance evaluation module. The performance profile modules defines a performance measure of an interactive service based on a quality assessment associated with the interactive service. The performance evaluation module compares the performance measure with performance target associated with the interactive service, and modifies the performance target associated with the interactive service based on the comparison of the performance measure and the performance target.

Abstract: Systems and methods of disaggregating power load are provided. An example of a method is carried out by program code stored on non-transient computer-readable medium and executed by a processor. The method includes receiving time series data representing total energy consumption. The method also includes identifying distinguishing features in the time series data. The method also includes identifying energy consumption constituents of the total energy consumption based on the features.

Abstract: Example systems, methods and articles of manufacture to cap data center power consumption are disclosed. A disclosed example system includes a group power capper to allocate a fraction of power for a data center to a portion of the data center, a domain power capper to allocate hosted applications to a server of the portion of the data center to comply with the allocated portion of the power, and a local power capper to control a first state of the server and a second state of a cooling actuator associated with the portion of the data center to comply with the allocated portion of the power.

Abstract: Embodiments include methods, apparatus, and systems with integrated circuits having phase change devices. One embodiment includes an integrated circuit die and a phase change die having a phase change material that changes phases when a temperature at the integrated circuit die exceeds a threshold for a predetermined amount of time.

Abstract: In a method for managing energy demand in an infrastructure, a coefficient of performance (COP) of the infrastructure as a function of time is determined. The COP is a measure of efficiency of the infrastructure. In addition, an energy demand on the infrastructure as a function of time is determined and an energy demand schedule for the infrastructure that temporally reallocates the energy demand based upon the determined COP of the infrastructure is determined.