53 results about "Energy performance" patented technology

A method and system can provide building energy performance metrics that can help identify specific zones within a building which may have energy efficiency problems. The method and system can collect data from: indoor temperature sensors and humidity sensors present in each zone of a building; one or more temperature sensors and humidity sensors present outside of the building; one or more utility meters; and one or more HVAC devices. This data from the sensors can be aggregated and formed into a first profile. The energy efficiency calculation system can analyze the first profile to provide various energy performance metrics which can include, but are not limited to, energy efficiency ratios for air conditioners, the R-value or thermal resistance of the building, an amount of heat loss for the building, energy consumption by the building, current HVAC performance parameters, and utility usage comparisons.

The invention provides a method for enterprise energy management. The method comprises the following steps: acquiring energy consumption data from all energy consumption measuring points in a real-time manner; sending the energy consumption data to a database server for saving; carrying out calculation to automatically generate an energy balance sheet/energy balance diagram, an audit statement and an energy management performance sheet; exporting and sending the energy balance sheet/energy balance diagram, the audit statement and the energy management performance sheet to a manager, wherein the manager takes corresponding treatment measures according to information in the energy balance sheet/energy balance diagram, the audit statement and the energy management performance sheet. The method further comprises the following steps: judging whether the energy consumption data are larger than a preset energy consumption threshold value or not, wherein if the energy consumption data are larger than the preset energy consumption threshold value, the next step is executed, and if the energy consumption data are not larger than the preset energy consumption threshold value, the judgment in the step is continued; issuing an early warning of excessive energy consumption to the manager in the form of a short messaging service or an email. The invention further relates to a device for realizing the enterprise energy management method. The method and the device have the benefits of an energy balance function, an energy audit function and an energy performance function.

A building includes exterior walls that form spaces which are selectively vented under control of a control system. Vents are operated to retain trapped air or exhaust trapped air to improve the energy performance of the building. Vents with selectively operable dampers may be located proximate a top of a wall or wall section of wall. Vents may also be located proximate a bottom of a wall or wall section to allow drainage of liquid and circulation of air. Various specific wall constructions provide for an air gap between layers of exterior sheathing of the exterior wall. The air gap may be in addition to a space between interior and exterior sheathing, which space may include a thermal insulation material (e.g., fiberglass batting).

Systems, methods, and non-transitory computer-readable media are disclosed for automatically generating aircraft models by modifying quantitative design variables based on joint analysis of aerodynamic, structural, and/or energy performance. For example, in one or more embodiments, disclosed systems iteratively modify ailerons and a propulsion system based on performance criteria until a balancing metric converges. The disclosed systems then determine performance metrics corresponding to the aircraft model with the modified ailerons and propulsion system, such as stresses and deflections under performance load, a measure of aeroelastic stability, and a battery performance metric. The disclosed systems can then modify design variables based on the determined performance metrics to explore the design space and generate a new aircraft model.

The invention relates to an enterprise comprehensive energy management and control system. The system comprises a data acquisition module, a data processing module and a system application module, andis characterized in that a data acquisition device is connected with intelligent terminal equipment to acquire real-time energy data, the data acquisition module is connected with the data processingmodule after acquiring the energy data, the production data and the yield data, and is used for processing, storing and forwarding the data, the system application module acquires the data processedby the data processing module and are used for performing on-line monitoring, statistical analysis, energy cost analysis, energy performance analysis, equipment energy efficiency analysis, energy report management, intelligent equipment management and control and alarm management of energy of an industrial enterprise. The system is advantaged in that through real-time monitoring comprehensive energy information management, energy consumption monitoring and management analysis of enterprise comprehensive energy consumption are realized, energy consumption is reduced, and the overall effect andefficiency of energy-saving work are improved.

Systems, apparatus and methods for controlling a plug-in hybrid electric vehicles (PHEVs) to improve energy utilization based on vehicle-to-internet cloud (V2C) connectivity. An automated driving system is trained for predicting vehicle motion trajectories based on historical vehicle and environmental trip data. An automated powertrain control system is trained to provide a parametric approximation of long-term energy cost about the remainder of a given vehicle trip. During the trip the automated driving system plans estimated trajectories based on forecasts of power allocation, while the powertrain control system forecasts and controls the fuel burning engine, electric drive motor(s), and powertrain mode, to minimize energy-wasteful motion trajectories.

The invention relates to a method for predicting the energy performance of a pump through an adjustable guide vane on the basis of computational fluid dynamics (CFD), and belongs to the technical field of water conservancy projects and mechanical engineering. The method is characterized by specifically including the following steps of firstly, establishing an energy performance database of a pump at different adjustable guide vane installation angles by calculating the numerical value of the CFD; secondly, drawing the comprehensive characteristic curve of the pump at different adjustable guide vane installation angles and outputting a number of energy performance data of the pump at different adjustable guide vane installation angles during calculation of the numerical value of the CFD on the basis of a Visual Fortran program; thirdly, establishing a mathematical model for predicting the energy performance of the pump through the adjustable guide vane. The method is easy and convenient to implement and reliable.

The invention discloses a method for determining centrifugal pump full-condition theoretical lifts based on internal flow measurement. The process of the method includes using internal unsteady flow dynamic rules under different working conditions of a performance intercross valuation (PIV) experiment measurement centrifugal pump; calculating theoretical lifts of the centrifugal pump under different working conditions; using an overall optimization algorithm or combination to solve flow angle coefficients under the different working conditions, performing PIV measurement on internal flows of centrifugal pumps at different specific speeds and obtaining different flow angle coefficients k alpha 1, k alpha 2 and k alpha 3 at the different specific speeds and under the different working conditions, and utilizing a unitary linear regression method to build a relation between the flow angle coefficients and the specific speeds under the different working conditions and further build a centrifugal pump full-condition theoretical lift formula. According to the method, the centrifugal pump full condition theoretical lifts under the different working conditions can be calculated accurately, and a centrifugal pump full condition energy performance calculation model is built on the basis to optimally design a prior pump.

The invention discloses a large-sized low lift head pump device energy performance calculation method and belongs to the technical field of water conservancy project pump stations. The large-sized low lift head pump device energy performance calculation method is mainly characterized by comprising the following steps of dividing the pump device efficiency into the pump body efficiency and the runner efficiency; calculating water head loss of a water feeding pipeline and a water discharging pipeline and the pump body efficiency under different working conditions of a water pump model according to common water pump model hydraulic performance materials issued by a national assigned detection mechanism; calculating the runner efficiency according to the water head loss of the water feeding pipeline and the water discharging water head under different working conditions of the pump device; recording the rotation angular velocity of pump body outlet water flows at an inlet to accurately calculate the water head loss of water discharging runners of the water discharging pipeline and the pump device in the water pump model. The large-sized low lift head pump device energy performance calculation method is simple and convenient, can accurately calculate the pump device energy performance at a pump station design stage at the right moment, is used for verifying whether a type selection design of the pump device satisfies a requirement or not and provides a scientific and reasonable technological index for pump station equipment bid inviting.

The invention relates to an anti-high overload pressed explosive and a preparation method thereof. The anti-high overload pressed explosive comprises: 50%-70% mass percentage of main body explosive HMX or RDX; 24%-44% mass percentage of metal fuel Al powder; 1%-3% mass percentage of a binder; 3%-6% mass percentage of a desensitization agent; 0%-1% mass percentage of a coupling agent; and 0%-1% mass percentage of an additive graphite G. The invention also discloses a preparation method of the explosive. The explosive provided by the invention has very good anti-high overload performance, safetyperformance and energy performance, low mechanical sensitivity, can pass the examination of 100mm experimental gun-projectile target penetrating test, and can meet the main charge requirements of various temperatures and pressures, penetrations and earth-penetrating warheads. The anti-high overload pressed explosive provided by the invention has high energetic component content, and compared withthe traditional penetration cast explosive PBXIH-135, the density, detonation velocity, explosion heat and other energy parameters are improved.

Systems and methods dynamically assess energy efficiency by obtaining a minimum energy consumption of a system, receiving in a substantially continuous way a measurement of actual energy consumption of the system, and comparing the minimum energy consumption to the measurement of actual energy consumption to calculate a substantially continuous energy performance assessment. The system further provides at least one of a theoretical minimum energy consumption based at least in part on theoretical performance limits of system components, an achievable minimum energy consumption based at least in part on specifications for high energy efficient equivalents of the system components, and the designed minimum energy consumption based at least in part on specifications for the system components.

The invention relates to a fuel-rich propellant with boron-based composite metal powder. The fuel-rich propellant comprises, by weight, 30%-50% of fuel, 25%-40% of oxidizing agents, 15%-25% of bindersand 3%-10% of performance regulators. The fuel comprises the boron-based composite metal powder with core-shell type structures. The fuel-rich propellant has the advantages that the boron-based composite metal powder with the core-shell structures is introduced into a formula for the fuel-rich propellant as high-energy fuel, accordingly, the problems of high ignition temperature and low combustion efficiency of boron powder can be solved, the combustion performance and the energy performance of the fuel-rich propellant can be enhanced, the processing properties further can be improved, the requirements of ramjet engines on high-performance fuel-rich propellants can be met, and the fuel-rich propellant has a broad application prospect.

A system for creating an energy performance and predictive model. The system includes a non-transitory computer-readable storage medium which performs the steps obtaining parametric information objects that represent actual physical objects and modifying the parametric information objects by embedding data related to energy performance characteristics unique to the device represented. The system further performs the steps grouping the modified parametric information objects that define actual real world interrelationships to create a complete virtualized project and parsing the virtualized model data set to create a first parsed data set and a second parsed data set. The first parsed data set creates the project system control application, which acts upon and coordinates the actions of the real device through the virtual field bus. The second parsed data set creates the project's virtualized energy performance project and represents the subset of the virtualized performance environment where other virtualized devices can act upon it.

The invention provides an energy performance integrated verification method in energy management system authentication. The energy performance integrated verification method comprises a basic information module, an energy performance module, a statistical verification module and a basic database module. After the content of the basic information module is input, whether an enterprise meets the index requirement or not is judged through the energy performance module, the fluctuation condition of enterprise energy use is obtained through the statistical verification module, and the related datais stored into the basic database module. According to the method, digitization and automatic statistical analysis of energy data can be achieved, comparison with national standards and guide directories can be increased, and evaluation of data benchmarking and compliance is achieved.

The invention relates to a self-adaptive event triggering-based wheeled robot constant-speed linear formation control method. According to the method, wheeled robots comprise a leader robot and a plurality of follower robots. The method comprises the following steps that: 1) the expected relative positions of the follower robots and the leader robot during constant-speed linear formation are set, an event triggering mechanism-based external signal observer is constructed, and the observation values of each follower robot relative to the leader robot are acquired; 2) the position errors of the follower robots and the leader robot are calculated, and the standard positions and standard control input of the follower robots are obtained on the basis of a robot linearization model; and 3) a fully distributed self-adaptive controller is constructed on the basis of the standard positions and standard control input of the follower robots, and the real-time system control input of the follower robots is obtained. Compared with the prior art, the method has the advantages of high accuracy, high reliability, saving-energy performance and high stability.

An energy management system is provided. The system includes an information collector which is configured to collect a first information in accordance with elapsing of time, including information on energy consumption of a subject of energy management or information on factors involved in a change of the energy consumption; and a display controller which is configured to collate a second information in which is included the first information, which is collected by the information collector, or specified energy performance for each second unit divided by one or a plurality of boundaries of an operating status which changes in accordance with the elapsing of time of the subject of energy management for each first unit which is divided by one or a plurality of physical or logical boundaries of the subject of energy management, based on the first information collected by the information collector to be the first unit and the second unit to cause the collated result to be displayed on a display.

The invention provides a method and device for evaluating the energy consumption of a natural gas purification plant. The method comprises the steps of selecting energy performance parameters and corresponding energy consumption evaluation indexes; collecting historical values of the energy performance parameters and the corresponding energy consumption evaluation indexes; obtaining a regression equation for representing a relation between the energy performance parameters and the energy consumption evaluation indexes according to the historical values; substituting an actual value of an energy evaluation index corresponding to an actual value of an energy performance parameter to be evaluated into the regression equation to obtain a reference value of the energy performance parameter to be evaluated; and obtaining the difference between the actual value of the energy performance parameter to be evaluated and the reference value. The method more objectively reflects energy consumptionchange conditions and effects of energy-saving measures of the natural gas purification plant, thereby providing a basis reference for formulating an energy management method conforming to requirements of each plant.

The invention discloses energy-saving systems and an anti-swing energy-saving crane provided with the energy-saving systems. Each energy-saving system comprises a left energy-saving device and a right energy-saving which are symmetrical. Each energy-saving comprises a fixed pulley, a movable pulley and a balance weight, wherein the fixed pulley and an anti-swing sling system of the anti-swing crane are horizontally fixed, the movable pulley is connected with the balance weight, and a steel wire rope of the crane winds around the anti-swing sling system, the fixed pulley, the movable pulley and the balance weight sequentially and then is fixedly arranged above the crane. According to movement inertia, the balance weight and the movable pulley vertically move in the direction opposite to the movement direction of the anti-swing sling system through the steel wire rope. On the one hand, an included angle is formed between the steel wire rope on a sling and the horizontal plane, and the anti-swing function is achieved relying on the horizontal component of the balance weight; on the other hand, the balance weight can be used for balancing the weight of the sling, so that a hoisting mechanism only needs to act on a container instead of the sling, the energy performance of the crane is improved, and the effects of saving energy and reducing consumption are achieved.

Each processor core in a device supports various different frequency ranges and/or energy performance preferences, and can operate to run threads at any one of those different frequency ranges and/orenergy performance preferences. Processor cores are partitioned into different groups, each group running at different frequency ranges and/or energy performance preferences. Threads in the device areassigned one of multiple importance levels and scheduled to run on a processor core in a particular group based on the importance level of the thread. Lower importance level threads are scheduled torun in a group that is more power efficient, and higher importance level threads are scheduled to run in a group that is higher performance. The group that a processor core is part of can change during operation of the device based on the needs of the device and/or applications running on the device.

A subthreshold standard cell library addresses the energy efficiency of electronic systems, thereby significantly reducing power consumption. Recent energy performance requirements are causing the next-generation system manufacturers to explore approaches to lower power consumption. Subthreshold operation has been examined and implemented in designing ultra-low power standard cell designs that operate beyond the normal modes of operation, with the potential for large energy savings. Operation of CMOS (Complementary Metal Oxide Semiconductor) transistors in the subthreshold regime, where the supply voltage used in operation is orders of magnitude below the normal operating voltage of typical transistors, has proven to be very beneficial for energy constrained systems as it enables minimum energy consumption in Application Specific Integrated Circuits (ASICs).