431 results about "Conservation of energy" patented technology

A method of and system for providing a consumable resource such as electricity, natural gas, oil, air or water together with an incentive program of variable resource points to reward the buyer for not using the resource being provided. The invention monitors utilization of the resource at a location, and then determines a type and quantity of variable resource points to be provided to an account associated with the location or with a participant by analyzing the monitored resource utilization with respect to a plurality of varying conditions (time-variant, location-variant, cost-variant etc.). The resource points are then stored in an account associated with the location or with a participant for future use.

A system for encouraging the use of renewable energy sources and suitable for the conservation of energy resources through the efficient management of energy storage and delivery includes connections to a power source, an energy storage subsystem, and a power grid. The system includes a power routing subsystem coupled to the source and grid, and adapted to operate in a bypass mode, in which energy is transferred from the source to the grid. The system includes a conversion subsystem coupled to the routing and storage subsystems, and switchable in substantially real-time between a storage mode, in which energy is transferred from the routing to the storage subsystem, and a generation mode, in which energy is transferred from the storage to the routing subsystem for delivery to the grid. The system also includes a controller for directing the modes based at least in part on a market factor.

The invention discloses an electric vehicle power battery state-of-energy (SOE) estimation method, and belongs to the technical field of electric vehicle battery management systems. According to the method, changes of battery voltage are considered in the estimation process, and the battery state and the vehicle driving range can be more comprehensively reflected compared with an existing battery state-of-charge (SOC) estimation method. The electric vehicle power battery state-of-energy estimation method is characterized by comprising the following steps of (1) initialization, wherein a system calculates an initial SOE value according to the current battery temperature, voltage, the state before standing and the standing time; (2) circulation, wherein the system corrects a battery balance electromotive force (EMF)-SOE relation curve and the battery rated energy by collecting the battery temperature, charging/discharging multiplying power and the recorded battery using frequency. On the basis of the principle of conservation of energy, the battery energy variable quantity is calculated, the initial SOE value is utilized for calculating the SOE value at the next moment, and continuous circulation is carried out so that the SOE value can be updated in real time.

The invention discloses a vivid and interesting desktop icon displaying method and device. The method includes the following steps: when entering a desktop, initializing desktop icons, and randomly distributing same or different initial directions and initial speeds to all the desktop icons of the current desktop; detecting whether collision occurs among the icons or not in real time; if yes, playing a pre-stored first collision sound, and calculating respective motion directions and motion speeds of two collided icons according to the momentum conservation law and the energy conservation law; detecting whether the icons collide with the edge of a touch screen or not in real time; if yes, playing a pre-stored second collision sound, wherein the icons rebound in a collision speed. After the vivid and interesting desktop icon displaying method and device is applied, the terminal desktop displays showy dynamic effect and makes the icon collision sounds, and users can interact with the desktop and optionally change motion state of the icons, so that much interestingness is realized, and the users have a lot of fun and good use and operation experiences.

Disclosed is a method for precisely sensing an amount of laundry of a washing machine without influence of static friction. The method includes the steps of (a) operating a motor, and then carrying out regenerative braking of the motor, (b) re-operating the motor after the step (a), and then carrying out rheostatic braking of the motor, and (c) determining the amount of laundry by means of the principle of the conservation of energy in the regenerative braking of the motor in the step (a) and the principle of the conservation of energy in the rheostatic braking of the motor in the step (b).

Thermal conditions at processing components disposed in an information handling system are estimated by applying conservation of energy and component power consumption so that discrete control of information handling system exhaust temperatures is more accurately maintained. For example, a PCI backplane communications card has its power consumption estimated based upon its width so that air flow through the information handling system is adequate to meet an exhaust temperature constraint.

The invention relates to thermally stimulated oil recovery in horizontal wells, namely to the methods for estimation of Steam Assisted Gravity Drainage (SAGD) process characteristics. Method for estimation of SAGD process characteristics is characterized by the steps of measuring temperature along the injection well, measuring steam quality and injection rate at the inlet of the injection well, estimating the pressure distribution profile by using the data obtained, estimating steam injection profile by using the obtained pressure profile and injection rate combined with ID injection well model for pressure losses in the wellbore and heat exchange between injection well tubing and annulus. The obtained steam injection profile is used as an input parameter for a set of 2D cross-sectional analytical SAGD models taking into account reservoir and overburden formation properties impact on production parameters and SAGD characteristics. SAGD process characteristics are estimated on the basis of energy conservation law for condensed steam taking into account heat losses into the reservoir and overburden formation and hence the fluid production rate changing in time.

Renewable Energy Advanced Device Solution is at least wind powered and comprises at least a motor, a battery cell, a clutch means, and a generator armature, a communication means configured with a capacitance means and operatively connected to an accelerator pedal. The communication means is configured for directing the flow of energy from the capacitance means to the battery cell means and from the battery cell means to the motor. The motor of the vehicle is configured with harnesses communicatively connecting the generator armature with the capacitance means, the capacitance means with the communication means, and the communication means with the battery cell means responsive for supplying electrical energy to the motor and other electrical appliances for the vehicle. The communication means transfers electrical energy to kinetic energy that propels the vehicle and comprises means to connect the motor to enable the flow of electricity. The motor is configured with regenerative braking means responsive for conservation of energy by means of transferring the kinetic energy back to electrical energy when pressure on the accelerator pedal is released to enable the conversion energy to initially slow down vehicle.

The invention relates to an automatic focusing method for an astronomical telescope and belongs to the technical field of spatial object detection of the astronomical telescope. The method comprises the following steps: acquiring a corresponding unimodal and monotonic image gray gradient evaluation function on a time domain according to energy distribution, which is accordant with a target image, of the frequency-domain characteristic of a point spread function for an optical system of the astronomical telescope and the Rayleigh energy conservation law; performing low-pass filtering on the evaluation function to obtain an ideal target energy concentration ratio evaluation function; and continuously adjusting the step length and the direction of a driving motor and searching a global maximum of the evaluation function to complete an entire automatic focusing process by using an optimized hill-climbing method. The method has the advantages of simpleness, easy realization and generality.

The invention discloses a method for preparing chitosan by using shrimp shells. The method comprises the following steps: collecting shrimp shells; successively flushing, drying and crushing the shrimp shells; adjusting water content in shrimp shell powder to 20 to 30% with tap water; carrying out extrusion explosion puffing; crushing the puffed shrimp shell powder again and adding tap water to dissolve the shrimp shell powder; adjusting a pH value of an obtained slurry to 4.0 to 5.5; carrying out enzymatic hydrolysis on the shrimp shell slurry with bio-enzyme fermentation broth so as to remove acetylenzyme; then adding protease for enzymatic hydrolysis to remove proteins; carrying out rinsing; then adding organic acid and carrying out stirring for 2 to 3 h so as to remove a calcium salt in the shrimp shells; carrying out rinsing; adding a hydrogen peroxide solution for immersion decoloring; carrying out rinsing until a product becomes white; and finally carrying out vacuum drying until water content is less than 5%. The method provided by the invention has the characteristics of a simple and mature process, simple equipment, short preparation time, convenient operation, good continuity, high production efficiency, an ideal product form, no pollution, suitability for industrial production, widely and easily available raw materials, conservation of energy and convenience in popularization and popularization.

The present invention discloses an LED three-dimensional optical system design method with given illumination distribution and an optical system, which belongs to the non-imaging optical technique of the applied optics field. A three-dimensional non-imaging optical system is formed in a region which has given illumination distribution, by using a light emitting diode as a light source. A three-dimensional lens is designed with the optical system. According to the geometrical shape of the given illumination distribution region, complying with the law of conversation of energy, the surface of the light source and the illumination plane are divided into corresponding energy regions on the long axis direction of the region in accordance with optical refraction, and energy division is carried out in the short axis direction in accordance with the principle of common function of total internal reflection and refraction. The coordinates and the normal vectors of all feature points of the optical system surface of the light source along the long axis direction and the short axis direction are calculated according to the energy corresponding relationship, so as to determine the optical system surface. The method and the system contribute to sufficiently utilizing energy and reducing engineering cost. The encapsulation of the optical system is flexible. Single chip encapsulation and multi-chip encapsulation can be adopted. The arrangement of a plurality of the optical systems is free, simple and flexible.

The invention provides a strength controllable coal ash-based polymer concrete. The polymer concrete comprises a mixed solid phase and a mixed liquid phase, wherein the weight ratio of the mixed solid phase and the mixed liquid phase is 11:1, the mixed solid phase comprises the following components in parts by weight: 45-55 parts of coarse aggregate gravel, 13-33 parts of fine aggregate natural sand, 19-27 parts of coal ash, 0-8 parts of silica fume, and 0.05-0.12 part of sodium tripolyphosphate, and the mixed liquid phase comprises the following components in parts by weight: 67-75 parts of liquid sodium silicate for industrial use, and 25-33 parts of 10-18mol/L of sodium hydroxide solution. A preparation method for the coal ash-based polymer concrete is simple, has no toxicity and no contamination, and has low cost, and the raw material spreads all over the world and is expected to be used in fields such as corrosion resistant concrete construction, utilization of industrial wastes, rapid patching materials, high-strength high performance materials and the like. Furthermore, according to the coal ash-based polymer concrete, large amount of industrial waste coal ash can be efficiently used, so that the coal ash-based polymer concrete has great significance to conservation of energy and resources and environment protection. The invention also provides the preparation method of the coal ash-based polymer concrete.

The invention provides a milling vibration stability predicating method based on the process damping effect. According to the method, in the milling process of a workpiece, the geometric structure parameter of a milling tool and the dynamic parameter in the milling process are obtained, the total energy generated by ploughing and milling force in the workpiece milling process in one cutter tooth rotation cycle is determined, the damping coefficient of the equivalent linear process is obtained through the law of conservation of energy, equivalent linear process damping is converted into equivalent process damping in the x direction and equivalent process damping in the y direction, the equivalent process damping coefficient in the x direction and equivalent process damping coefficient in the y direction are input into a milling dynamics equation, a milling dynamics model based on the process damping effect is obtained, a ZOA method is adopted to solve the milling dynamics model based on the process damping effect, and a vibration stability model based on the process damping effect is obtained, so that relation between extreme stability cutting depth and the cutter rotation speed is obtained, and a vibration stability steel lobe diagram based on the process damping effect is drawn.

The invention relates to a thermal power unit coal heat value real-time monitoring method and a heat value observer thereof. The invention comprises the following steps: 1) based on the dynamic characteristics of the thermal power unit, the heat value observer is established by the energy conservation law; 2) during the stable operation of an actual operating unit under the conditions of the designed coal rank and various loads, the corresponding relation among all the operation parameters of the actual operating unit can be searched in a DCS control system; 3) according to the probability statistics on the operation parameters of the actual operating unit, the static configuration and the dynamic configuration of the parameters of the unit model are carried out, and thus the unit model can be perfectly matched with the actual operating unit; 4) according to the coal consumption signal which is measured in site and the current operation parameters of the unit, the heat value observer can get a heat-value modified parameter through calculation, and the modified parameter can modifies the coal consumption signal in site to obtain the standard coal consumption signal. The application in site shows that the monitoring method and the observer can perfectly make the online real-time monitoring of the changes of the coal heat value, and thus the control system can perfectly overcome the interference on the boiler combustion due to the coal quality variation.

The 3D optical lens design method comprises: based on law of conservation of energy, dividing out some sub-areas as the light source energy equal to illuminant plane energy; selecting one point any of the point in one emergence line and corresponding equal-energy illuminant plane points as the initial point for target lens; iterative solving coordinate and normal vector for every discrete point to determine the lens surface. Compared with prior art, this invention is convenient and high efficient, and can save energy for wide application.

The invention relates to a planar solid oxide fuel cell stack temperature distribution estimation method, which includes the steps of: S1. establishing a nonlinear electric pile temperature model according to the law of conservation of mass and the law of conservation of energy, and conducting finite element treatment on the electric pile temperature model; S2. in the vicinity of steady working points, conducting linear treatment on the electric pile temperature model of step S1 to obtain a linear electric pile temperature model; S3. on the basis of the electric pile temperature model, designing a Luenberger observer for observing the electric pile temperature; and S4. estimating the internal temperature distribution situation of the solid oxide fuel cell stack. The method provided by the invention can ensure the stability and security of electric pile work, and also has good robustness to electric load disturbance and inlet air velocity disturbance.

The invention relates to a capacity-self-adaptive pulping method which comprises the following stages: (1), a preheating stage, to be specific, starting a heating device for heating to T1, continuously heating to T2, wherein delta T is equal to T2 minus T1, calculating out electric energy consumed when the temperature is increased to T2 from T1 by a control device, wherein a preset heat efficiency coefficient eta and a specific heat capacity c are stored in the control device, m represents the pulping capacity, and W<electricity> represents electric energy, and calculating out the pulping capacity by the control device according to the law of conservation of energy, namely heating electric energy*eta is equal to thermal energy absorbed during temperature increase and the formula is that (eta)W<electricity> is equal to cm(delta)T; (2), a smashing stage, to be specific, adjusting smashing frequency, smashing time and/or smashing power by the control device according to the pulping capacity; (3), a decocting stage, to be specific, adjusting the heating time and/or heating power by the control device according to the pulping capacity. Therefore, intelligent optimization of pulping parameters is realized and an optimum pulping effect is realized.

The invention discloses a taxonomic approach for abandoned dry toner and regeneration and using method the same. Reclaimed abandoned dry toner is sorted through sampling measure into three classes whose mean volume-surface diameter are more than 5um, 3-5um and less than 3um, and then sorted abandoned dry toner is regenerated and used. The abandoned dry toner whose particle diameter is more than 5um is prepared into reused dry toner by dry concentration, screen fractionating, dry-cleaning, wire dressing, fine classification, magnetism charging and surface processing, the abandoned dry toner whose particle diameter is in the range of 3-5um is used as filling agent fro preparing general dry toner. The method for preparing reused dry toner from abandoned dry toner incorporating the invention can embody the effect of conservation of energy carbon emission reduction and consumption reducing, also the dry toner with less 3um particle diameter which can not be used for dry toner regeneration in days of old can be used for preparing low-intensity plastics utensil or waterproof oily paste so that it can satisfy the zero emission of solid material during reusing process without burning the abandoned dry toner to prevent environment pollution.