54results about "Simultaneous control of electric and non-electric variables" patented technology

An energy management system and method providing a holistic premise energy optimization and energy efficiency reclamation system comprised of an interconnected system of software, analytics and automated process that optimizes the energy generation and storage technologies, energy consumption, energy demand and energy utilization of energy consuming assets within a premise.

A system and methods that enables power flow management at the local level. A power flow manager can coordinate the charging activities of electrical devices, such as electric vehicles. Power flow decisions may based on the site-level information. In addition, power flow management strategies may be optimized. An optimizer can choose a power flow management strategy and electrical devices for implementing a strategy. In the event of a system failure, power spikes may be avoided by using safe failure modes to provide that the charging activities be coordinated in a predictable and non-disruptive manner. The cost of providing power may be reduced using generation stacks of power production. As such, the total daily cost of providing energy generation may be minimized.

The invention discloses a fire simulation experiment platform for a tunnel, which comprises a platform main body, a smoke control system, a fire source simulation system and a matched measurement and control system, wherein the platform main body can move horizontally, and at least two of the front surface, the upper surface and the back surface of the platform main body are made of fire-proof transparent materials; the smoke control system can simulate longitudinal wind in the tunnel; the fire source simulation system comprises a porous gas burner capable of controlling fuel flow rate; and the matched measurement and control system comprises a gas component measuring system and a smoke temperature measuring system, wherein the gas component measuring system is used for measuring gas components of burning products, and the smoke temperature measuring system is used for measuring the temperature in the tunnel. In the invention, the fire simulation experiment platform for the tunnel enables the inside of a simulated tunnel to have good visibility, can be used for conveniently and effectively observing the conditions in the tunnel and optically measuring the characteristics of the flow field through laser sheets, and can also realize the purpose of controlling the power of the fire source according to research needs.

The disclosed embodiments relate to the design of a fuel cell system which is capable of both providing power to and receiving power from a rechargeable battery in a portable computing device. This eliminates the need for a bulky and heavy battery within the fuel cell system, which can significantly reduce the size, weight and cost of the fuel cell system. This fuel cell system includes a fuel cell stack which converts fuel into electrical power. It also includes a controller which controls operation of the fuel cell system. The fuel cell system additionally includes a power link that transfers electrical power between the fuel cell system and the portable computing device, and a communication link that provides communication between the portable computing device and the controller for the fuel cell system. The controller can regulate both the electrical power provided by the fuel cell system to the portable computing device and the electrical power provided by the rechargeable battery to the fuel cell system.

The invention discloses a voltage-and-flow control system used for measurement of aerosol particle size distribution and belongs to the technical field of environment aerosol. The voltage-and-flow control system used for the measurement of the aerosol particle size distribution is structurally characterized in that a circuit board is connected with a high-voltage module, a direct-voltage conversion module, a data acquisition card, an absolute pressure sensor, a mass flow meter and a temperature and humidity sensor through guide wires, the direct-voltage conversion module is connected with a draught fan through a guide wire, an air inlet, a pre-filter, a T-shaped tee joint, the mass flow meter, the draught fan, a flow-limiting hole, a radiating tube, a post-filter and an air outlet are connected in sequence through pipelines, the temperature and humidity sensor is connected with a vertical channel of the T-shaped tee joint through a pipeline, and the absolute pressure sensor is connected with the T-shaped tee joint through a pipeline. The voltage-and-flow control system used for the measurement of the aerosol particle size distribution is simple in operation, high in sensitivity, good in sealing performance, high in running stability, capable of being flexibly assembled with an aerosol particle size distribution measuring instrument, and applied to both laboratory measurement and out-field measurement.

An intelligent grouting system is provided with a single chip microcomputer, a keyboard and a display. Pipelines provided with magnetic valves, sensors or electronic scales are inserted into a grout production barrel, wherein the pipelines are respectively loaded with water, cement powder, sand, a chemical additive, dense grout and so on therein; the proportioning and consumption of grout is controlled through programming, thus a grout proportioning efficiency is high, proportioning is accurate, and labor intensity is low. A frequency converter provided with a communication interface is added to a drive motor of a grouting pump, an input end of the single chip microcomputer is connected with a pressure sensor, an output end of the single chip microcomputer is connected with a high pressure valve and an alarm device; the power of the drive motor and the pressures of the pipelines are controllable, thereby saving electric energy; operating personnel are far away from the high-pressure pipes, thus security is achieved. A tension sensor of which an output end is connected with the single chip microcomputer is fixed over the grout production barrel, a metal weight immersed in cement grout is hanged on a lower end of the tension sensor; the single chip microcomputer continuously measures and displays the proportion, and adjusts the grout concentration in real time to ensure grouting quality, the frequency of cleaning is low. Through adoption of the intelligent grouting system, only grouting parameters need to be manually inputted, the subsequent operations such as grout proportioning and grouting are all automatically performed by the system, thereby saving time and labor. The intelligent grouting system is used for grouting construction of a hydropower station, especially at the places such as side slope and dam foundation.

An ice-making machine having an assembly and a controller that controls said assembly to make ice. A sensing device senses a current level of ice in an ice bin that receives the ice made by the assembly. The controller compares the current level to a high set point and a low set point and, based on a current energy rate, controls the assembly to maintain the current level at or near the high set point when said current energy rate is low and at or near the low set point when the current energy rate is high to provide energy efficiency. The controller and sensing device are part of a retrofit assembly that retrofits an existing ice machine with the energy efficient feature.

The invention relates to a control method of a control system, which is suitable for monitoring a remote electrical device by a host. The control method comprises the following steps: firstly, a monitoring socket is provided, which is in coupling with the electrical device and uses a power line to connect the host through a network; then, the monitoring socket detects the active condition of the electrical device to generate a state information, and sends the state information to the host; sequentially, the host end generates a control information and transmits the control information to the monitoring socket; finally, the monitoring socket controls the active condition of the electrical device according to the control information.

A rack equipment environmental condition adjustment system and method is presented. In one embodiment of the present invention, a rack equipment environmental condition adjustment system includes rack equipment for processing information. An environmental condition adjustment component adjusts the rack equipment based upon environmental conditions. A communication bus for communicatively coupling the rack equipment and the environmental condition adjustment component, wherein the communication bus communicates information between the environmental adjustment component and the rack equipment.

The invention discloses a three-dimensional follow-up system of a lunar landing test frame, to achieve the purpose of providing the vertical tension control and horizontal movement follow-up required by the lunar probe in the lunar landing test frame; the three-dimensional follow-up system Including tower follow-up system, fast follow-up system, ground drive system and wire rope; fast follow-up system includes horizontal fast follow-up subsystem and tension adjustment subsystem; tower follow-up system includes first-level horizontal drive subsystem, second-level The horizontal follow-up subsystem and the main lifting subsystem; the ground driving system includes 6 ground driving devices; during the entire operation of the detector, the tension adjustment subsystem provides a vertical upward 5/6G pulling force; the detector performs obstacle avoidance In the process of slow and slow descent, the main lifting subsystem controls the relative displacement between the detector and the disc in the vertical direction; the horizontal fast follow-up subsystem follows the detector; the secondary horizontal follow-up subsystem performs two-dimensional horizontal movement Come follow the fast follow-up system.

The invention discloses an automatic flame cotton production control system based on a neural network. The automatic flame cotton production control system is composed of a kiln, a bushing plate, a combustion chamber, a flame nozzle, a rubber roller, a data acquisition system, a data calculation system, a data training system, an electrical control system and a database. The data acquisition system reads the production process parameters and stores the production process parameters in a database; the data training system carries out training learning on the database by using a neural network;the data calculation system calculates the corresponding primary fiber average diameter and various production process parameters according to the input secondary fiber average diameter requirement; and the electrical control system respectively regulates and controls according to various production process parameters calculated by the neural network model. The system realizes automatic control ofthe flame blowing process, effectively avoids experience errors caused by manual operation, stably controls various process parameters, reduces energy consumption, and realizes energy conservation and emission reduction.