1276 results about "Group control" patented technology

A controllable lighting system may include a plurality of light source groups, a group controller for each light source group, a master controller, and a network communication system. Each group controller may be configured to control the light sources in its light source group based on a group control command. The master controller may be configured to receive a master control command relating to the light sources and to issue a group control command to each of the group controllers that collectively effectuate compliance with the master control command. The network communication system may be configured to communicate the group control commands from the master controller to the group controllers.

Methods and apparatus are provided for group-controlling devices. Group information on interoperable devices among a plurality of electronic devices is acquired. The interoperable devices indicated in the group information are controlled as a group.

The present invention relates to a network management system for management of a traffic network comprising a wired as well as a wireless network backbone. The wireless network backbone comprises relay nodes comprising wireless routers, some acting as gateways to the wired backbone network and some as relay bridge routers for access network access. The management system comprises a logical multilevel hierarchical network overlying the traffic network. It is adapted to use the infrastructure of the traffic network by using the relay nodes as management stations. It comprises grouping means adapted to perform a grouping process by arranging network nodes, comprising the relay nodes, in groups, each with selected a cluster head, on different hierarchical levels. Grouping control means are provided to control the grouping and allocation of cluster heads based on a number of grouping constraints given by one or more criteria to be fulfilled at each hierarchical level. Calculating means are adapted to calculate the criteria based on given metrics and modeling and verification means are provided for modeling the constraints and verifying fulfillment of said constraints at each hierarchical level.

The invention relates to the technical field of computer simulation. In order to design a visual simulation system applicable for typical aircrafts including hypersonic aerocrafts, unmanned planes and satellites, analysis for flight data by researchers includes that pure digital information is converted into three-dimensional image-based information which can be better understood by people through posture changes of virtual aircrafts. Visual simulation can performed on all of the hypersonic aerocrafts, the unmanned planes and the satellites, and the purpose that a same system is shared by a plurality of the aircrafts is achieved. Single-computer simulation or multiple-computer group control simulation can be performed. The overlapping development problem of the visual system is solved. The technical scheme includes that the typical aircraft visual simulation system comprises an aircraft model base module, a flight scene base module, a network communication module, a visual display and drive module, a data base interface module, a data visualization module, a two-dimensional state module, a model parse module and a man-machine interactive interface module. The typical aircraft visual simulation system is mainly applied to computer flight simulation.

A system and display for providing guidance to elevator passengers generates call data and transmits the call data to the group control systems of one or more elevator banks. The group control systems process the call data to produce group call data and distribute the group call data to an elevator controller of the elevator bank. The guidance system also includes a display device which displays the group call data for one or more group control systems.

The invention discloses an internet of things remote elevator monitoring system with a human face matching function. According to the monitoring system, elevator operation states and monitoring pictures are transmitted to a monitoring acquisition terminal in real time through all sensors and cameras in an elevator car. Once failures occur to an elevator, the monitoring system gives an alarm and informs a relevant department to save trapped people and repair the elevator in real time, various failure information of the elevator is periodically analyzed and counted, and maintenance work for the elevator is conducted pertinently. In addition, images collected by the cameras can be compared with a criminal face database so as to achieve criminal face recognition. Management staff can visit and modify elevator data and face databases which are stored in a data center through a monitoring management platform and can give orders of resetting, upgrading and parameter modifying to the terminal through a wireless network. According to the monitoring system, archives are further built for all elevators in the internet of things so that data statistics can be conducted through a maintenance center on failures and maintenance conditions of a certain elevator in the internet of things or a certain set of group control elevators or the elevators in a certain period.

The invention provides a group control method for a central air conditioning refrigerating unit. The group control method for the central air conditioning refrigerating unit comprises step A, entering into a step B when the water outlet temperature of a refrigerating unit basically achieves a stable temperature; step B, measuring the temperature and flow amount for water supply and water return of chilled water to obtain temperature difference and the flow amount of the water supply and the water return; step C, computing the load according to the temperature difference and the flow amount of the water supply and the water return; step D, controlling loading and unloading of refrigerating machines of the refrigerating unit. According to the group control method for the central air conditioning refrigerating unit, the group control algorithm for the refrigerating unit is achieved through thermal, the refrigerating unit is operated under an economical and energy saving state and the purposes of prolonging the service life of the device and reducing the energy consumption are achieved. The group control method for the central air conditioning refrigerating unit has a good popularization prospect in the fields of building automatic control and building energy saving.

The invention provides an all-working-condition automatic RB control method, which relates to the field of thermal power generation. The prior art lacks an RB control method comprising the process control of different working conditions and linkage functions of different device control modes, is easy to generate the phenomenon that the operating conditions of machine groups and the device control boundary conditions are indefinite so that the control process has great risk and is easy to cause tripping operations of the machine groups. The all-working-condition automatic RB control method comprises the processes of triggering delay time selection, RB rate selection, target load selection, jump-grinding mode selection, device linkage mode selection, machine group control mode selection, RB resetting and the like, and by aiming at the process control of the different working conditions and the linkage functions of the different device control modes, the method can effectively improve the working condition adaptability and the success ratio of the RB function, and prevent the damages caused by the tripping operations of the machine groups as far as possible.

The invention discloses a wireless sensor network-based greenhouse group control system and a control method thereof. Each greenhouse is provided with a plurality of wireless sensor nodes and a cluster head node for acquiring environmental factors of the greenhouses according to needs, wherein the wireless sensor nodes and the cluster head nodes autonomously form wireless sensor networks by wireless communication; the wireless sensor nodes transmit monitoring data to the corresponding cluster head nodes in a multi-hop way; the cluster head nodes transmit the data to a gateway node which uploads the data to a communication server; the communication server performs two-way communication with a control computer; and the control computer makes corresponding guidance schemes according to the data monitored by the wireless sensor networks in real time, and synchronously transmits control instructions to the wireless sensor networks according to the guidance schemes. In the system and the method, the real-time data monitored by each sensor node in the greenhouses can be timely and accurately acquired, and the control instructions can be fast transmitted to the sensor nodes after specific production guidance is made or early-warning setting is performed according to the monitoring data.

The invention discloses a control system for a modular multilevel converter and an application method of the control system. The control system for the modular multilevel converter comprises a master control unit, M1 bridge arm control units, a group of high-speed digital buses and a group of communication buses, wherein each bridge arm control unit comprises M2 valve group control units; and each valve group control unit is used for controlling the use, the removal, the bypassing and the lockout of sub-modules in a corresponding valve group through an optical fiber, and electrically isolating the sub-modules. A sub-module voltage balancing algorithm for the modular multilevel converter consists of an intra-valve group voltage balancing part and an inter-valve group voltage balancing part. The control system and the application method are used for controlling and managing the use, the removal, the bypassing and the lockout of the sub-modules of the modular multilevel converter to realize the voltage balancing of the sub-modules of the modular multilevel converter, are applied to an application situation where the modular multilevel converter has a great number of sub-modules, and have the characteristics of modular design and high expansibility, and the design difficulty of the control system can be greatly reduced.

A method and apparatus of transmitting in a wireless communication system is provided. A transmitter generates a group management frame including a group information and position information and a data frame including a group control information having a group identifier for each of a plurality of groups. The group information indicates whether the receiver is a member of each of the plurality of groups. The position information indicates a position of at least one stream corresponding to at least one group of which the receiver is a member.

A metaverse system and method for allowing a user to control a group of avatars in a metaverse application. The metaverse system includes a client computer, a metaverse server, and a group link engine. The metaverse server hosts a metaverse application over a network. The client computer interfaces with the metaverse application. The group link engine opens a group link connection. A linked group associated with the group link connection includes at least two linked users. At least one user is designated as a leader of the linked group. The group link engine includes a group link controller to allow the leader to control an action of an avatar of at least one other user.

The invention relates to a method for real-time automatic correcting the figure of shield, and relative device, belonging to the shield driven technique. It is characterized in that: using the full-station device in the tunnel to automatically detect the spatial positions of three objects in the shield; using the program based on the spatial vector theory to automatically calculate the shield figure parameters. There are two shield figure automatic correction modes: pressure section control mode and jack group control mode, and it uses special shield figure automatic correction software to control the figure of shield. The invention can avoid the defect that correcting the axes with manual work with big vibration, to improve the operation quality, shorten working period, reduce the labor, decrease working strength and apply on-site management.

A disclosed projection optical system for projecting and forming an enlarged image of an image displayed in a planar manner as an object includes: a lens system including, from an object side, at least a lens group providing telecentricity to an object space side, a lens group controlling divergence of angles of view, a diaphragm, a lens group converging the angles of view, and a lens group converging and subsequently enlarging the angles of view; and a catoptric system disposed on an image side relative to the lens system and including a mirror having negative power. Each lens group of the lens system and the mirror having negative power share an optical axis and the optical axis is shifted relative to a center of an object surface.

A method and a system for responding to a service request sent to a transportation service, determining one or more alternatives as a transportation device for the user and selecting a personal transportation device. An automated transportation system according to the invention comprises: an elevator group comprising a plurality of elevators, a passenger terminal device for reserving elevators for use by passengers, an elevator group control system responsive to the passenger terminal device for controlling the elevators. The method of the invention comprises the steps of: entering a personal service request via the terminal device, determining on the basis of the service request at least one alternative as a transportation device for the user, and selecting via the terminal device one of the alternatives as the transportation device.

The invention belongs to the technical field of elevator group control, and relates to an elevator group control energy-saving scheduling method. The method comprises the following steps: (1) determining a traffic flow mode; (2) establishing a virtual simulation environment for elevator operation; (3) carrying out curve fitting on each data array respectively, and establishing the traffic flow mode, namely, an optimal energy-saving point knowledge base; (4) choosing the average elevator waiting time, congestion degree and energy consumption as objective functions of the multi-objective optimization problem study on an elevator group control system, and establishing an evaluation function; (5) generating elevator traffic flow information by simulation or collecting the actual traffic flow information; (6) determining the traffic flow mode, and searching the evaluation function parameters matched with the type of the traffic flow in a parameter library of the knowledge base as well as an evaluation function expected value matched with the traffic flow mode; and (7) solving a optimal elevator scheduling scheme by a discrete particle swarm optimization method. The proposed scheduling method can realize energy saving effectiveness in the elevator group control system.

The invention provides an intelligent household system and a group control method based on the intelligent household system. According to the invention, when control groups are needed to set, the method employs a real time control and configuration end device to set at least one control group; when the real time control and configuration end device edits a group control command which includes the content of the command and a controlled object, the controlled object is set to be any control group and is sent to all controlled intelligent devices; and when the controlled intelligent devices receive the group control command, all the controlled intelligent devices pointed by the identification information perform the household practical function set by the content of the command. The intelligent household system and the group control method based on the intelligent household system can greatly simplify the operation of a user and satisfy the individualized requirement for user control; and for controlling multiple controller intelligent devices of varied types, the user can control the multiple devices at the same time by single-process operation so that the workload for the user to perform control operation is greatly simplified and the life of the user can be managed more quickly and becomes more convenient.

A method controls the elevators in an elevator group when destination floor call input is used and the traffic within the elevator group is to be optimized. According to the concept of the method, based on traffic intensity, a cost function is optimized by changing the number of cost criteria from one to several and back and weighting the criteria in different ways in the aforesaid cost function.

An elevator system includes a hall operation panel in an elevator hall and from which a destination floor is input; a group control which assigns a car to be stopped at the destination floor input from the hall operation panel; hall lanterns in the elevator hall for respective cars and informing passengers of assigned cars; and destination floor indicators in the elevator hall for respective cars and indicating destination floors, so that when a destination floor is input from the hall operation panel, the hall lantern corresponding to a car assigned by the group control is lit, and the destination floor indicator corresponding to the car assigned by the group control indicates the destination floor. As a result, the passenger can ascertain at a glance the car he is to get on and always be sure of the car he is to get on until the car arrives, so that the passenger is advantageously enabled to wait for the arrival of the car without experiencing any anxiety.

The invention discloses an energy efficiency controlling method for a refrigerating system. The method comprises the following steps of: initializing the refrigerating system, and starting an automatic analysis operation mode according to the preset interval time; acquiring the operating parameter of each refrigerating host in real time, calculating the operating parameter when the energy efficiency of each refrigerating host or a cooling tower is optimal, and displaying the optimal value of the operating parameter on a monitoring interface of a work station; controlling a controller to regulate the operating parameter according to the optimal value by the work station, so that the energy efficiency of each refrigerating host is optimal; controlling the refrigerating system by a one-by-one increment/ reduction method, so that the energy efficiency of the refrigerating system is highest; and maintaining the optimal value of the operating parameter to operate the refrigerating system, and closing the automatic analysis operation mode till the next automatic analysis operation mode is started. By the method, automatic regulation of the energy efficiency of the refrigerating system and group control of a refrigerating unit can be realized.

The invention discloses a central air-conditioning intelligent group control system, comprising a host, a cooling tower, a cooling pump, a central processor, and a data collector, a cooling reflux output temperature sensor, a freezing reflux output temperature sensor, a freezing reflux output pressure sensor, a controller connected with the central processor for reading the parameters of a frequency changer via on-site bus, and a network gate between the host and the controller. The sensor is connected with the data collector which can transmit the signal of sensor to the central processor. The invention uses several parameters to group control to fully utilize frequency change technique to reduce the abundant refrigeration most. And the invention uses the controller to on-time memory the data of air conditioner, to show variable power curvatures, watched and modified by user.

A method for controlling a zonally operated elevator installation, wherein on a changeover floor changing between zones is made possible, and wherein with a delivering elevator group and a collecting elevator group transportation to and from the changeover floor is realized, and wherein a trip destination is entered via a destination-call control by each passenger to be transported. An elevator installation for zonal operation in buildings with several elevators, wherein each elevator group contains at least one destination-call input device for registering the destination of a passenger. Each elevator is assigned to an elevator group, the building is divided into zones, and a changeover floor for changing between the elevator groups is arranged between the zones. The delivering elevator group and the collecting elevator group are combined into a multi-group which is controlled by a multi-group control. Using the trip-destination entries and a statistics unit, the number of passengers who will change from the elevator group on the changeover floor is determined by the multi-group control. The elevator groups are controlled by the multi-group control depending on the number of changing passengers.

The invention discloses an energy-saving shield machine hydraulic pressure control system, adopting hydraulic transformer, which comprises a hydraulic transformer, a motor, a constant pressure variable displacement pump, a two-position three-way reversing valve, a proportional overflow valve, a safety valve, an accumulator, a hydraulic cylinder, a three-position four-way reversing valve, a hydraulic motor, a reducing valve and a two-position two-way reversing valve; wherein, the shield machine driving, the cutter head drive and the spiral transportation system are integrated in a loop; the constant pressure network comprising the constant pressure variable displacement pump and the accumulator provides the system with power energy; the propulsion system adopts group control and comprises a plurality of groups; the discharge capacity of variable displacement pump/motor inside the hydraulic transformer is adjusted in real-time to control the speed and the propulsive force of the propulsion hydraulic cylinder and the rotational speed and the output torque of the hydraulic motor. The energy-saving shield machine hydraulic pressure control system has the advantages of adopting hydraulic transformer and other energy-saving elements and control methods, lossless transfer of energy, guarding against energy loss in the throttling speed regulation system, and good performance of energy-saving.