Abstract:
A robot installation includes a first robot and a second robot. The first robot is attached to a fixed position in relation to the second robot such that the second robot lies within a reach of at least one drive arm of the first robot.
Abstract:
A method and arrangement for determining a capacitor degradation parameter associated with the degree of degradation of a cell capacitor in a converter cell of a power converter including a plurality of identical converter cells, including redundant converter cells, which converter cell, prior to determining the capacitor degradation parameter, has been bypassed. The method includes a) obtaining a measurement parameter value associated with discharging of the cell capacitor, forming a dc-link, from a measurement start voltage level at a measurement start time to a measurement end voltage level at a measurement end time, and b) determining a value of the capacitor degradation parameter based on the measurement parameter value.
Abstract:
A system for defining motions of a plurality of real robots cooperatively performing a show based on a description of the motions of the robots defined by animation software. The system includes at least one storage for storing a plurality of segments that describe the motions of the robots during the show, each segment includes a description of motions of one of the robots during a defined time period, and for storing a plurality of scenes, each scene specifying a plurality of segments to be executed simultaneously by the robots, and a playlist handler configured to handle creation of a playlist including a sequence of scenes and to amend the playlist according to user commands, and a user interface configured to display the playlist to a user, to allow the user to edit the playlist by amending the sequence of scenes, and to receive the user commands.
Abstract:
A dummy tool is used to teach a robot the path the robot will follow to perform work on a workpiece to eliminate the possibility of damaging an actual tool during the training. The dummy tool provides the robot programmer an indication of potential collisions between the tool and the workpiece and other objects in the work cell when path is being taught. The dummy tool can have a detachable input/output device with a graphic user interface (GUI) that can communicate wirelessly with the robot controller. The dummy tool can also have a moveable camera attached thereto to track the relationship of the tool to objects in the work area.
Abstract:
A method in a control unit for closing a contactor device. The control unit is configured to enable the movement between the closed and opened position by energizing a coil of an electromagnetic circuit. The method includes applying a voltage over the coil; determining, during a first period of time, current through the coil and voltage over the coil and estimating based thereon model parameters for a model predicting the behavior of the current through the coil if the contactor device were to stay in an open position, and measuring, after the ending of the first period of time, current through the coil and determining a difference between, on the one hand the measured current and, on the other hand a predicted current of the model, and repeating the measuring and determining until a state change from open position to closed position is detected by the difference in current.
Abstract:
The present application discloses a method to optimize operation of a transformer cooling system, the corresponding cooling system, and a method to determine the capacity of Variable Frequency Drives (VFD) that are used in the transformer cooling system. The method comprises: preprocessing the initial data input by user; collecting the on-line data, and calculating the optimized control command to meet the requirement of the transformer loss, top-oll temperature variation and noise; and executing the control actions by controlling a controllable switch and/or sending a control command to a VFD. Compared with the existing prior arts, the proposed solutions are much more intuitive and practical in the field of the cooling system.
Abstract:
In aspects, the present invention discloses a method for replacing a first field device with a second field device using a commissioning tool. The method comprising retrieving a device description file associated with the first field device, analyzing the device description file, generating a first object by mapping a parameters of the second field device to a parameter from the identified one or more parameters based on a first index and a second index, generating a configuration file associated with the second file device based on the device description file and the generated first object, and transmitting the configuration file to the second field device for commissioning operation of the second field device. The step of analyzing the device description file comprises identifying one or more parameters from the plurality of parameters for mapping based on a predetermined criteria.
Abstract:
A method and system for controlling electrical power in a micro-grid, especially during islanding when the micro-grid is disconnected from a main grid is described. A potential load shedding for islanding is determined when the micro grid is connected to the main grid. The potential load shedding is performed when a grid switch that connects the micro-grid to a main grid opens. A frequency based load shedding and a frequency based control of power injections to the micro grid may also be performed. The frequency based load shedding is performed with a faster response than the power injection control during islanding. The frequency based power injection control is performed with a faster response than the frequency based load shedding when the micro grid is connected to the main grid. A load shedding controller, an energy storage controller and methods performed by the load shedding controller, and the energy storage controller, respectively, is also provided.
Abstract:
Embodiments of the present disclosure relate to a method and apparatus for optimizing performance of a robotic cell. The robotic cell comprises at least one workstation and at least one robot. The method may comprise determining a factor and a corresponding workstation sensitive to the performance of the robotic cell by performing a sensitivity analysis on an initial cell layout for the robotic cell; and performing a performance optimization process on the corresponding workstation based on the determined factor to obtain an improved cell layout for the robotic cell. With embodiments of the present disclosure, it is possible to perform performance optimization of the robotic cell on the sensitive workstation regarding to the sensitive factor, and thus it may efficiently determine an improved cell layout which may achieve performance improvement.
Abstract:
It is presented a DC/DC converter for converting power between a first DC connection comprising a first positive terminal and a first negative terminal, and a second DC connection comprising a second positive terminal and a second negative terminal. The DC/DC converter comprises: a first multilevel converter and a second multilevel converter connected serially between the first positive terminal and the first negative terminal, wherein the second positive terminal is connected to a point between the first multilevel converter and the second multilevel converter; and a first filter connected between an AC terminal of the first multilevel converter and an AC terminal of the second multilevel converter, wherein the first filter comprises a capacitor and an inductor.
Abstract translation:本发明提供一种DC / DC转换器,用于在包括第一正极端子和第一负极端子的第一DC连接器和包括第二正极端子和第二负极端子的第二DC连接器之间转换功率。 DC / DC转换器包括:串联连接在第一正极端子和第一负极端子之间的第一多电平转换器和第二多电平转换器,其中第二正极端子连接到第一多电平转换器和第二多电平转换器之间的点; 以及连接在第一多电平转换器的AC端子和第二多电平转换器的AC端子之间的第一滤波器,其中第一滤波器包括电容器和电感器。