Abstract: A method for migrating configuration information during live migration of a virtual machine is disclosed. The method includes, after receiving a message of live migration that a virtual machine migrates from a source physical host to a target physical host sent by a virtual machine management server, acquiring an identifier of a source forwarding switch of the virtual machine and an identifier of a target forwarding switch of the virtual machine, and sending prestored configuration information to the target forwarding switch corresponding to the identifier of the target forwarding switch, so that the target forwarding switch stores the configuration information. The method also includes sending a configuration information deletion instruction to the source forwarding switch corresponding to the identifier of the source forwarding switch, so that the source forwarding switch deletes the prestored configuration information.

Abstract: This disclosure features an apparatus including a motor controller to generate control signals to control an electric motor. The motor controller includes a first saturation controller to generate a first saturation controller output based on feedback signals associated with the electric motor. The motor controller further includes a duty ratio modulator coupled to the first saturation controller. The duty ratio modulator is configured to determine activation times for a set of voltage vectors based on the first saturation controller output. The motor controller is configured to generate, at each switching cycle, a control signal based on the set of voltage vectors and the activation times for the set of voltage vectors, and provide the control signal for controlling the electric motor.

Abstract: A group key is computed based on unique identifications of each member device of a group of machine type communication devices, wherein communication with a network application function is performed by using a session identification of the group, and/or by using a session identification of a member device of the group, generated based on the session identification of the group and the unique identification of the member device.

Abstract: CT devices and methods thereof are disclosed. The CT device comprises a circular electron gun array including a plurality of electron guns, each of the electron guns is configured to emit electron beams along the radial direction of the circular electron gun array in sequence according to a predetermine pulse sequence; an acceleration cavity disposed inside of a circle on which the circular electron gun array is positioned, including a plurality of nested concentric coaxial cavities that operate in ? mode for accelerating electron beams emitted from the respective electron guns of the circular electron gun array; a circular transmission target disposed inside of a circle on which the acceleration cavity is positioned and being bombarded by the accelerated electron beams to generate X-rays; and a circular detector configured to receive the X-rays after they have passed through an object to be detected.

Abstract: An equipment and method for forecasting tunnel water inrush using a magnetic resonance differential, where a computer is connected to a transmitting bridge circuit through a high voltage power supply, to a control unit, a first and second signal modulating circuits and a multi-channel collecting circuit; the control unit is connected to a transmitting driver circuit, a first and second protection switches, and the transmitting bridge circuit through the transmitting driver circuit; two ends of a transceiving multi-turn coil are connected to the multi-channel collecting circuit through the first and second protection switches; two ends of a receiving multi-turn coil are connected to the multi-channel collecting circuit through the second protection switch and the second signal modulating circuit; one end of the transceiving multi-turn coil is connected to the transmitting bridge circuit, and the other end is connected to the transmitting bridge circuit through a resonant capacitor.

Abstract: The present document discloses an apparatus and method for nonlinear system distortion correction. The apparatus includes: apparatus for nonlinear system distortion correction including: a robustness signal source generator, arranged to generate a robustness signal provided to an adaptive device; the adaptive device, arranged to collect a main link signal output by a signal generator and a feedback signal returned by the main link signal via a feedback link, and generate a correction parameter according to the main link signal, the feedback signal and the robustness signal; and a pre-corrector, arranged to according to the correction parameter perform pre-correction processing on the main link signal output by the signal generator.

Abstract: CT Devices and methods thereof are disclosed. The CT device comprises an electron beam generation unit, a circular reflection target (9) and a circular detector array. The electron beam generation unit comprises an electron gun (7), a deflection scanning unit and a restrictor (16), wherein the electron gun (7) generates electron beams, the deflection scanning unit deflects the electron beams with a deflection direction varying as time so as to implement a circular scanning, and the restrictor (16) has a plurality of circularly distributed holes, and wherein when the electron beams scan along the circularly distributed holes, a plurality of electron beams that are distributed circularly are output. The circular reflection target (9) is disposed to be coaxial with the circularly distributed electron beams, wherein the circularly distributed electron beams bombard the circular reflection target (9) to generate X-rays that intersect the axis of the circularly distributed electron beams.

Abstract: CT devices and methods thereof are disclosed. The CT device comprises a circular electron beam emission array including a plurality of electron beam emission units that are distributed uniformly along a circle, wherein each electron beam emission unit emits electron beams that are substantially parallel to an axis of the circular electron beam emission array in sequence under the control of a control signal; a circular reflection target which is disposed to be coaxial with the circular electron beam emission array, wherein the electron beams bombard the circular reflection target to generate X-rays that intersect the axis of the circular electron beam emission array; and a circular detector array which is disposed to be coaxial with the circular reflection target and configured to include a plurality of detection units which receive the X-rays after they have passed through an object to be detected.

Abstract: An apparatus and method for converting wave energy using the relative rotational movement between two interconnected float assemblies and the relative rotational movement between each of the float assemblies and a spar which extends from a buoyant nacelle having a central longitudinal axis wherein the floats are nestable behind the buoyant nacelle.

Abstract: The present invention relates to an integrated magnetics component comprising a magnetically permeable core comprising a base member extending in a horizontal plane and first, second, third and fourth legs protruding substantially perpendicularly from the base member. First, second, third and fourth output inductor windings are wound around the first, second, third and fourth legs, respectively. A first input conductor of the integrated magnetics component has a first conductor axis and extends in-between the first, second, third and fourth legs to induce a first magnetic flux through a first flux path of the magnetically permeable core. A second input conductor of the integrated magnetics component has a second coil axis extending substantially perpendicularly to the first conductor axis to induce a second magnetic flux through a second flux path of the magnetically permeable core extending substantially orthogonally to the first flux path.

Abstract: Methods and apparatus are disclosed for wirelessly transmitting power. In one aspect, an apparatus for wireless transmitting power is provided. The apparatus comprises a first coil loop defining a first area, the first coil loop conducting current at a first current value for generating a first magnetic field. The apparatus further comprises a second coil loop surrounding the first coil loop and defining a second area, the second coil loop conducting current at a second current value generating a second magnetic field, wherein a ratio of the first current value to the first area is substantially equal to a ratio of the second current value to the second area.

Abstract: The current subject matter determines the location of the J-point in an ECG signal by examining ECG samples within a window of samples between the S-peak and the T-peak. The sample in this range with the smallest distance, ?d, to the R-peak is selected as the J-point. Thus, the J-point location can be determined based on an ECG sample's distance to the R-peak. The J-point location can then be used to determine whether there is elevation or depression of the ST segment. Related apparatus, systems, techniques, and articles are also described.

Abstract: Methods and systems for managing permission controls are disclosed. A method can comprise receiving a request to perform one or more restricted activities. The request can include at least an identifier of a first user associated with the request and an identification of the one or more restricted activities. The identifier of the first user associated with the request and/or the identification of the one or more restricted activities can be presented to a second user, such as an administrator. A response to the request can be provided by the second user and transmitted comprising information relating to one or more of a grant, denial, or modification of the performance of the one or more restricted activities. The transmitted response can be configured to be processed by the source to effect grant, denial, or modification of the performance of the one or more restricted activities.

Abstract: The present invention provides a novel on-off transmission device for high voltage electric switch, comprising conducting rod and switch actuating device to actuate the reciprocating motion of the conducting rod, wherein an insulation layer is coated on the circumferential wall of the conducting rod. An insulation main shaft and an insulation crank arm rotate and swing to actuate the linear reciprocating motion of the conducting rod, and the contact compressing spring sheet is directly applied to the externally insulated conducting rod. Besides, the insulation portion is directly provided outside the conducting rod, which not only cuts down the cost of production, but also makes the overall structure compacted, simplified and miniaturized, and detachment and maintenance become more convenient.

Abstract: This disclosure features an apparatus including a motor controller to generate control signals to control an electric motor. The motor controller includes a first saturation controller to generate a first saturation controller output based on feedback signals associated with the electric motor. The motor controller further includes a duty ratio modulator coupled to the first saturation controller. The duty ratio modulator is configured to determine activation times for a set of voltage vectors based on the first saturation controller output. The motor controller is configured to generate, at each switching cycle, a control signal based on the set of voltage vectors and the activation times for the set of voltage vectors, and provide the control signal for controlling the electric motor.

Abstract: A method to manage a hazardous condition is described. The method may include receiving, from a set of sensor devices, a temperature attribute and a first motion attribute. The method may include monitoring a motion sensor for a second motion attribute. The method may also include determining an existence of a hazardous condition based on a combination of the temperature attribute and the first motion attribute, and after monitoring the motion sensor for the second motion attribute for a threshold amount of time without receiving the second motion. The method may include sending a message indicative of the hazardous condition to a client device.

Abstract: A standing wave electron linear accelerating apparatus and a method thereof are disclosed. The apparatus comprises an electron gun configured to generate electron beams; a pulse power source configured to provide a primary pulse power signal; a power divider coupled downstream from the pulse power source and configured to divide the primary pulse power signal outputted from the pulse power source into a first pulse power signal and a second pulse power signal; a first accelerating tube configured to accelerating the electron beams with the first pulse power signal; a second accelerating tube configured to accelerate the electron beams with the second pulse power signal; a phase shifter configured to continuously adjust a phase difference between the first pulse power signal and the second pulse power signal so as to generate accelerated electron beams with continuously adjustable energy at output of the second accelerating tube.

Abstract: A method for migrating configuration information during live migration of a virtual machine is disclosed. The method includes, after receiving a message of live migration that a virtual machine migrates from a source physical host to a target physical host sent by a virtual machine management server, acquiring an identifier of a source forwarding switch of the virtual machine and an identifier of a target forwarding switch of the virtual machine, and sending prestored configuration information to the target forwarding switch corresponding to the identifier of the target forwarding switch, so that the target forwarding switch stores the configuration information. The method also includes sending a configuration information deletion instruction to the source forwarding switch corresponding to the identifier of the source forwarding switch, so that the source forwarding switch deletes the prestored configuration information.