摘要:
By ejecting pressurized ink from a nozzle, ink droplets are produced and shoot toward a recording paper to be deposited thereon. In order to produce a recording pattern by correspondingly deflecting the ink droplets, the latter is charged in dependence upon the recording information signal. The ink droplets thus charged are then subjected to a coulomb force upon passage through a deflection electric field. For the purpose of charging the ink droplets properly by means of synchronizing the information signal precisely with the timing phase of the ink droplets production, the magnitude of voltage supplied to an electro-strain element for vibrating the nozzle is controlled.
摘要:
An ink-jet recording apparatus is disclosed in which ink particles are periodically generated, the ink particles are charged by an information recording signal synchronous with the period of the generation of the ink particles and the charged ink particles are deflected in accordance with the respective charge amounts to record a desired image on a recording medium. The ink particles charged by the information recording signal includes a first group to be used for recording and a second group to be used for the detection of whether the phase of the information recording signal is adequate or not. The deviation of the phase of the information recording signal from the timing of the periodic generation of the ink particles is detected by detecting the charge amount of the ink particle of the second group, so that the phase of the information recording signal is automatically shifted to correct the phase deviation. Thus, the first ink particle group is charged by an optimized information recording signal.
摘要:
A rivet-shaped electrical contact for relay is used as a movable contact for the relay. The rivet-shaped electrical contact includes a heavy-load contact portion formed of a first silver-oxide type contact material; and a light-load contact portion formed of a second silver-oxide type contact material. The hardness of the first silver-oxide type contact material is set to be higher than that of the second silver-oxide type contact material.
摘要:
A semiconductor device that can suppress variation of GND potential of a control board and prevent malfunction of IC without restricting a mounting direction of the IC of the control board is provided. In a power module 10 as a semiconductor device in which an insulating board 31 having a power switching element 24 and a control board 22 having IC 50 for controlling the power switching element 24 are vertically provided in a case body 19, GND pins 61 are provided at both the sides of the IC 50, a GND pattern. 51 to which the GND pins 61 of the IC 50 are connected is provided in the control board 22, and a GND loop breaking slit 70 as a. breaking portion for breaking a GND loop formed by electrical connection of the IC 50, the GND pins 61 at both the sides of the IC 50 and the GND pattern 51 is provided to the GND pattern 51.
摘要:
In an apparatus, a norm setter sets, based on a request torque for a rotary machine and a rotational velocity of a rotor, a norm of a vector of an output voltage in a two-phase rotating coordinate system defined in the rotor. A phase setter sets, based on a deviation between a generated torque and the request torque, a phase of the vector of the output voltage of the power converter in the two-phase rotating coordinate system. A drive signal determiner determines, based on the norm set by the norm setter and the phase set by the phase setter, a drive signal, and applies the drive signal to a switching member to thereby drive the switching member such that the generated torque is adjusted to the request torque.
摘要:
A consumer energy management system includes a home gateway configured to receive at least CO2 emission intensity level information or power generation by renewable resources information associated with an electric power system, and a display unit configured to display the CO2 emission intensity level information or the power generation by renewable resources information received by the home gateway
摘要:
A control system is designed to use a plurality of voltage vectors expressing a switching mode for a switching circuit to thereby control a difference between a current actually flowing through a multiphase rotary machine and a command current value therefor within an allowable range. The plurality of voltage vectors include a zero vector that allows line-to-line voltages in the multiphase rotary machine to be all zero, and a plurality of non-zero vectors that allow at least one of line-to-line voltage in the multiphase rotary machine to be nonzero. A drive unit is configured to switch only one phase of the switching element for each shift of the switching mode to thereby shift, in accordance with a preset switching pattern, the switching mode from a specified one of the plurality of non-zero vectors to the specified one of the plurality of non-zero vectors via the zero vector.
摘要:
In an apparatus, a norm setter sets, based on a request torque for a rotary machine and a rotational velocity of a rotor, a norm of a vector of an output voltage in a two-phase rotating coordinate system defined in the rotor. A phase setter sets, based on a deviation between a generated torque and the request torque, a phase of the vector of the output voltage of the power converter in the two-phase rotating coordinate system. A drive signal determiner determines, based on the norm set by the norm setter and the phase set by the phase setter, a drive signal, and applies the drive signal to a switching member to thereby drive the switching member such that the generated torque is adjusted to the request torque.
摘要:
In an apparatus, a phase setter sets, based on a deviation between a generated torque and a request torque for a rotary machine, a phase of a vector of a variable output voltage of a power converter in a two-phase rotating coordinate system defined in a rotor of the rotary machine. A norm setter sets, based on the phase set by the phase setter and a rotational velocity of the rotor, a norm of the vector of the output voltage in the two-phase rotating coordinate system. A drive signal determiner determines, based on the phase set by the phase setter and the norm set by the norm setter, a drive signal, and applies the drive signal to the switching member to thereby drive the switching member such that the generated torque is adjusted to a request torque.
摘要:
A technique of computing a realistic cross-section layout of a wire bundle which corresponds to the initial arrangement of wires. Geometrical data are obtained by a geometrical data obtaining means (11a), and the layout data corresponding to the geometrical data is obtained by layout data obtaining means (11b). Boundary data is calculated based on the layout data by boundary data calculation means (11c), and bundling shape data corresponding to the boundary data and showing the shape of the cross-section layout of the wire bundle is obtained by a bundling shape data obtaining means (11d). The boundary data is deformed toward the bundling shape data by a boundary data deformation means (11e), and the layout data are is adjusted to an arrangement of each cross-sectional shape by massing all of the plurality of cross-sectional shapes, which arrangement is by calculating each movement of the plurality of cross-sectional shapes in the boundary data according to a contact between boundary data and the cross-sectional shape, or a contact between each cross-sectional shape. The cross-section layout data based on the adjusted layout data is outputted by a cross-section layout data outputting means (11g).