Abstract: The present invention provides a carbon dioxide recovery apparatus capable of recovering heat energy of carbon-dioxide-containing gas which includes an absorbing tower to generate and discharge a rich liquid absorbing carbon dioxide as carbon-dioxide-containing gas is introduced and contacted to an absorbing liquid to absorb carbon dioxide, carbon dioxide release devices to discharge semi-lean liquids which have steam containing a part of carbon dioxide released by heating the rich liquid discharged from the absorbing tower, and a regeneration tower to generate a lean liquid which has steam containing remaining carbon dioxide released and separated by heating the semi-lean liquids discharged from the carbon dioxide release devices and to return the lean liquid to the absorbing tower.

Abstract: A method for adjusting a drive control signal for a motor includes providing a drive circuit having a first pin and a second pin, wherein the drive circuit generates the drive signal. A period of the drive signal is determined and an advance angle count value is extracted from a storage register in accordance with the period of the drive signal. One of the advance angle count value and a first control signal coupled to the first input pin are used to determine an advance angle adjustment range or an advance angle count range and a second control signal received via the second input pin are used to determine an advance angle adjustment range. The drive control signal is adjusted in response to the advance angle adjustment range.

Abstract: In accordance with an embodiment, a drive circuit is provided for driving for a motor wherein the drive circuit includes a first signal generator coupled to a second signal generator. A bias generator is connected to the second signal generator. In accordance with another embodiment, a method for driving a motor is provided that includes comparing a first signal at a first output of a Hall sensor with a second signal at a second output of the Hall sensor to generate a comparison signal. An indicator signal is generated in response to the comparison signal, wherein the indicator signal has a first edge and a second edge. A bias signal for the Hall sensor is generated in response to the indicator signal in response to the indicator signal.

Abstract: Electric motor (100) according to the present invention includes stator (40), rotor (10), and a pair of bearings (30). Stator (40) has stator core (41) which is annularly formed. Rotor (10) is located on the inner circumferential side of stator core (41), and includes shaft (12), rotor core (11), and bonded magnets (14). Bonded magnets (14) are filled in magnet holes (13). Bonded magnets (14) are formed with high density portion (14b) having a high density and low density portion (14c) having a density lower than high density portion (14b). In electric motor (100), center position (11b) of rotor core (11) is located on the side where high density portion (14b) is present with respect to center position (41b) of stator core (41) in the direction of shaft center (12a) of shaft (12).

Abstract: Motor according to the present invention includes rotor core and rotor. Rotor core includes outer circumferential surface formed along shaft center, and a plurality of magnet holes. Each of magnet holes has a convex surface located on a side of rotary shaft and a concave surface located on a side of outer circumferential surface. ?1 is a distance between the convex surface and the concave surface on an end part located on the side of outer circumferential surface. ?1 is a distance between the convex surface and the concave surface on a central part located on the side of rotary shaft. In magnet hole, ?1 is larger than ?1. Bonded magnets are filled in magnet holes. ?2 is a thickness of a magnet component located on the end part in an oriented direction of the magnet component. ?2 is a thickness of a magnet component located on the central part in an oriented direction of the magnet component. In each of the plurality of bonded magnets, ?2 is larger than ?2.

Abstract: In accordance with an embodiment, a method for driving a motor includes generating a position indicator signal in response to a signal from the at least one Hall sensor, wherein the position indicator signal has a first period. A phase shift value is generated using the position indicator signal. The position indicator signal is used to generate an adjusted position indicator signal in response to the phase shift value. In accordance with another embodiment, a lead angle adjustment circuit includes a counter coupled to a subtractor circuit through a multiplier circuit. A storage register is coupled to the output of the counter and to an input of a slope determination circuit, wherein the slope determination circuit is coupled to a first external pin of the lead angle adjustment circuit. A multiplier circuit is coupled to the slope determination circuit and to a second external pin.

Abstract: In accordance with an embodiment, a method for driving a motor includes decreasing a duty of an input signal to a motor and decreasing a duty of a duty control signal in response to decreasing the duty of the input signal The duty of the duty control signal is maintained at a first level in response to a reverse current signal and decreased from the first level in the absence of the reverse current signal. In accordance with another embodiment a driver circuit includes a state controller having an input coupled to a pulse width modulation detection circuit and an output connected to a reverse current detection circuit.

Abstract: A construction machine includes: a swing structure; an electric motor that drives the swing structure; an operating device that outputs an operating signal according to an operating amount and an operating direction; an inverter device that controls the electric motor based on a control signal generated based on the operating signal; a position sensor that detects an actual speed of the electric motor; and a second controller that determines whether at least one of a first condition and a second condition is satisfied. The first condition is satisfied when a sign of a value computed by subtracting the actual speed from a target speed of the electric motor that defined by the control signal; and the second condition is satisfied when a difference between the target speed and the actual speed is greater than a first reference value, and when the acceleration is greater than a second reference value.

Abstract: According to one embodiment, an ultrasound diagnostic apparatus includes a probe and processing circuitry. The probe includes an acoustic emission portion sealed in a liquid and a stirring mechanism which stirs the liquid. The processing circuitry is configured to determine a time to stir the liquid. The processing circuitry is configured to drive the stirring mechanism at the determined time to stir the liquid.

Abstract: When a voltage is applied from outside such that a current flowing in a Hall element is switched, each of a plurality of capacitors is charged with an output voltage of the Hall element in each state. A dummy switching element is connected to a switching element which connects the plurality of capacitors in parallel to each other, the dummy switching element and the switching element being controlled to be switched ON and OFF exclusively with respect to each other.

Abstract: Provided is a stator of a motor which is capable of reducing an iron loss generated in a motor and thereby attaining a high-efficient motor. A stator of a motor comprises a yoke of a tubular shape; and teeth each of which includes an extending portion extending inward in a radial direction of the yoke from the yoke and an increased-width portion formed at a tip end of the extending portion so as to have a greater width than the extending portion in a circumferential direction of the yoke; wherein the extending portion has a narrower portion having a smaller width than a remaining portion of the extending portion.

Abstract: A variable valve device for an internal combustion engine is equipped with a variable valve mechanism capable of changing the working angle of an intake valve while holding the maximum lift amount of the intake valve constant. The variable valve device retards the timing for closing the intake valve as the load of the internal combustion engine rises, and enlarges the working angle, while holding the timing for opening the intake valve constant. Operating characteristics of the intake valve are provided in accordance with the load of the internal combustion engine.

Abstract: The invention provides a construction machine control system comprising a working tool (7), a working arm (5) for supporting the working tool and for operating the working tool as required, a machine body (2) for supporting the working arm and for being rotatable, a rotating direction acquiring unit (13, 14) provided on the machine body, a control unit having a storage unit and a display unit, wherein the working arm is configured by two or more links with length already known respectively which are connected in a bendable manner, wherein there are further provided a two-axis tilt sensor on the machine body for detecting a horizontal position, a working arm tilt sensor for detecting a tilting of each links of the working arm, and a working tool tilt sensor for detecting a tilting of the working tool, wherein the control unit displays a guidance screen on the display unit based on a working data stored in the storage unit and where a working position and a design gradient are set, based on a direction of the m

Abstract: There are provided a first step of bending adjacent portions of first and second metal members in the same direction and forming a flange overlapping part where respective flange portions of the first and second metal members are overlapped and contact each other, a second step of starting to perform arc welding from a tip of the flange overlapping part, and a third step of continuing to perform the arc welding until molten metal of a core wire and a base material reaches an opposite-side face of the flange overlapping part and zinc gas generated is emitted from a side opposite to an arc-welding performance side of the flange overlapping part.

Abstract: It is an object of the present invention to provide a method of estimating the maximum value of the flux during long-term stable operation including cleaning of a membrane filtration plant based on measured data of a membrane filtration characteristic during initial membrane filtration.

Abstract: In accordance with an embodiment, a method for driving a motor includes determining a position of a first pole of a rotor of the motor relative to a position of a Hall sensor. A drive signal is generated in response to the position of the first pole of the rotor of the motor, the drive signal having a duty in accordance with the duty control signal or a second duty control signal. In accordance with another embodiment, a drive circuit for a motor includes a state controller connected to a rotational state generation unit, a pulse width modulation detection circuit, and a duty control controller. An align duty set circuit is connected to the duty control controller.

Abstract: In accordance with an embodiment, a drive circuit is provided for driving for a motor wherein the drive circuit includes a first signal generator coupled to a second signal generator. A bias generator is connected to the second signal generator. In accordance with another embodiment, a method for driving a motor is provided that includes comparing a first signal at a first output of a Hall sensor with a second signal at a second output of the Hall sensor to generate a comparison signal. An indicator signal is generated in response to the comparison signal, wherein the indicator signal has a first edge and a second edge. A bias signal for the Hall sensor is generated in response to the indicator signal in response to the indicator signal.

Abstract: In accordance with an embodiment, a drive circuit is provided for driving for a motor wherein the drive circuit includes a rotational state generation circuit connected to a state controller. The state controller is connected to a pulse width modulation detection circuit, a timer, and a duty control controller. In accordance with another embodiment, a method for driving the motor includes coupling a single Hall sensor to the motor and using the single Hall sensor to determine a position of a rotor of the motor. The drive circuit pulls the rotor so that one of its north pole or south pole is adjacent to the single Hall sensor. After the pole of the rotor is adjacent to the rotor, the motor starts.

Abstract: A vehicle 10 according to an embodiment of the present invention is applied to a charge-discharge system CDS. The charge-discharge system includes the vehicle 10, an electric power cable 20, a plug-in station 30, a HEMS 40, and a commercial power supply 50. In a state where the connector 21 of the electric power cable 20 is connected with the inlet of the vehicle 10, an electric power is discharged/supplied from the vehicle electric storage device 11 to an external electric load (e.g., external electric storage device 41). Further, the vehicle electric storage device 11 is capable of being charged by the external power supply 50 through the electric power cable 20. A control device 12 of the vehicle 10 obtains/detects a permissible current value of the electric power cable 20, based on a specific signal (control pilot signal) which is transmitted through a CPLT terminal of the connector 21 before it starts the discharge to the external electric load from the vehicle electric storage device 11.

Abstract: In one embodiment, a carbon dioxide separating and capturing system includes an absorption tower to allow a gas containing carbon dioxide to contact with an absorption liquid and discharge a first rich liquid which is the absorption liquid having absorbed the carbon dioxide, and a regeneration tower to cause the absorption liquid to release a gas containing the carbon dioxide and discharge a lean liquid whose carbon dioxide concentration is lower than that of the rich liquid. The system further includes a reboiler to heat the absorption liquid in the regeneration tower by using steam, and a flow divider to divide the first rich liquid into second and third rich liquids. The system further includes a first heat exchanger to heat the second rich liquid by using the lean liquid, and a second heat exchanger to heat the third rich liquid by using water discharged from the reboiler.