Abstract: The invention relates to a method (400) for regulating an electric machine (190), comprising a harmonic filter (150), said harmonic filter (150) comprising a second filter (142) and a filter output transformer (132). The method has the steps of: ascertaining (410) a feedback variable (Idq); determining (414) a filter specification variable (FV); filtering (415) the filter specification variable (FV); ascertaining (417) a filtered feedback variable without harmonic components (IdqFunda); and energizing (480) at least one winding of the electric machine (190) on the basis of the filtered feedback variable without harmonic components (IdqFunda).

Abstract: A gas detection purification device is disclosed and includes a main body, a purification unit, a gas guider, a gas detection module and a controlling-driving module. The main body includes an inlet, an outlet, an external socket and a gas-flow channel disposed between the inlet and the outlet. The purification unit is disposed in the gas-flow channel for filtering gas introduced through the gas-flow channel. The gas guider is disposed in the gas channel and located at a side of the purification unit. The gas is inhaled through the inlet, flows through the purification unit and is discharged out through the outlet. The gas detection module is plugged into or detached from the external socket. The controlling driving module is disposed within the main body and electrically connected to the gas guider to control the operation of the gas guider in an enabled state and a disabled state.

Abstract: A blood pressure detection device manufactured by a semiconductor process includes a substrate, a microelectromechanical element, a gas-pressure-sensing element, a driving-chip element, an encapsulation layer and a valve layer. The substrate includes inlet apertures. The microelectromechanical element and the gas-pressure-sensing element are stacked and integrally formed on the substrate. The encapsulation layer is encapsulated and positioned on the substrate. A flowing-channel space is formed above the microelectromechanical element and the gas-pressure-sensing element. The encapsulation layer includes an outlet aperture in communication with an airbag. The driving-chip element controls the microelectromechanical element, the gas-pressure-sensing element and valve units to transport gas.

Abstract: A blood pressure device includes a first blood pressure measuring device, a second blood pressure measuring device, and a controller. The first blood pressure measuring device is to be worn on a first position of a wrist so as to obtain a first blood pressure information of the first position. The second blood pressure measuring device is to be worn on a second position of the wrist so as to obtain a second blood pressure information of the second position. The controller is electrically coupled to the first blood pressure measuring device and the second blood pressure measuring device so as to adjust tightness between the expanders and the user's skin, respectively. The controller receives, processes, and calculates a pulse transit time between the first blood pressure information and the second blood pressure information, and the controller obtains at least one blood pressure value based on the pulse transit time.

Abstract: A sewing machine includes a main body and a quick release needle plate module. The main body includes a base seat having an inner frame, and an outer case that is mounted to the inner frame and that defines an accommodating compartment. The quick release needle plate module includes a catch member, and a needle plate that covers the accommodating compartment, that is detachably pivoted to a rear section of the inner frame, and that engages the catch member. The quick release needle plate module further includes a press member inserted through the outer case and the inner frame, and operable to push the catch member to disengage the catch member. The needle plate has a plate body that covers the accommodating compartment, and a resilient member mounted between the inner frame and the plate body for driving pivot action of the plate body away from the inner frame.

Abstract: Semiconductor device structures having gate structures with tunable threshold voltages are provided. Various geometries of device structure can be varied to tune the threshold voltages. In some examples, distances from tops of fins to tops of gate structures can be varied to tune threshold voltages. In some examples, distances from outermost sidewalls of gate structures to respective nearest sidewalls of nearest fins to the respective outermost sidewalls (which respective gate structure overlies the nearest fin) can be varied to tune threshold voltages.

Abstract: The invention relates to a method (400) for calibrating a controller of an electric machine (120).

Abstract: A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes. The first sensor layer is configured for detection of presence of a finger based on a change in capacitance between the receiver electrode and the transmitter electrode of the first sensor layer caused by the presence of the finger on the top surface of the head.

Abstract: The invention relates to a method (400) for regulating an electric machine (190), comprising at least one first filter (140) and at least one second filter (142, 144). The method has the steps of: ascertaining (410) a feedback variable (Idq); filtering (412) a specifiable GW matching variable (Idq*); ascertaining (414) the filtered feedback variable without fundamental components (IdqWo-Funda); filtering (416) the filtered feedback variable without fundamental components (IdqWo-Funda); ascertaining (418) a filtered feedback variable without harmonic components (IdqFunda); and energizing (480) at least one winding of the electric machine (190) on the basis of the filtered feedback variable without harmonic components (IdqFunda).

Abstract: A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes. The first sensor layer is configured for detection of presence of a finger based on a change in capacitance between the receiver electrode and the transmitter electrode of the first sensor layer caused by the presence of the finger on the top surface of the head.

Abstract: A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes. The first sensor layer is configured for detection of presence of a finger based on a change in capacitance between the receiver electrode and the transmitter electrode of the first sensor layer caused by the presence of the finger on the top surface of the head.

Abstract: A pointing stick assembly includes: a head having a top surface configured to interface with a finger; a shaft connected to the head, wherein the shaft configured to be moved downward based on a finger pressing down on the head and to be tilted based on a finger tilting the head; a first sensor layer comprising a receiver electrode and a transmitter electrode; a second sensor layer comprising a transmitter electrode; and a third sensor layer comprising a plurality of receiver electrodes. The first sensor layer is configured for detection of presence of a finger based on a change in capacitance between the receiver electrode and the transmitter electrode of the first sensor layer caused by the presence of the finger on the top surface of the head.

Abstract: The invention relates to a method (400) for regulating an electric machine (190), comprising at least one first filter (140) and at least one second filter (142, 144). The method has the steps of: ascertaining (410) a feedback variable (Idq); filtering (412) a specifiable GW matching variable (Idq*); ascertaining (414) the filtered feedback variable without fundamental components (IdqWo-Funda); filtering (416) the filtered feedback variable without fundamental components (IdqWo-Funda); ascertaining (418) a filtered feedback variable without harmonic components (IdqFunda); and energizing (480) at least one winding of the electric machine (190) on the basis of the filtered feedback variable without harmonic components (IdqFunda).

Abstract: The invention relates to a method (400) for regulating an electric machine (190) comprising a harmonic regulator (100), wherein the harmonic regulator comprises an input transformer (110), a regulator (120), and an output transformer (130). The method has the steps of: ascertaining (410) a feedback variable (Idq); transforming (420) the feedback variable (Idq); ascertaining (430) a regulating deviation; ascertaining (440) an equalization variable (UHrmc*); back-transforming (450) the equalization variable (UHrmc*); and energizing (480) at least one winding of the electric machine (190) on the basis of the actuating variable (UdqHrmc*).

Abstract: The invention relates to a method (400) for calibrating a controller of an electric machine (120).

Abstract: The invention relates to a method (400) for regulating an electric machine (190), comprising a harmonic filter (150), said harmonic filter (150) comprising a second filter (142) and a filter output transformer (132). The method has the steps of: ascertaining (410) a feedback variable (Idq); determining (414) a filter specification variable (FV); filtering (415) the filter specification variable (FV); ascertaining (417) a filtered feedback variable without harmonic components (IdqFunda); and energizing (480) at least one winding of the electric machine (190) on the basis of the filtered feedback variable without harmonic components (IdqFunda).

Abstract: The invention relates to a method for determining a rotor temperature of an electric motor, in particular an asynchronous motor, the rotor temperature being determined at least in accordance with reactive powers and/or in accordance with losses of the electric motor. A first rotor temperature is determined in accordance with the reactive powers and, depending on an operating range of the electric motor, plausibility-checked or replaced by a second rotor temperature, which is determined in accordance with the losses.

Abstract: A keyboard input device including a plurality of key assemblies, at least one of the key assemblies comprising: a key cap having a top surface configured to be pressed by a user; a rigid conductive substrate (e.g., metal) coupled to a bottom surface of the key cap; a translation mechanism configured to allow translation of the key responsive to user input; and a capacitive sensor substrate disposed between the key cap and the rigid conductive substrate, the capacitive sensor substrate comprising a plurality of sensor electrodes configured to detect input objects in a sensing region of the key assembly.

Abstract: An input device includes an input surface and a first substrate mechanically coupled to the input surface. The first substrate includes a first plurality of sensor electrodes configured to detect an input force applied by an input object to the input surface. The input device further includes a conductive material disposed between the input surface and the first plurality of sensor electrodes. The conductive material shields the first plurality of sensor electrodes from effects of the input object in a sensing region of the input device. The input device further includes a second substrate mechanically coupled to the first substrate. The second substrate includes a second plurality of sensor electrodes configured to detect a location of an input object at the input surface.

Abstract: The invention relates to a method for determining a rotor temperature of an electric motor, in particular an asynchronous motor, the rotor temperature being determined at least in accordance with reactive powers and/or in accordance with losses of the electric motor. A first rotor temperature is determined in accordance with the reactive powers and, depending on an operating range of the electric motor, plausibility-checked or replaced by a second rotor temperature, which is determined in accordance with the losses.