Casalonga

A rotary actuator (100) is provided which comprises: a rotary component (102); a fixed component (104a, 104b), wherein the rotary component is adapted to rotate about a rotational axis (X-X) relative to the fixed component, wherein the fixed component is configured to be mounted to and fixed relative to a first structure; and a mounting arrangement (106) adapted to mount the rotary component to a second structure such that rotation of the rotary component pivots the second structure about the rotational axis relative to the first structure. The mounting arrangement comprises: a rotary output (108) configured to rotate with the rotary component; a first rotary output aperture (120); a second rotary output aperture (122), wherein the first and second rotary output apertures are spaced from each other and extend through the rotary output; a driving component (130a, 130b) configured to be fixed to the second structure to drive rotation thereof; a first driving component aperture (132); a second driving component aperture (134), wherein the first and second driving component apertures are spaced from each other and extend through the driving component; an eccentric bushing (140) at least partly located in at least one of the first rotary output aperture and the first driving component aperture; a first fastener (170) extending along a first fastener axis (F-F), through the eccentric bushing, the first rotary output aperture and the first driving component aperture; and a second fastener (172) extending along a second fastener axis (G-G), through the second rotary output aperture and the second driving component aperture so as to mount the rotary output to the driving component, wherein the distance between the first fastener axis and the second fastener axis is adjusted by rotation of the eccentric bushing.

A filtering method is proposed for processing a time signal X by temporal noise reduction. It comprises at least the following steps: at each instant k, selecting a candidate variable when the current value x_(n,m)(k,p) of the time signal X is included in the current value of a corresponding confidence interval; updating a current value of occurrence scores; when the current value x_(n,m)(k,p) is only included in the corresponding confidence interval, then determining a current value of the selected candidate variable by averaging its precedent value at the preceding instant k-1 with the current value x_(n,m)(k,p); providing a filtered value xf_(n,m)(k,p) of the time signal X at the current instant k, as being equal to the current value of the candidate variable having the highest occurrence score.

Auxiliary power supply, connected by its inputs to a power supply and by its outputs to a load, comprising at least two modules (Mi,Mj), the modules inputs being connected in serial, the modules outputs being connected in parallel, wherein in each module:a. The first input pole (Ii1,Ij1) is connected to a first pole of a first capacitor (Ci1,Cj1) and to a first pole of a first switch (Si1,Sj1),b. The second input pole (Ii2,Ij2) is connected to the second pole of the first capacitor (Ci1,Cj1), to a second pole of a second switch (Si2,Sj2) and to a pole of a second capacitor (Ci2,Cj2),c. a second pole of the first switch (Si1,Sj 1) is connected to a first pole of the second switch (Si2,Sj2) and to a pole of an inductor (Li,Lj ),d. the inductor (Li,Lj) is connected by its other pole to a first end of a primary winding of a transformer (Ti,Tj),e. the second end of the transformer (Ti,Tj) primary winding is connected to a first pole of the second capacitor (Ci2,Cj2),the transformer (Ti,Tj) secondary winding is connected to the output poles (Oi1,Oi2,Oj1,Oj2)

An example of a compensation filter circuit (600), a method for compensating a processed signal having a frequency response that varies based on one or more environment characteristics, and an electrical system comprising a compensation filter circuit are provided. The example compensation filter circuit includes a base compensation filter (554), a difference compensation filter (550), and scaling circuitry (552). The scaling circuitry generates a scaled difference compensated signal (555) based on a difference compensated signal (551) and environment characteristics, such that an output signal (108) is generated based on the scaled difference compensated signal (550) and a base compensated signal (557).

Disclosed are a parking intention recognition method and apparatus, an electronic device, and a storage medium, relating to the technical field of assisted driving. The method includes: acquiring multimodal information of a vehicle during driving; performing feature fusion on the multimodal information to obtain a multimodal fused feature; utilizing, based on the multimodal fused feature and a historical prediction result of a pre-trained neural network model, the neural network model to obtain a current prediction result including a parking probability and a target parking time; and recognizing a parking intention of the vehicle based on the parking probability and the target parking time of the vehicle.

An actuator system (200) of an aircraft, including an actuator housing (205), an input lever (206), a piston (204) and a valve member (114). The input lever receives an input from a pilot and is pivotably mounted on the actuator housing. The input lever actuates the valve member to selectively control a flow of a pressurised hydraulic fluid based on the input. The flow of the pressurised hydraulic fluid and the input lever move the piston based on the input. The piston actuates a flight surface of the aircraft. The actuator system also includes a removeable coupling bar (224) connected to the actuator housing and a central portion (212) of the input lever. The removeable coupling bar substantially prevents motion of the piston when attached to the actuator housing and the input lever, and is removed when the actuator system is installed in the aircraft.

A detachable tower fan comprises a housing (10), a tower fan blade (20) and a driving assembly (30). The housing (10) is columnar and has an intake portion (12), an exhaust portion (13) and an access opening (14) that all communicate with an interior of the housing (10). The access opening (14) is on a top part of the housing (10). The tower fan blade (20) and the driving assembly (30) are respectively disposed in the housing (10). Contours of the tower fan blade (20) and of the access opening (14) correspond to each other. The tower fan blade (20) is detachably connected to the driving assembly (30). When cleaning the detachable tower fan, the tower fan blade (20) can be easily detached from the driving assembly (30) and withdrawn from the housing (10) through the access opening (14), thereby increasing cleaning convenience.

There is provided a linear actuator (10) comprising: an output rod (20) having a longitudinal axis (22) and a distal end (11); a structure (26) comprising a friction surface (28) radially spaced from the output rod (20), wherein the output rod (20) is configured for extension and retraction in an axial direction relative to the structure (26); an input rod (18) for driving movement of the output rod (20), wherein the input rod (18) is axially moveable relative to the output rod (20); and a locking element (30; 48). The locking element (30; 48) comprises: a brake portion (32; 50) arranged between the friction surface (28) and the output rod (20); and an inclined surface (26; 54). The locking element (30; 48) is axially moveable relative to the output rod (20), wherein when the input rod (18) is moved in a first axial direction (D1; D2) relative to the structure (26), the input rod (18) contacts the locking element (30; 48) so as to drive the output rod (20) in the first axial direction (D1; D2), and wherein when an external load acts on the distal end (11) of the output rod (20) in the first axial direction (D1; D2), an engagement feature (40; 58) of the output rod (20) is pushed against the inclined surface (26; 54) of the locking element (30; 48) so as to wedge the brake portion (32; 50) of the locking element (30; 48) against the friction surface (26), limiting movement of the output rod (20) in the first axial direction (D1; D2).

A locking mechanism (3) for an actuator (1) is provided. The mechanism includes: a rotatable shaft (14) extending along a longitudinal axis (C-C), the shaft comprising a circumferential outer surface (18) and three or more surface features (20a-20f), wherein the three or more surface features are circumferentially spaced from each other; an outer casing (16) comprising an inner surface (56) circumferentially surrounding at least part of the shaft, wherein the outer casing is axially movable between a first axial position and a second axial position relative to the shaft; and three or more balls (32a-32f), wherein each of the three or more balls is received by a respective surface feature and axially retained within the respective surface feature. Each surface feature comprises: a first surface (22) extending from a first surface first end (24) on the circumferential outer surface to a first surface second end (26), wherein the first surface second end is radially inward of the first surface first end; and a contact surface (28) extending from a contact surface first end (30) on the circumferential outer surface to the first surface second end such that at least part of the contact surface extends at an acute angle to the first surface, wherein the contact surface first end is circumferentially spaced from the first surface. Each ball is motivated towards the first surface of the respective surface feature when the shaft rotates in a first direction. Each ball is motivated away from the first surface of the respective surface feature when the shaft rotates in a second, opposite direction. A radial distance of the inner surface from the longitudinal axis varies in the axial direction such that: when the outer casing is in the first axial position, the shaft is free to rotate in the first direction and in the second direction, and when the outer casing is in the second axial position, the shaft is free to rotate in the first direction and each of the balls are wedged between the inner surface of the outer casing and their respective contact features, resisting the rotation of the shaft in the second direction.

An aircraft control surface actuation system comprising a reducer and an aircraft control surface, the reducer comprising: a first piston with a first frontal area, the first piston configured to move the aircraft control surface; and a second piston with a second frontal area, the second piston configured for actuation by an actuator. The second piston is in hydraulic communication with the first piston, such that movement of the second piston causes movement of the first piston. The second frontal area is different to the first frontal area to provide a reduction ratio between the actuator and the aircraft control surface.