259results about How to "Few constraints" patented technology

A non-hybrid pyrotechnic filterless inflator, i.e., gas generator, for an automotive passive restraint air bag having a generally discoidally-shaped pressure vessel having a diameter that preferably is greater than or about equal to its height formed of a cup-shaped closure cap and a base member and having at least one exhaust nozzle for directing gaseous products out of the inflator and into the air bag. The pressure vessel contains two separated and independently initiated initiator assemblies. By initiating either one or both initiator assemblies, the inflator can generate a modulated gas output between a first minimum output level and a second maximum output level in response to passenger and driver conditions.

A compact fan motor including a motor body having a tubular case accommodating a rotor, a permanent magnet, and brushes, and a pair of spring terminals that are connected to the brushes, sticks out from a peripheral wall of the tubular case, and has elasticity in a direction perpendicular to an axis of rotation of a shaft; an impeller fixed to the shaft sticking out from a front end of the tubular case; a holder having a case accommodating portion that is provided in a housing accommodating the motor body and impeller and has an inner wall surface extending in the direction of the axis of rotation of the shaft, and a motor body insertion opening provided at an edge of the case accommodating portion; and a pair of conductors provided on the inner wall surface of the holder while contacting with the spring terminals.

A method and a computer system are provided for installing a first software component into a computing environment, the computing environment comprising an already installed second software component. The method involves aborting the installation if the first and second software components have matching component identifiers and a current-version identifier of the first software component signifies an earlier version than an earliest-compatible-version identifier of the second software component.

The invention discloses a sublevel shrinkage caving stage open afterwards filling mining method. In the earlier stage of stoping, caved ores are utilized to support surrounding rocks on a top tray, and in the later stage of stoping, a goaf area is filled with fillers to control ground pressure so as to achieve safe and efficient mining. Ore blocks are mined in two steps, mining blocks in step two are stoped after the mining blocks in step one are stoped and filled. After the ores are completely let out, the goaf area is filled with the fillers to control the ground pressure. Because the stoping modes of sublevel ore caving, sublevel shrinkage, final ore drawing and empty area afterwards filling are adopted, the mining method has large one-time filling amount and low cost; the method adopts middle-deep hole drilling and blasting and carry scraper ore removal, and the device has high level and large production capacity; the method has the advantages of large production capacity of the sublevel caving method and the stage open stope method, high recovery rate of the filling method, and earth surface protection; the safety is good, and drilling, ore removal and other operations are all carried out in a sublevel drilling and ore removal approach roadway; and the ores can be removed in advance, and the ores can be removed partially after the first sublevel is ready.

The present invention is directed to an adjustable bra having first and second bra cups; one or more adjustable back bands connected to the respective bra cups; first and second detachable shoulder straps connected at one end to the respective bra cups and connected at the other end to the adjustable back band or bands; a removable or non-removable underwire in each bra cup that is shorter in length than standard underwire; and a plurality of shoulder strap fastener receiving elements incorporated along an entire length of the back band or bands, wherein the shoulder strap fastener receiving elements are adapted to receive and attach the first and second shoulder straps anywhere along the entire length of the back band or bands, including to both single and double layer back bands to enable a wearer to adjust the fit and comfort of the bra to a wearer's breast size and dimension.

According to a first aspect of the invention, there is provided a method for operating a multicopter experiencing a failure during flight, the multicopter comprising a body, and at least four effectors attached to the body, each operable to produce both a torque and a thrust force which can cause the multicopter to fly when not experiencing said failure. The method may comprise the step of identifying a failure wherein the failure affects the torque and / or thrust force produced by an effector, and in response to identifying a failure carrying out the following steps, (1) computing an estimate of the orientation of a primary axis of said body with respect to a predefined reference frame, wherein said primary axis is an axis about which said multicopter rotates when flying, (2) computing an estimate of the angular velocity of said multicopter, (3) controlling one or more of said at least four effectors based on said estimate of the orientation of the primary axis of said body with respect to said predefined reference frame and said estimate of the angular velocity of the multicopter. The step of controlling one or more of said at least four effectors may be performed such that (a) said one or more effectors collectively produce a torque along said primary axis and a torque perpendicular to said primary axis, wherein (i) the torque along said primary axis causes said multicopter to rotate about said primary axis, and (ii) the torque perpendicular to said primary axis causes said multicopter to move such that the orientation of said primary axis converges to a target orientation with respect to said predefined reference frame, and (b) such that said one or more effectors individually produce a thrust force along said primary axis.

A power generation system includes a renewable power source for producing source power; a source side converter for converting the source power to converted DC power; a source side controller for driving the converted DC power towards a maximum power point; a DC link for receiving the converted DC power; a grid side converter coupled to the DC link for converting DC link power from the DC link to AC output power for a grid; a grid side controller for controlling the AC output power of the grid side converter to achieve grid interconnection requirements; an electrical energy storage device; an energy storage converter coupling the energy storage device to the DC link; an energy storage controller for controlling the energy storage converter to achieve a desired power balance on the DC link.

The invention discloses a car sharing management method and system compatible with private cars. The system comprises a client side, a car-mounted terminal and a server which are connected through the Internet. Car owners preset the car using time frame of their own, the time beyond the car using time frame is for car sharing, a user checks idle cars, selects the car model, conducts online payment through the client side, takes the selected car for use within the time frame of an order, returns the car after car using and sends car using information through the car-mounted terminal, and the server calculates mileage cost according to specific data of car using and judges whether overtime car using occurs, and overtime cost needs to be charged if yes. According to the car sharing management method and system, based on time sharing of cars which belong to a company and have exclusive functions, private cars are absorbed in car sharing in a trusteeship mode, mode division is conducted on car traveling distance with technological means, and time sharing of cars is realized in the true sense.

When apparatuses controllable via a network exist inside and outside a user's visual range, a user remotely controls at least one of the apparatuses via the network using a predetermined control point in a remote control system. The remote control system includes the following: a mechanism that causes the control point to transmit a command for specifying an apparatus to be controlled via the network to an apparatus to be specified in accordance with a user's apparatus specifying operation; and a mechanism that causes the apparatus that has received the command for specifying an apparatus to be controlled to transmit a response via the network to the control point as well as to perform an operation using a device attached to the body of the apparatus in response to the command.

A remote control system for a user to operate at least one device using a remote controller includes device specification means for specifying a device located in front of the user who is holding the remote controller via a first communication medium under a constraint on at least one of directivity and a transmittable distance, and remote control means for transmitting a remote control request from the remote controller to the specified device via a second communication medium under less constraint on the directivity and the transmittable distance in accordance with an instruction input from the user.

The invention relates to personal communications devices and casings for such devices. The casing for a portable communications device comprises at least a front face having edge portions, a housing element having a portion that extends over the edge portions of the front face, the housing element being fixed in a position such that the portion of the housing element overlying the edge portions of the front face and the front face are pressed together so as to hold them firmly with respect to each other.

According to a first aspect of the invention, there is provided a method for operating a multicopter experiencing a failure during flight, the multicopter comprising a body, and at least four effectors attached to the body, each operable to produce both a torque and a thrust force which can cause the multicopter to fly when not experiencing said failure. The method may comprise the step of identifying a failure wherein the failure affects the torque and / or thrust force produced by an effector, and in response to identifying a failure carrying out the following steps, (1) computing an estimate of the orientation of a primary axis of said body with respect to a predefined reference frame, wherein said primary axis is an axis about which said multicopter rotates when flying, (2) computing an estimate of the angular velocity of said multicopter, (3) controlling one or more of said at least four effectors based on said estimate of the orientation of the primary axis of said body with respect to said predefined reference frame and said estimate of the angular velocity of the multicopter. The step of controlling one or more of said at least four effectors may be performed such that (a) said one or more effectors collectively produce a torque along said primary axis and a torque perpendicular to said primary axis, wherein (i) the torque along said primary axis causes said multicopter to rotate about said primary axis, and (ii) the torque perpendicular to said primary axis causes said multicopter to move such that the orientation of said primary axis converges to a target orientation with respect to said predefined reference frame, and (b) such that said one or more effectors individually produce a thrust force along said primary axis.

This invention concerns improvements relating to a deformable-mirror holder for holding a mirror in a desired position, to within accepted tolerances, even whilst the mirror is deforming or in a deformed state. More particularly but not exclusively, this invention relates to a holder for a bimorph mirror. A deformable mirror holder (31) is provided comprising a body with a receiving portion for receiving a deformable mirror (30), and wherein the receiving portion is defined by a passive flexible support structure (41) such that, in use, to the support structure provides a supporting surface to the mirror. This invention extends to a deformable mirror and a deformable mirror holder as described above.

The invention relates to a video-based method for tracking human body limb movement which only tracks the limb movement of a single walking person; the method has the following operation steps: (1) initialization: a human body image is divided into 10 parts and 15 articulation points are used to describe the positions of the 10 parts in the image, so that the positions of the 10 articulation points in each image are confirmed to realize tracking of human body limb movement; (2) prediction: a numerical value of a posture vector RA responding to the current image is predicted only by predicting the numerical value of the posture vector RA of the previous frame, so that tacking of human body limb movement can be realized. In the method of the invention, a camera is only needed; in addition, two cases of edge sampling and internal sampling are both taken into account when weight of particles is calculated, so that the method has the advantages of less restrictions, no need of camera calibration, simple application, accurate pose recovery and the like.

The invention discloses a method for manufacturing electric equipment through combination of 3D printing and a traditional manufacturing technology and a purpose of the method. Firstly, a three-dimensional CAD model of parts is generated in a computer; then, the model is sliced into layers according to a certain thickness, three-dimensional information of the parts are converted into a series of two-dimensional contour information, and metal is molten through a crucible, and formed molten drops flow out of a nozzle; then, under control of the computer, the molten drops are stacked layer by layer according to the two-dimensional contour information, and three-dimensional solid parts or similar-shape parts are obtained. By means of the method, all designs are achieved in the computer, the actual manufacturing process is carried out under the control of the computer, the advantages of digital, intelligent and paperless manufacturing are really achieved, a complex three-dimensional structure can be directly formed, constraint conditions in the part design and manufacturing processes in the traditional technology are reduced, and the method is a new development direction in the constraint-free forming technology.

A rectal drainage appliance is disclosed comprising a tubular element having an inflatable balloon at a distal end for anchoring the appliance in the rectum. The appliance includes one or more of: (i) first and second auxiliary lumens communicating with the inflatable balloon to provide independent inflation and pressure monitoring paths coupled to the balloon; (ii) a pressure state indicator defined by a mechanical element configured to flip between first and second states or shapes responsive to sensed pressure; and (iii) a collapsible auxiliary lumen larger than the inflation lumen, and configured to permit admission of irrigation fluid. The pressure state indicator may also be used in intestinal drains.

A temperature sensor plausibility diagnosis unit performs plausibility diagnosis of a temperature sensor disposed inside a storage tank in an exhaust purification apparatus of an internal combustion engine that delivers an additive inside the storage tank to an exhaust pipe upstream of a reduction catalyst and selectively reduces and purifies NOx in the exhaust. The temperature sensor plausibility diagnosis unit includes an additive heat capacity calculating portion that calculates the heat capacity of the additive, a heat quantity variation calculating portion that calculates an increase or decrease in the quantity of heat that the additive receives, and a plausibility diagnosing portion that determines the plausibility of the temperature sensor by comparing an estimated temperature course of the additive estimated from the heat capacity of the additive and the increase or decrease in the quantity of heat with a sensor temperature course of the additive detected by the temperature sensor.

The invention discloses a self-adaptive pre-segmentation method based on a gray scale and a gradient of an image and a gray scale statistic histogram. A threshold value sequence for image segmentation is self-adaptively generated according to the gray scale and gradient information of an image and the self gray scale statistic histogram information of the image, the continuous gray scale image is converted into a discrete gray scale image to realize the pre-segmentation of the image so as to facilitate the following image segmentation. The invention has less constraint condition, wide application range, low algorithm complexity, simple realization and high calculating speed.

The invention relates to an architecture exterior-protected construction heat transfer rate on-site detection method which comprises: attaching heat flow meter and temperature sensor, connecting heat flow meter, temperature sensor and temperature heat flow automatic patrol testing equipment by transmission line, attaching automatic temperature-controller with the inner wall which has heat flow meter and temperature sensor, adjusting automatic temperature-controller, automatically reading storage measuring value, computing architecture exterior-protected construction heat transfer rate. It uses differential temperature measured by temperature sensor and electromotance E outputted by heat flow meter to reflect heat flow density. It uses formula to compute heat transfer rate K.

The invention belongs to the technical field of safety communication, and discloses a controlled quantum safe and direct communication method and system for preventing tampering. A receiving end is controlled to obtain secret information of a sending end, and the sending end sends SC* to a control end; the control end disorganizes photons in SC*; then the control end sends rearranged SC* to the receiving end; if the control end does not tell the accurate sequence of the photons to the receiving end, the receiving end cannot resume SC and decrypt the secret information; the control end cannot know the secret information encrypted through K(k1, k2, ..., kN). The premise that a controller is honest is not needed; even under the condition that the controller is dishonest, the proposed protocolis still safe, and any tampering of the secret information can be easily found. By means of the controlled quantum safe direct communication method and system for preventing tampering, attack of fakephotons based on quantum teleportation can be resisted, and meanwhile, identities of two participants, namely, the sender and the receiver, can also be verified.

A wrist worn device having a main body portion and a strap portion. The main body portion comprises a housing for housing a processor, communication circuitry, a screen and tin antenna. The strap portion comprises a strap for attaching the main body portion to a wrist. The housing comprises a central portion that supports the screen and edge portions arranged around the central portion, one of the portions comprising a non-conductive section on an outer surface of said wrist worn device facing away from said wrist when worn; wherein the antenna is supported within the housing in the one of the edge portions comprising the non-conductive section, such that there is an electromagnetic wave path from the antenna to the outer surface through at least a portion of the non-conductive section wherein a portion of the strip overlays the antenna and a portion of the non-conductive section at the outer surface, the portion of the snap comprising a non-conductive portion.

The invention discloses a compound nanofiber lithium battery diaphragm and a preparation method thereof. The compound nanofiber lithium battery diaphragm is characterized in that the compound nanofiber lithium battery diaphragm structurally comprises an upper layer nanofiber diaphragm layer, a middle layer nanocellulose gel layer and a lower layer nanofiber diaphragm layer, and the compound battery diaphragm containing the three-layer structure is prepared by utilizing an electrostatic spinning method and a sol-gel combination method. The preparation method of the compound nanofiber lithium battery diaphragm comprises the following steps: step (1), preparing nanocellulose suspension liquid; step (2), preparing a polymer electrostatic spinning solution; step (3), performing electrostatic spinning; step (4), enabling the lower layer nanofiber diaphragm layer prepared in the step (3) to be infiltrated by acid liquor of which the pH is 3 to 6; step (5), preparing the middle layer nanocellulose gel layer; step (6), preparing the upper layer nanofiber diaphragm layer. The prepared three-layer-structure compound nanofiber lithium battery diaphragm final product is the compound battery diaphragm.

A compact fan motor including a motor body having a tubular case accommodating a rotor, a permanent magnet, and brushes, and a pair of spring terminals that are connected to the brushes, sticks out from a peripheral wall of the tubular case, and has elasticity in a direction perpendicular to an axis of rotation of a shaft; an impeller fixed to the shaft sticking out from a front end of the tubular case; a holder having a case accommodating portion that is provided in a housing accommodating the motor body and impeller and has an inner wall surface extending in the direction of the axis of rotation of the shaft, and a motor body insertion opening provided at an edge of the case accommodating portion; and a pair of conductors provided on the inner wall surface of the holder while contacting with the spring terminals.

The invention discloses a formwork system of shear walls at two sides of an extensible seam. The formwork system of the shear walls at the two sides of the extensible seam comprises two sets of wall body pouring formworks arranged symmetrically with the extensible seam as a symmetric axis, side face fastening steel tubes and end portion fastening steel tubes, wherein, the side face fastening steel tubes and the end portion fastening steel tubes are used for fixing the wall body pouring formworks. Each set of the wall body pouring formwork is respectively enclosed by an outer side formwork, an inner side formwork and an end portion formwork. A support block is respectively arranged between the outer side formwork and the inner side formwork in each set of the wall body pouring formwork and each outer side formwork and each inner side formwork are fastened through each transverse fastening steel tube, each side face fastening steel tube and a split bolt. Each end portion formwork is pressed on each outer side formwork and each inner side formwork through the end portion fastening steel tubes, bolt rods and match of end portion movable nuts on the bolt rods. According to the formwork system of the shear walls at the two sides of the extensible seam, the formworks at the two sides of the extensible seam can be erected by once in a narrow space, construction period is greatly shortened, engineering cost is reduced, and the formwork system is not limited by the size of the extensible seam and particularly applicable to the condition that the extensible seam is small.

The method includes steps: based on address of gateway to be discovered to obtain current active IP address corresponding to the gateway, sorting IP addresses according to sub networks; determining types of devices corresponding to IP addresses in current sub networks to find out exchangers in current sub network, grouping exchangers in current sub network according to each port of exchanger; determining root exchanger related to gateway to be discovered, and using structure of tree type graph to save relation of connection between the root exchanger and the gateway to be discovered; determining and saving topology positions of other exchangers in current sub network, and converting topology positions in tree type graph to tree structure. The technical scheme disclosed in the invention is not dependent on protocol of spanning tree. Features are: less constraint condition of initial request, quick speed, and saving space occupied.

During garbage collection, writes to objects being copied (relocated) are monitored (tracked) using a write barrier that uses a thread-local write barrier buffer. In the preferred embodiment, soft synchronization is used for reading the thread-local write barrier buffers. In response to detecting a write to an object, the object may be re-copied, the copying may be made to fail, the write may be propagated to another copy of the object, or, e.g., another node in a distributed system may be notified of the write.

A gear-shifting structure is provided for a vehicle. The vehicle includes a transmission box that contains therein a gear train, a clutch, a switching fork, a gear-shifting hub, and a motor. The motor cooperates with a worm shaft to actuate the clutching operation of the clutch and to cause movement of the gear-shifting hub in order to carry out the gear shifting operation. The motor has a rotary member that drives the worm shaft on which a worm and a cam are mounted. To effect gear shifting, the motor drives the worm shaft to have the cam abut and displace the clutch and at the same time, the worm drives the gear-shifting hub to thus realize the operation of gear shifting.