46results about How to "Avoid severe distortion" patented technology

A knotless tissue repair assembly for attachment of tissue to bone includes an anchoring implant with a length of suture threaded therethrough. The implant is preferably a soft flexible three-dimensional structure. The implant may be actuated from a first elongate low profile shape into a second short radially expanded shape having a larger diameter than the hole through which it was placed. The suture extends through the anchor, through a tissue to be secured, and back through a designated suture-binding region or passageway within the anchor enabling the suture to be secured therein and without the need for a physician to tie a knot. Further tension applied to a suture leg approximates the tissue to the anchor until a desired tension or distance between the tissue and anchor is achieved.

A method and special apparatus for excavating the concealed grotto in solid model experiment is disclosed. The axis marker shifted along with the preburied instrument is created in an absolute coordinate system. A locating method with three-stage transfer is used to convert the absolute locating system in absolute coordinate system to relative locating system. A special apparatus is desinged for excavation. Its advantages are eliminating the position error between concealed grotto and preburied instrument to maximum, and low cost.

The invention relates to a method of preprocessing bobbin made in a spinning machine to be rewound in an automatic cross-wound machine. Herein, the yarn preprocessing device comprises a yarn start station for starting a yarn and a yarn taking station for taking and setting the yarn at a preprocessing position. Activating mechanism for activating the bobbin to rotate around the longitudinal axle is provided at the yarn starting station and the yarn taking station respectively. The yarn taking station has a sensor for detecting taking the yarn successfully. According to the invention the number of revolution of each bobbin (16) is counted and reported to the controller (15) before the sensor (17) detects the yarn is taken successfully in the yarn taking station (12). An average value (MW) of bobbins (16) average revolutions in the yarn taking station (12) is calculated in the controller (15), and the top number of revolution is adjusted referring to MV. The subsequent bobbin (16)in the yarn taking station (12) will rotate with the top number of revolution when the yarn is not taken in successfully.

The invention provides a VSG low-voltage ride-through control method based on a power grid imbalance fault. The method comprises the following steps: when an unbalanced drop fault occurs in a power grid, performing inverter positive and negative sequence double-current control based on a preset unbalanced fault control strategy to obtain a positive sequence current and a negative sequence currentwhich need to be output for normal grid-connected operation of an inverter VSG system, and superposing the positive sequence current and negative sequence current signals to obtain a modulation signal. According to the technical scheme provided by the invention, a positive-sequence current controller and a negative-sequence current controller are adopted for the unbalanced drop fault of the powergrid, positive-sequence current reactive compensation control is added while the negative-sequence current is suppressed, and the low-voltage ride-through fault is realized while the normal operationof the inverter is ensured.

Embodiments herein include a replica communication path and monitor circuit to provide increased common mode transient immunity. As its name suggests, the monitor circuit monitors the replica communication path and produces an adjustment signal (common mode transient adjustment signal) to cancel presence of a common mode transient signal in one or more other communication paths conveying data signals.

The invention discloses an image processing method and electronic equipment. The method comprises: collection is carried out to obtain initial image information at least including target object image information; whether the initial image information meets a first preset condition is determined, wherein the first preset condition represents that the initial image information is image information obtained by collection based on a first preset angle; and if so, the initial image information is adjusted, so that a proportion between at least two target areas in the target object image information meets a proportion threshold value.

Embodiments herein include a replica communication path and monitor circuit to provide increased common mode transient immunity. As its name suggests, the monitor circuit monitors the replica communication path and produces an adjustment signal (common mode transient adjustment signal) to cancel presence of a common mode transient signal in one or more other communication paths conveying data signals.

The invention discloses a multi-fulcrum hooking superlift device and a crane. The multi-fulcrum hooking superlift device comprises a first superlift mast, a second superlift winch, a second superlift mast, a superlift expansion oil cylinder, a superlift fixing point, a third superlift mast, a first superlift winch, a superlift derricking cylinder, a basic boom, a fixed block, a first wire rope hanging point, a boom support, a second wire rope hanging point, a first wire rope and a second wire rope. The position-adjustable wire rope hanging points are additionally arranged on the boom support and work together with the first superlift winch to tighten the added second wire rope, the positions of the first wire rope hanging point and the second wire rope hanging point are reasonably arranged, and two traction forces act together on the boom support after the wire ropes are tightened to enable the whole boom support to be reasonably stressed, so that deflection caused during hoisting of the boom support is greatly reduced, the rigidity of the boom support is improved, severe torsional deformation caused by unreasonable stress of the boom support is effectively avoided to a certain extent, and accordingly, the product performance is improved.