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616results about How to "Not easily affected" patented technology

Super-redundant flexible mechanical arm based on rope driving

The invention discloses a super-redundant flexible mechanical arm based on rope driving. The super-redundant flexible mechanical arm comprises a driving module, a mechanical arm module and a plurality of driving ropes; the mechanical arm module comprises a plurality of joints in serial connection, the adjacent joints are connected through cross and perpendicular rotating shafts arranged between the adjacent joints, and at least three driving ropes are fixedly connected to any joint; the driving ropes can be driven by the driving module to move independently; and the driving ropes arranged on the same joint are arranged in a manner that the joint can be pulled by the driving ropes to rotate around the rotating shafts relative to the adjacent joints. According to the super-redundant flexible mechanical arm, all joints can be adjusted independently and controlled more accurately, the weight of the joints is greatly reduced, the bearing capacity of the mechanical arm is further improved, and the high-speed movement and the quick response of the mechanical arm are achieved. Meanwhile, the distributing work of electric lines is removed, the mechanical arm is only composed of mechanical structures and is not prone to being affected by severe environments, the service life is prolonged, and the mechanical arm is convenient to disassembly, maintain and assemble.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Calibration method for interleaving an A/D converter

A method and low cost apparatus to accurately determine the gain, offset, and / or skew calibration values of each A / D converter in a few steps for an interleaving A / D converter. The calibration method includes: applying sine waves to the input as a calibration signal during calibration, A / D converting of the sine wave by a plurality of A / D conversion means in a predetermined order and storing the converted data in a data storage memory, and determining the gain, offset, and / or skew calibration values by using sine curve fitting on a sequence of converted data for each of the plurality of A / D conversion means.
Owner:ADVANTEST CORP

Biodegradable material and process for producing the same

A biodegradable aliphatic polyester, such as polylactic acid, is mixed with a monomer having allyl and molded into a molding having the crosslinking degree of the biodegradable aliphatic polyester increased. Thereafter, the molding is exposed to ionizing radiation to thereby obtain a molding excelling in heat resistance. Triallyl isocyanurate or triallyl cyanurate is used as the monomer having allyl.
Owner:JAPAN ATOM ENERGY RES INST +1

Submarine locating method based on spatial gradient of magnetic field at two detection locations

The invention proposes a submarine locating method based on the spatial gradient of a magnetic field at two detection locations, and belongs to the fields of long-range submarine detection and magnetic dipole locating. The method includes the steps of first, forming a magnetic anomaly detection array using a plurality of single-axis vector magnetometers; measuring, by using the magnetic anomaly detection array, the magnetic field respectively at an initial detection location and a second detection location reached through a preset path, and obtaining a gradient tensor matrix and all the independent components thereof of a submarine additional magnetic field at each of the two detection locations; and according to an expression of the gradient tensor of the submarine additional magnetic field, substituting all the independent components of the gradient tensor matrix of the submarine additional magnetic field at each of the two detection locations to obtain and solve a locating equation, finally obtaining location information of the submarine and completing locating. The method can locate the submarine remotely in the background of a changing geomagnetic field, avoids the influence of diurnal variation in the geomagnetic field, and has high locating accuracy.
Owner:TSINGHUA UNIV

Display device and electronic device

A display device having fewer alignment defects is provided. A display device having a high aperture ratio and including a capacitor with increased charge capacity is provided. A display device having a high aperture ratio, including a capacitor with large charge capacity, and having fewer alignment defects is provided. The display device includes a pixel electrode, a transistor including a light-transmitting semiconductor layer connected to the pixel electrode, and a capacitor, a scan line, and a data line connected to the transistor. The transistor is arranged to overlap with the scan line. One of electrodes of the capacitor is formed on the same surface where the semiconductor layer is formed, and is formed in a region divided by the scan lines and the data lines. The other of the electrodes of the capacitor is a pixel electrode. The pixel electrode extends so as to intersect with the scan line.
Owner:SEMICON ENERGY LAB CO LTD

Motor rotating direction and rotating speed detection device and method

The embodiment of the invention discloses a motor rotating direction and rotating speed detection device, which is used for solving the problems that a traditional measurement device is always affected by an external electromagnetic environment, measurement results are inaccurate and an application environment is restricted. The method of the embodiment of the invention comprises a tested motor, a coded disc, a photoelectric sensor, a shaping filtering circuit and a processor, wherein the coded disc is installed on the rotor of the tested motor, and therefore, the coded disc is driven by the tested motor to synchronously rotate; the coded disc is divided into N areas by taking a center as a base point, wherein the N areas are successively arranged according to transparency, and N is greater than or equal to 3; the transmitting terminal and the receiving terminal of the photoelectric sensor are oppositely arranged, a light path between the transmitting terminal and the receiving terminal of the photoelectric sensor passes through the coded disc; the photoelectric sensor, the shaping filtering circuit and the processor are successively electrically connected. The embodiment of the invention also provides a motor rotating direction and rotating speed detection method.
Owner:GRG BAKING EQUIP CO LTD
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