Abstract: An intelligent course planning method and controller for unmanned surface vehicle are provided, an overall optimization from starting point to end point of course deflection angle is achieved based on an optimization principle of approximate dynamic programming; an optimization of minimization of the course deflection angle and a control signal is achieved based on a quadratic form cost function and a performance index by designing a virtual radial basis function neural network and a least square method, a target course expression is obtained, and a stability and a degree of convergence are ensured through a positive-definite constraint of the Hessian matrix of the performance index. Compared with the related art, an overshoot of course deflection and the control signal is reduced, an optimization of flight and steering energy consumption is achieved, and completely data-driven for intelligent course planning for unmanned surface vehicle and a high-accuracy feedback adjustment are achieved.

Abstract: An intelligent course planning method and controller for unmanned surface vehicle are provided, an overall optimization from starting point to end point of course deflection angle is achieved based on an optimization principle of approximate dynamic programming; an optimization of minimization of the course deflection angle and a control signal is achieved based on a quadratic form cost function and a performance index by designing a virtual radial basis function neural network and a least square method, a target course expression is obtained, and a stability and a degree of convergence are ensured through a positive-definite constraint of the Hessian matrix of the performance index. Compared with the related art, an overshoot of course deflection and the control signal is reduced, an optimization of flight and steering energy consumption is achieved, and completely data-driven for intelligent course planning for unmanned surface vehicle and a high- accuracy feedback adjustment are achieved.

Abstract: Disclosed in the embodiments of the present disclosure are a data processing method and apparatus, and an electronic device. A specific implementation of the method comprises: determining a target first storage region from among a preset number of first storage regions; on the basis of a interaction process with a second device, determining identical target identification information comprised in the target first storage region and a target second storage region, and determining whether the interaction process meets a target requirement; and in response to the interaction process meeting the target requirement, storing target first data identified by the target identification information, so that the second device stores target second data identified by the target identification information. Thus, the target first data and the target second data identified by the same target identification information in the target first storage region and the target second storage region are aligned.

Abstract: Provided is a pressure guide wire, including a proximal portion (1), an intermediate portion (2) and a distal portion (12), the intermediate portion (2) is composed of one or more woven layers, wherein each woven layer includes a plurality of woven wires, the distal portion (12) includes a sensor housing (4) that holds a pressure sensor (5) and a head end assembly (11), the head end assembly (11) includes a developing spring (9) and a head end core wire (11) nested within the developing spring (9). The pressure guide wire having such a structure has good flexibility and supportability, meanwhile, the cost of the pressure guide wire can be reduced due to the low cost of the woven wire and the weaving process.

Abstract: A blood flow environment simulation device is disclosed, including: a liquid reservoir (1) for storing liquid; a vascular simulation tube (4); a pump (2) for pumping liquid; a plurality of circulation tubes (7, 11, 12), which form a liquid circulation path together with the vascular simulation tube; and a valve (6) located in the circulation path, having a valve inlet (17) and a valve outlet (18), wherein the area of the valve inlet (17) is variable to change the dynamic parameters of the fluid in the vascular simulation tube (4) over time. The present disclosure also relates to medical equipment that includes a blood flow environment simulation device as described.

Abstract: Provided are a method for processing model parameters, and an apparatus. The method comprises: a model parameter set to be sharded is obtained, wherein the model parameter set comprises a multi-dimensional array corresponding to a feature embedding; attribute information for a storage system used for storing the model parameter set to be sharded is obtained, wherein the storage system used for storing the model parameter set to be sharded differs from a system on which a model corresponding to the model parameter set to be sharded is located when operating; the model parameter set to be sharded is stored in the storage system according to the attribute information.

Abstract: Provided are a method for processing model parameters, and an apparatus. The method comprises: a model parameter set to be sharded is obtained, wherein the model parameter set comprises a multi-dimensional array corresponding to a feature embedding; attribute information for a storage system used for storing the model parameter set to be sharded is obtained, wherein the storage system used for storing the model parameter set to be sharded differs from a system on which a model corresponding to the model parameter set to be sharded is located when operating; the model parameter set to be sharded is stored in the storage system according to the attribute information.

Abstract: Provided are a method and an apparatus for generating prediction information, an electronic device, and a computer readable medium. The method includes: generating, based on first user characteristic information of a target user, anonymous user information of the target user (201); sending the anonymous user information to a second processing end to enable the second processing end to generate prediction information based on the anonymous user information and second user characteristic information (202) of the target user. Data interaction and sharing are realized while ensuring data privacy, thereby improving accuracy of the prediction information.

Abstract: Disclosed are a Fabry-Perot sensor and a method for manufacturing the same. A Fabry-Perot sensor including: a base part; a cavity formed between the base part and a pressure-sensitive film, and enclosed by the base part and the pressure-sensitive film; the pressure-sensitive film, fixed to the base part, wherein the pressure-sensitive film has one or more localised areas, each localised area has a doping substance doped into a base material of the pressure-sensitive film to produce stress, no localised area penetrates the entire thickness of the pressure-sensitive film, and under the effect of stress, the pressure-sensitive film has a corrugated structure; an optic fibre used for conducting a light signal, one end part of the optic fibre being fixed to an optic fibre mounting part of the base part, and the optic fibre mounting part being located at an end part of the base part opposite the cavity.

Abstract: A blood flow environment simulation device is disclosed, including: a liquid reservoir (1) for storing liquid; a vascular simulation tube (4); a pump (2) for pumping liquid; a plurality of circulation tubes (7, 11, 12), which form a liquid circulation path together with the vascular simulation tube; and a valve (6) located in the circulation path, having a valve inlet (17) and a valve outlet (18), wherein the area of the valve inlet (17) is variable to change the dynamic parameters of the fluid in the vascular simulation tube (4) over time. The present disclosure also relates to medical equipment that includes a blood flow environment simulation device as described.

Abstract: Provided is a pressure guide wire, including a proximal portion (1), an intermediate portion (2) and a distal portion (12), the intermediate portion (2) is composed of one or more woven layers, wherein each woven layer includes a plurality of woven wires, the distal portion (12) includes a sensor housing (4) that holds a pressure sensor (5) and a head end assembly (11), the head end assembly (11) includes a developing spring (9) and a head end core wire (11) nested within the developing spring (9). The pressure guide wire having such a structure has good flexibility and supportability, meanwhile, the cost of the pressure guide wire can be reduced due to the low cost of the woven wire and the weaving process.

Abstract: Disclosed are a Fabry-Perot sensor and a method for manufacturing the same. A Fabry-Perot sensor including: a base part; a cavity formed between the base part and a pressure-sensitive film, and enclosed by the base part and the pressure-sensitive film; the pressure-sensitive film, fixed to the base part, wherein the pressure-sensitive film has one or more localised areas, each localised area has a doping substance doped into a base material of the pressure-sensitive film to produce stress, no localised area penetrates the entire thickness of the pressure-sensitive film, and under the effect of stress, the pressure-sensitive film has a corrugated structure; an optic fibre used for conducting a light signal, one end part of the optic fibre being fixed to an optic fibre mounting part of the base part, and the optic fibre mounting part being located at an end part of the base part opposite the cavity.