Abstract: A method, system, electronic device and storage medium for constructing locally convex feasible space are provided. The method includes acquiring a plurality of initial motion trajectory points, size information and surrounding obstacle information of a target vehicle; generating a quadtree map according to the above information; determining a target distance corresponding to each initial motion trajectory point according to the quadtree map; allocating locally convex feasible space to a first-type initial motion trajectory point by using the quadtree map, and allocating locally convex feasible space to a second-type initial motion trajectory point by using an improved convex feasible set algorithm. The first-type initial motion trajectory point is an initial motion trajectory point with the target distance greater than or equal to a set threshold; and the second-type initial motion trajectory point is an initial motion trajectory point with the target distance less than the set threshold.

Abstract: A method and system for decomposing cross-domain path planning of an amphibious vehicle.

Abstract: A photovoltaic power generation system and a conversion circuit. Two groups of photovoltaic arrays are cascaded by using the conversion circuit disposed in the photovoltaic power generation system to effectively increase an input voltage of a DC/AC conversion circuit. In this way, a cable with an existing diameter specification can improve current transmission in the photovoltaic power generation system, to effectively reduce costs of the photovoltaic power generation system. A voltage to earth at an intermediate node in the conversion circuit is adjusted to a first preset value, so that both an absolute value of a voltage to earth of a first group of photovoltaic arrays and an absolute value of a voltage to earth of a second group of photovoltaic arrays are less than a first threshold.

Abstract: The present disclosure provides a method and system for path planning of an unmanned vehicle in a three-dimensional terrain and relates to the technical field of path planning. The method includes building a random tree with an initial point of a to-be-planned path as a node; generating a random node based on a goal bias strategy and a multi-sampling strategy; determining a node in the random tree and with a minimum two-dimensional distance from the random node as a nearest node; determining a direction from the nearest node to the random node as an extension direction; determining a point corresponding to a preset step length as a to-be-determined node in the extension direction with the nearest node as a starting point; and updating the random tree or determining a path cut-off random tree through elevation detection and path search cut-off detection, so as to determine the to-be-planned path.

Abstract: Systems, methods, and other embodiments associated with handling secure interrupts between security zones are described. According to one embodiment, an apparatus includes a memory divided between a secure zone and a non-secure zone and storing a plurality of applications. The secure zone provides exclusive access to secure assets of the apparatus. A processor with an interface module configured to, in response to receiving an interrupt request from a requesting application that executes on the processor in the non-secure zone, tunnel the interrupt request into the secure zone of the processor. The non-secure zone and the secure zone are configured as operating environments of the processor with separate security controls. The processor includes a monitor module configured to issue the secure interrupt to a trusted application that is one of the plurality of applications in the secure zone, wherein the trusted application is registered to handle the secure interrupt.

Abstract: An auto-focus method for camera is provided. First, a digital signal processor sets a first parameter p and a second parameter q. An image capture unit captures an only image. Then, the digital signal processor utilizes the only image, the first parameter p and the second parameter q to compute an object distance. Then, an optical focusing device utilizes the object distance to regulate a focal position. Therefore, the present invention substantially shortens the time for regulating the focal position.

Abstract: An auto-focus method for camera is provided. First, a digital signal processor sets a first parameter p and a second parameter q. An image capture unit captures an only image. Then, the digital signal processor utilizes the only image, the first parameter p and the second parameter q to compute an object distance. Then, an optical focusing device utilizes the object distance to regulate a focal position. Therefore, the present invention substantially shortens the time for regulating the focal position.