41results about How to "Fast dynamic adjustment" patented technology

A flow battery testing platform comprises a testing area (10), a battery (40) to be tested being disposed in the testing area (10); an electric control area (20), comprising a control system (21), a power and load system (22) and a manual debugging panel (23), the control system (21) being electrically or wirelessly connected with the power and load system (22), the control system (21) being electrically or wirelessly connected with the manual debugging panel (23), and the power and load system (22) being electrically or wirelessly connected with the testing area (10); and a chemical system area (30), comprising an electrolyte cycling system, the chemical system area (30) being electrically or wirelessly connected with the electric control area (20), and the electrolyte cycling system being communicated with the testing area (10) through a pipeline (50). A hardware system of the flow battery testing platform is designed in a sectional way according to functions, which is convenient for modular machining and mounting, so that the integral structure is compact and neat, the operation is convenient and the relationships between a structure parameter and an electrolyte-related parameter of a vanadium battery stack and performance of the vanadium battery can be detected more accurately.

The invention belongs to the field of injection molds, and discloses a geometric moldability analysis method of plastic parts based on a UGNX system. The method includes the following steps that (a) simplification of a three-dimensional entity model is achieved to obtain a simplified model; (b) convex hulls of the model simplified through a wrap geometry method are adopted, and a plurality of potential undercut feature faces are obtained; (c) the potential undercut feature faces are divided into a plurality of potential undercut features according to the connection relationship, visual de-molding analysis is conducted on the potential undercut features so as to obtain the de-molding directions corresponding to the potential undercut features and undercut features, and therefore, the several de-molding directions and the undercut features corresponding to the de-molding directions are obtained; (d), the optimal de-molding direction is selected, and according to the de-molding direction,the draft angle of each face of the simplified model is determined. Through the method, a geometric moldability analysis system of the plastic parts is provided, and dependence on the design engineer's experience is reduced.

A device for generating an alternating radio-frequency electromagnetic field in a working area includes an applicator emitting the electromagnetic field, an oscillator providing an alternate voltage and electric current having a predetermined value and a predetermined frequency to the applicator, a power supply supplying a substantially DC voltage to the oscillator, and a control system controlling the electrical parameters of the AC voltage, the AC current and / or the frequency provided to the applicator by the oscillator. The control system includes an input port connected to the electric power network, a first electronic control circuit connected to the input port and substantially instantaneously varying the electrical parameters and instantaneous control of the field emission power, and a second electronic control circuit regulating the operation of the oscillator. The first electronic circuit has an output connected to the power supply. A plant includes the device and a control method for the device.

The invention discloses an unbalanced voltage adjustment system and method based on a flexible current source, comprising a three-phase unbalanced adjustment device and a flexible current source; The current and gear information of the arc suppression coil, the three-phase unbalance adjustment device calculates the adjustment current by measuring the current and gear information before and after the adjustment of the arc suppression coil, and sends a control signal to the flexible current source through the output terminal; the flexible current source receives The control signal outputs a specific current vector. The invention controls the unbalanced neutral point voltage to ground to zero, which can reduce the problem of excessive grounding short-circuit current caused by excessive compensation of the arc suppression coil caused by the unbalanced three-phase voltage, and greatly improve the reliability of the power grid. sex and safety. In the adjustment process, the arc-suppression coil is used to adjust the gear to change the current of the arc-suppression coil, which has a very low impact on the operation of the power grid.

The invention discloses a variable-constitutable compound eye system and a working method, which include a plurality of sequentially connected body segments, the body segment includes an airbag and an airbag bracket, the airbag bracket is arranged outside the airbag, and the airbag is provided with a data acquisition device, the data acquisition device Including ring rack, gear, first drive source, equipment compartment and sub-eye, the ring rack ring is arranged outside the airbag, the first drive source is installed on the top of the equipment compartment and a gear meshed with the ring rack, and the sub-eye is installed on the equipment At the bottom of the cabin, the adjacent body segments are connected by a swing mechanism. The swing mechanism includes a swing base, a swing arm, a first connecting bracket and a second connecting bracket. The swing arm is hinged to the swing base, and the swing base is provided with a driving swing arm. The second driving source of the swing, the first connecting bracket connects the swing base and a body segment, the second connecting bracket connects the swing arm and another body segment, the geometric position relationship between each sub-eye is adjustable, and can adapt to different heights , the needs of image acquisition on different occasions.

The invention discloses a high-speed adjustable optical comb filter. A single optical fiber collimator, a first polarized displacement crystal, a first half wave plate cluster, a birefringent retarding crystal, a second half wave plate cluster, an electro-optical retarder, a third half wave plate cluster, a second polarized displacement crystal, a fourth half wave plate cluster, a roof prism, a third polarized displacement crystal and a double optical fiber collimator are sequentially placed in the same horizontal optical path direction; parallel beams separated by the second polarized displacement crystal are collimated and coupled to the double optical fiber collimator via the roof prism and the third polarized displacement crystal; and high-speed adjustable central wavelength of the optical comb filter can be realized by controlling the externally applied voltage of the electro-optical retarder. The invention achieves high-speed dynamic adjustability of the central wavelength of the comb filter and has the characteristics of compact structure, convenient manufacturing and stable and reliable performance.

The invention relates to a computer network intelligent networking and optimization system and method, characterized in that: a user interface module, a core module, a front module, a topology connector group, a computer network and its network equipment; the user interface module is used for network intelligence Human-computer interaction of the networking and optimization system; the core module receives the information input by the user interface module, analyzes and processes it and sends it to the front-end module in batches, and automatically maintains and optimizes the computer network according to the feedback information of the front-end module; The front-end module is used to control the topological connector group to construct the topological connection, and at the same time, deploy and configure the network devices in the computer network in batches, monitor the network operation information of the network devices in the computer network, and feed back to the core module; the topology connector group corresponds to computer network, and connected to all ports of all network devices in the computer network. The invention can be widely used in computer network construction and maintenance.