30results about How to "Improve the quality of research and development" patented technology

The embodiment of the invention provides a modular configuration method and device for rail transit products and electronic equipment, and the method comprises the steps: forming a modular structure tree through part clustering analysis based on product instances of existing rail transit; based on the modular structure tree, identifying a key module, and based on the key module, passing through ademand; The basic module, the configurable module and the personality module which form the product family architecture are classified through module qualitative relation analysis and module universality quantitative calculation; And based on the basic module and the configurable module, constructing a base type of the modular product, and based on the base type of the modular product, generatinga rail transit product meeting a preset requirement by matching the personality module. According to the embodiment of the invention, resources can be utilized to the maximum extent, the development period is effectively shortened, the development cost is reduced, and the development quality is improved.

The invention belongs to the field of civil aircraft brake system environment test equipment development, and relates to a design method of a civil aircraft brake system comprehensive environment testbox. The design method comprises the steps that the temperature design parameter of the comprehensive environment test box is determined; design of the high temperature protection function is performed on the brake system; the structural design of the comprehensive environment test box is determined; and reliability testing of the comprehensive environment test box is performed so that whether the requirement of mean time between failures MTBF=5000h is met can be determined. The reliability of the comprehensive environment test box is enhanced so that waste of resources and energy caused by frequent replacing of the comprehensive environment test box can be avoided and the pollution to the environment can be reduced.

The invention provides a method for realizing customized software release, which is characterized by comprising the following steps of: initiating a request to a back-end service; obtaining an environment list and a corresponding atomic task list; and based on the obtained environment list and the atomic task list, initializing a push environment and corresponding atomic tasks. According to the invention, message intercommunication is realized through RabbitMQ, high concurrency of target tasks is realized, and the system stability and reliability are ensured. The target task is reasonably split, each task has independence and atomicity, in addition, the task needing a large amount of time and having no influence on release of a final result is split out for asynchronous execution, the timefor pushing the target task is greatly shortened, and efficiency is improved.

The invention relates to a component change control method, which belongs to the technical field of component change control in the complex mechanical design and manufacturing field. The invented component change control method is used for performing change control on changed components and related components on the basis of a simplified configuration management mode. The component change control method can overcome the defects of a traditional control method based on drawing versions, solves the problem of large-scale complex product technical state management, can realize the automatic and effective control of complex changing state of the components, simplifies process of change control, ensures the consistency, reliability and traceability of product final configuration states, has the functions of shortening development cycle and reducing technical state management cost for scientific research and production, and is conductive to later maintenance of products.

The invention discloses a hard disk backplane lighting method, system and storage medium in the POST stage, comprising the following steps: the first step is to set a control right closing strategy and a control right recovery strategy, and turn off the hard disk backboard of the CPLD through the control right closing strategy. Board lighting control right; second step, judge whether the driver of the volume manager is loaded; third step, if the loading is complete, execute the control right recovery strategy; the control right recovery strategy is: obtain the volume manager state, and according to the state of the volume manager, determine whether to send the command that the volume manager is in the open state to the CPLD; restore the hard disk backplane lighting control right of the CPLD through the control right recovery strategy, The CPLD executes the lighting operation of the hard disk backplane; through the above method, the present invention avoids the problem of abnormal lighting caused by the CPLD being able to control the lighting of the hard disk backplane when the volume manager driver is not loaded, and realizes the safe and standardized lighting operation.

The invention discloses a multi-mode network management configuration model upgrade method and device. The method includes: expanding the configuration directory of all formats supported by the server and the client; performing secondary development and deployment of the configuration model in the configuration directory; Deliver the configuration. By expanding the configuration directory of all formats supported by the server and client, unified management of all formats supported by the server and client is completed, making the secondary development and deployment of configuration models in the configuration directory more convenient and effective. Through the method provided by the present invention, each product developer can complete the upgrade of automated multi-mode configuration models according to the business constraints of their own products, reduce communication costs, improve research and development quality, and avoid serious duplication of development caused by the same platform business.

The invention provides a T / S parameter measurement method, a measurement device and electronic equipment of a loudspeaker. The T / S parameter measurement method of a loudspeaker includes: acquiring a first impedance curve of the loudspeaker when the diaphragm is loaded and a second impedance curve when the diaphragm is unloaded. Impedance curve; obtain the structure of the equivalent circuit of the speaker, and determine the equivalent impedance of the equivalent circuit; determine the initial value of the equivalent parameters of the equivalent circuit based on the first impedance curve and the second impedance curve; The objective is to minimize the difference between the effective impedance and the measured impedance read from the second impedance curve, and the equivalent parameters are adjusted to obtain the measurement result. The method for measuring the T / S parameter of the loudspeaker of the present invention, by establishing an equivalent impedance function, and taking the parameters measured from the impedance curve as the initial value for gradual optimization, in the case of collecting fewer frequency points, an accurate measurement can be obtained. The measurement results, and the measurement time is less, which helps to improve the research and development quality of earphones and speed up the research and development.

The invention discloses an inductive coupling type high-frequency electrodeless lamp simulation device and method, which belong to the field of lighting engineering. The device comprises a data input module, a first data acquisition module, a geometric modeling module, a physical coupling\chemical reaction module, a mesh generation module, a calculating and solving module, a data output module, an environmental factor input module, a second data acquisition module, a parameter optimization device and an optimal value output module. The device is based on mathematical physics, chemical equations and finite element numerical analysis models, multiple physical fields such as electrical, magnetic and plasma fields of a high-frequency electrodeless lamp are built, realized and optimized so as to guide the electrodeless lamp research and development; a mechanism model and a computer are applied to simulate, so that the development cost is lowered, the development period is shortened, the development quality is improved, the whole electrodeless lamp development process is assisted by the computer, the electrodeless lamp development process is improved from imitation, practicality experiment and data accumulation processes, and reliable technical guarantee is provided for the batch production of the electrodeless lamp.