4 results about "Solstice" patented technology

An apparatus for displaying the passage of time as we experience the movement of the sun. Civil time, solar time, sunrise, solar noon, sunset, the date, equinoxes, solstices, and seasons are represented in a single, integrated display. The display includes a representation of the sun revolving about a center once per day, rising and setting relative to a representation of the horizon, with solar noon, rather than civil-time noon, continuously at the top of the display. The apparatus accounts for and is adjustable to latitude and longitude. The apparatus accounts for all naturally perceptible motions of the earth with respect to the sun, including the variation in the length of the solar day, whose cumulative difference with civil time is expressed as the equation of time.

This invention discloses a smart park load forecasting method integrating seasonal and solar term features, comprising: generating a feature input vector and a meteorological-solar term deviation vector based on current input data; a trained weight calculation module outputting a weight vector and a bidirectional dynamic hidden state vector based on these two vectors; a trained gating network outputting a fuzzy probability distribution based on the weight vector and the bidirectional dynamic hidden state vector; and a trained fuzzy boundary hybrid expert network outputting park load forecast data for a preset future time period based on the weight vector, the bidirectional dynamic hidden state vector, and the fuzzy probability distribution. The expert network includes multiple trained seasonal and solar term sub-networks, each of which uses the knowledge learned during training to predict park load data. This invention can deeply capture the nonlinear spatiotemporal relationships of multi-source data, significantly improving the prediction accuracy, convergence speed, and robustness of the model under complex and variable climate conditions.

The application provides a generation method of a solstice seal based on parameterized modeling and azimuth coupling symmetry, and relates to the technical field of seal design. The generation method of the solstice seal determines a yin-yang background color according to astronomical characteristics of solstice origin and a parameter according to a season where the solstice is located, and generates a normalized boundary curve. The generation method calculates a solstice prevailing wind azimuth based on meteorological data. The generation method divides a main area and a remaining area according to a season parameter, and calculates character coordinates. The generation method applies a vertical symmetry criterion to layout solstice characters in the remaining area, and verifies vertical symmetry and minimum spacing constraints. The application can automatically generate a solstice seal meeting the requirements of traditional culture according to scientific genes, cultural backgrounds and natural characteristics of the 24 solar terms, through accurate modeling and optimization calculation.

The invention discloses a reverse calculation method for evaluating the influence of a fan shadow on a target point, and relates to the technical field of fan shadow evaluation. According to the method, based on a reverse calculation model, the accurate critical condition that the winter solstice day shadow scans the target point is directly solved, the problem of misjudgment caused by neglecting the relative position in a traditional method is fundamentally solved, and the evaluation accuracy is revolutionarily improved; the method not only can give a qualitative conclusion of whether the influence occurs, but also can accurately output a specific time point when the influence of the winter solstice day occurs and the shadow length at the moment, provides extremely valuable quantitative data, and is far superior to a traditional method in guidance; a traditional winter solstice day evaluation method needs to calculate a plurality of time points, but the method directly positions a unique key critical point for calculation, the calculation target is clear, and the efficiency is higher.