Orthogonal successive approximation algorithm based reservoir scheduling method

The invention relates to the field of reservoir scheduling and discloses an orthogonal successive approximation algorithm based reservoir scheduling method. The reservoir scheduling method includes the steps: firstly, determining number of reservoirs, and adopting the orthogonal successive approximation algorithm for calculation if one reservoir is available; otherwise, setting scattering-state step length and scattering number and selecting a proper orthogonal table according to the number of the reservoirs and number of scattering states; determining initial reservoir scheduling trajectories involved in optimal calculation; resolving the original reservoir optimal scheduling problem into multiple subproblems by the successive approximation algorithm; calculating each state combination and performing statistic analysis by a penalty function method according to reservoir condition combination evenly distributed in a constraint space of an orthogonal table structure, and rapidly acquiring the optimal state combination of the subproblems; performing the optimal calculation on the subproblems in sequence, and successively approximating an optimal solution of the original problem. By the application of the reservoir scheduling method, calculation dimensions of the reservoir optimal scheduling problems can be lowered, calculation efficiency can be improved, and the reservoir scheduling method is applicable to a single-reservoir optimal scheduling and group-reservoir optimal scheduling as well as water resource optimal allocation.