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50 results about "Probable Control" patented technology

Method and Data Processing System for Solving Resource Conflicts in Assembler Programs

The present invention provides a method / data processing system for solving resource conflicts in assembler programs which is characterized by the steps of:a) Generating internal representation of control flow of the source code of the assembler program by using standard techniques of compiler constructions, wherein said internal representation contains nodes for every instruction of found in said source code and a directed edge for every possible flow of control between nodes,b) Attributing data attributes to said nodes and / or said edges, wherein said data, attributes are used to store the information whether the hardware resource used by at least one instruction of said assembler program is available or for which amount of time is unavailable,c) Applying a data-flow analysis method to said internal representation of the control flow of the source code for determining whether the hardware resource used by at least one instruction of said assembler program is available or for which amount of time is unavailable comprising:c1) Initializing all of said attributes of said internal representation of the control flow of the source code with an initial value,c2) Providing access to the following input parameters: execution time of said instruction associated to said node, information what hardware resource is used by said instruction, and all attributes of the nodes from which a directed edge to said node for the attribute is currently being calculated.c3) calculating for each of the node a real value for said attribute associated to said node based on said parameters,c4) repeating calculating step in c3) until for all attributes the newly computed real value remains unchanged,d) checking for each node whether the instruction accesses a resource which is not available, wherein unavailable resources represents a resource conflict, ande) taking an appropriate action in order to overcome said resource conflict.
Owner:IBM CORP

Prevention control and emergent state aid decision-making method for multiple safety and stability constrains

The invention provides a prevention control and emergent state aid decision-making method for multiple safety and stability constrains, which comprises the following steps: when a power grid has an emergent state and a safety and stability problem of expected faults, carrying out emergent state aid decision-making calculation; classifying safety problems according to the strength of coupling degrees, and carrying out different types of aid decision-making calculation in a parallel mode so as to improve calculation speed; carrying out the same type of aid decision-making calculation by adopting a serial mode, and taking sensitivity information output by the calculation as stability constrains by sequent aid decision-making calculation to carry out calculation; combining control measures which are finally obtained according to importance indexes and sensitivity; and adopting recursion iteration to solve conflict problems of possible control schemes. In the method, the prevention control, the emergent state aid decision-making and the multiple safety and stability constrains are decoupled, and the method of decomposition coordination and recursion iteration is adopted to solve the problem of complex high-dimensional non-linear planning, so that optimized aid decision-making control measures meeting practical engineering requirements can be obtained.
Owner:NARI TECH CO LTD

Obtaining method of water chilling unit static control strategy based on air conditioning load time series distribution

The invention discloses an obtaining method of a water chilling unit static control strategy based on air conditioning load time series distribution. The obtaining method comprises the following stepsthat step A, data are acquired, specifically, operation data of a water chilling unit are acquired, a plurality of time points in a whole time period are taken, and a T-load rate data set of which time is associated with the load rate is obtained according to the operation data and thermodynamic property of the water chilling unit; step B, a decision tree is generated, a plurality of state pointsin the whole time period are taken, and nodes are distributed on the state points; and step C, branch selection of the decision tree is carried out, through the operation data and the T-load rate data set, superposition values of power consumption of father nodes and power consumption of child nodes directly generated by the father nodes is calculated, the superposition values corresponding to the father nodes are compared, the father node with the lowest superposition value and the child node generated by the father node are preserved, and the rest of the father nodes and the child nodes arediscarded. An optimal control strategy can be obtained without calculating results of all possible control strategies, the factors considered are comprehensive, an excessive calculation amount is avoided, and the result generation speed is high.
Owner:GUANGZHOU CANLEAD ENERGY TECH CO LTD

New energy uncertainty power system security risk prevention and control method and device

ActiveCN113077075ALimit Curtailment RiskMeet the practical requirements of preventive controlPower network operation systems integrationContigency dealing ac circuit arrangementsRisk preventionNew energy
The invention discloses a new energy uncertainty power system security risk prevention and control method and device, and the method comprises the steps: carrying out the enumeration combination of schemes between corresponding control schemes, deleting the combinations which do not meet a certainty constraint condition, and forming all possible control schemes; sequencing all possible control schemes according to the order of target function calculation values from small to large, and carrying out safety and stability evaluation calculation of all anticipated faults in an anticipated fault set on each control scheme in a scene operation mode with safety and stability risks in sequence, so that the total load amount and the total unit amount which are removed after the faults occur are obtained; and judging whether opportunity constraint conditions in the safety and stability risk prevention and control model are met or not, and if yes, outputting the control scheme as a final control scheme. The control cost for adjusting the output of the thermal power generating unit and the power abandoning risk for limiting the output of the new energy cluster are considered; the practical requirements of prevention and control are met; and on-line safety and stability risk prevention and control calculation speed and accuracy requirements are met.
Owner:STATE GRID NINGXIA ELECTRIC POWER +1
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