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33 results about "Heuristics" patented technology

In engineering, heuristics are experience-based methods used to reduce the need for calculations pertaining to equipment size, performance, or operating conditions. Heuristics are fallible and do not guarantee a correct solution. It is important to understand their limitations when applying them to different equipment and processes. Though heuristics are limited, they may be of value. This is because they offer time-saving approximations in preliminary process design.

Systems, methods and apparatus for just-in time scheduling and planning

ActiveUS20110173042A1Optimizes supply planMaximize availabilityGenetic modelsDigital computer detailsProgram planningConstructive heuristic
The disclosure relates generally to methods and apparatus to optimize a supply plan through a hybrid meta-heuristic approach based on genetic algorithms to optimize inventory and generate a supply plan. The apparatuses include a supply chain planner that interacts with the processes of a supply chain network. To provide a complete optimization for the type of platform being deployed in theater a heuristic algorithm is devised to decompose the supply plan problem into a production center schedule and an asset routing problem, which will be tackled one after the other. The decomposed supply plan problem is solved with different heuristic algorithms. Namely, genetic algorithms are used to optimize the supply plans based on ever changing set of operational demands from in theater and the priority of those demands to the assigned depots, while efficient constructive heuristics are used to deal with footprint and timing constraints.
Owner:LOCKHEED MARTIN CORP

Planning periodic inspection of geo-distributed infrastructure systems

An optimization framework to find the periodic inspection interval over an infinite time horizon for geo-distributed infrastructure systems subject to hidden failures. The unit's failure can only be rectified at periodic inspection, at which point a failed unit will be considered as being “perfectly” repaired. For geo-distributed infrastructure systems, for example, fire hydrants in a city, water and power supply networks in urban areas, firstly, the units of a system are clustered into groups. Then, the optimal inspection interval is calculated for each group based on the expected cost per cycle. Finally, the best schedule for inspection is determined. This schedule: (i) minimizes the global system inspection and maintenance cost; and (ii) meets the applicable labor and budget resource constraints. An integer nonlinear programming formulation together with a heuristics deals with the inspection schedule.
Owner:IBM CORP

Systems and/or methods for generating reassemblable disassemblies of binaries using declarative logic

Certain example embodiments relate to techniques for generating reassemblable disassemblies of binaries using declarative logic. A declarative logic programming language (e.g., Datalog) is used to compile reverse engineering, binary analysis, and disassembly rules into a format applicable to an executable program, yielding disassembly of that program. Datalog, for example, can be used as a query language for deductive databases, to facilitate this approach. Certain example embodiments thus involve (1) preparation of an executable for Datalog analysis, (2) inference rules and the application of Datalog for program analysis, including the application of Datalog to the domain of binary reverse engineering and analysis, and (3) the collection of assembly code from the results of the Datalog analysis. These rules can include both “hard rules” and “soft rules” or heuristics, even though standard Datalog does not support the latter.
Owner:GRAMMATECH

Device and method for planning an operation of a technical system

A computer-implemented method for planning an operation of a technical system within its environment. The method includes: obtaining state information comprising: a current domain, a time step and a current state; determining by heuristics costs for reachable states from the current state; selecting a heuristics by a policy out of a set of predefined heuristics depending on the state information and costs; choosing the state with the lowest cost returned by the selected heuristic from the reachable states, and determining an operation of the technical system out of the set of possible operation that has to be carried out by the technical system to reach said state with the lowest costreturned by the selected heuristic.
Owner:ROBERT BOSCH GMBH

A non-api member recommendation method based on heuristics and neural networks

The invention relates to a non-API object recommendation method based on heuristics and neural networks, and belongs to the technical field of code completion and code recommendation. According to themethod, all members included in a non-API object declaration type are collected according to non-API member accessing sample sample on the right side of an assignment statement in open source software, the members comprise members obtained by inheritance, then inaccessible members are eliminated according to the relationship between the class where the assignment statement is located and the non-API object declaration type, and the remaining accessible members are all taken as candidates and put into an initial candidate list cdtList for the use of subsequent use. Prediction is conducted on the sample in step one based on three kinds of specific heuristic rules. The neural networks are trained by using information to obtain a filter capable of filtering low-reliability prediction results.When a programmer enters '.' in a non-API sample object on the right side of the assignment statement, non-API members which might access are predicted. According to the method, the probability thatthe number of recommended members under the same data set is correct is obviously higher than existing methods and tools.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY
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