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1. 发明授权

US08509925B2 Method and system for generating an optimized solution for a process 失效
公开(公告)号：US08509925B2
公开(公告)日：2013-08-13
申请号：US12316854
申请日：2008-12-17
申请人： Ashok Erramilli , Srinivas Netrakanti , Erwin Paes , Aditya Kelkar , Xi Zhu
发明人： Ashok Erramilli , Srinivas Netrakanti , Erwin Paes , Aditya Kelkar , Xi Zhu
IPC分类号： G05B13/02
CPC分类号： G06N5/04 , G06Q10/00
摘要： A method, system and computer program product for generating an optimized solution for a process in a manufacturing under a set of constraints. A solution is evaluated under the set of constraints and first violation metrics and first states corresponding to one or more solution elements are generated, based on at least one constraint. At least one candidate solution is generated from the solution. Thereafter, the candidate solution is evaluated at one or more change-points and the solution elements positioned subsequent to the change points. Subsequently, the candidate solution is accepted based on the acceptance criterion. The selected candidate solution is then evaluated again a pre-defined number of times to generate the optimized solution.

2. 发明申请

US20090210076A1 Method and system for generating an optimized solution for a process 失效
标题翻译：为过程生成优化解决方案的方法和系统
公开(公告)号：US20090210076A1
公开(公告)日：2009-08-20
申请号：US12316854
申请日：2008-12-17
申请人： Ashok Erramilli , Srinivas Netrakanti , Erwin Paes , Aditya Kelkar , Xi Zhu
发明人： Ashok Erramilli , Srinivas Netrakanti , Erwin Paes , Aditya Kelkar , Xi Zhu
IPC分类号： G05B13/02 , G06N3/12 , G06N5/04
CPC分类号： G06N5/04 , G06Q10/00
摘要： A method, system and computer program product for generating an optimized solution for a process in a manufacturing under a set of constraints. A solution is evaluated under the set of constraints and first violation metrics and first states corresponding to one or more solution elements are generated, based on at least one constraint. At least one candidate solution is generated from the solution. Thereafter, the candidate solution is evaluated at one or more change-points and the solution elements positioned subsequent to the change points. Subsequently, the candidate solution is accepted based on the acceptance criterion. The selected candidate solution is then evaluated again a pre-defined number of times to generate the optimized solution.
摘要翻译：一种方法，系统和计算机程序产品，用于在一组约束下为制造过程中的过程生成优化解决方案。基于约束集合来评估解决方案，并且基于至少一个约束来生成与一个或多个解决方案元素相对应的第一状态。从解决方案生成至少一个候选解决方案。此后，在一个或多个变化点和位于变化点之后的解决方案元素评估候选解决方案。随后，基于验收标准接受候选解决方案。然后再次对选定的候选解决方案进行预定义次数的计算，以生成优化的解决方案。

3. 发明申请

US20090222123A1 Method and system for scheduling a set of events in real time 审中-公开
标题翻译：实时调度一组事件的方法和系统
公开(公告)号：US20090222123A1
公开(公告)日：2009-09-03
申请号：US12291238
申请日：2008-11-07
申请人： Kevin Nevills , Ashok Erramilli , Vishnu Erramilli , Srinivas Netrakanti , Erwin Paes , Robert Stawicki
发明人： Kevin Nevills , Ashok Erramilli , Vishnu Erramilli , Srinivas Netrakanti , Erwin Paes , Robert Stawicki
IPC分类号： G06F19/00
CPC分类号： G06Q10/06 , G05B19/41865 , G05B2219/32191 , G05B2219/32291 , Y02P90/20 , Y02P90/22
摘要： A method and system for generating/regenerating a schedule of a set of events associated with at least one process in a manufacturing plant in real time. The schedule is generated/regenerated on the basis of the occurrence of one or more events associated with various processes in real time. The occurrence of each of the events is monitored continuously. Thereafter, the occurrence of the monitored events is predicted for one or more predefined instances of time. The schedule is optimized on the basis of the predicted occurrences of the monitored events to generate/regenerate the schedule. The optimized schedule may be used to control one or more automatons.
摘要翻译：一种用于生成/再生与制造工厂中的至少一个过程相关联的一组事件的实时调度的方法和系统。基于与各种处理相关联的一个或多个事件的实时生成/生成该调度。每个事件的发生被连续地监视。此后，针对一个或多个预定时间实例来预测监视事件的发生。根据监测事件的预测事件来生成/重新生成计划，优化排程。优化的时间表可以用于控制一个或多个自动机。

4. 发明申请

US20060101052A1 Method and system for sequencing and scheduling 审中-公开
标题翻译：排序和调度的方法和系统
公开(公告)号：US20060101052A1
公开(公告)日：2006-05-11
申请号：US10975877
申请日：2004-10-28
申请人： Srinivas Netrakanti , Brad Baynes , Ashok Erramilli
发明人： Srinivas Netrakanti , Brad Baynes , Ashok Erramilli
IPC分类号： G06F17/00 , G06F7/00
CPC分类号： G06Q10/00
摘要： A method and system as well as a computer program product for generating an optimized production sequence and schedule is provided. The method includes generation of a job object, a constraint object, a slot object and a parameters object that are used to generate the optimized production sequence and schedule. The system includes a configurable layer that stores the objects and a core product layer that generates the optimized sequence and schedule using the objects generated. The system may be used in conjunction with a variety of known optimization methodologies.
摘要翻译：提供了一种用于生成优化的生产顺序和时间表的方法和系统以及计算机程序产品。该方法包括生成用于生成优化的生产序列和调度的作业对象，约束对象，时隙对象和参数对象。该系统包括存储对象的可配置层和使用生成的对象生成优化的序列和调度的核心产品层。该系统可以与各种已知的优化方法结合使用。

5. 发明申请

US20060095484A1 Method and system for solving an optimization problem 审中-公开
标题翻译：解决优化问题的方法和系统
公开(公告)号：US20060095484A1
公开(公告)日：2006-05-04
申请号：US10975751
申请日：2004-10-28
申请人： Ashok Erramilli , Srinivas Netrakanti
发明人： Ashok Erramilli , Srinivas Netrakanti
IPC分类号： G06F15/00
CPC分类号： G05B19/41865 , G05B13/021 , G05B2219/32291 , G05B2219/32333 , Y02P80/40 , Y02P90/20
摘要： This invention provides a method and system for solving an optimization problem under a set of constraints. A set of solutions is evaluated under the set of constraints. Initial violation metrics and states are generated, based on at least one constraint corresponding to the solutions violating the constraints. A set of candidate solutions is generated from the existing set of solutions by a set of operators. The set of candidate solutions is incrementally evaluated in a manner that is independent of the operators and the constraint. In case an evaluated solution is accepted, the violation metrics and states are updated on the basis of the accepted solution. However, if the evaluated solution is not accepted, a next candidate solution is incrementally evaluated. This process is repeated till all the candidate solutions are not checked for acceptance. Finally, the method terminates if a stopping criterion is met.
摘要翻译：本发明提供一种用于在一组约束下解决优化问题的方法和系统。在一组约束下评估一组解决方案。基于与违反约束的解决方案相对应的至少一个约束来生成初始违规度量和状态。一组候选解决方案由一组运算符从现有的一组解决方案生成。一组候选解决方案以独立于运算符和约束的方式进行递增计算。如果接受了评估的解决方案，则会根据所接受的解决方案更新违规度量和状态。然而，如果不接受评估的解决方案，则递增地评估下一个候选解决方案。重复这个过程，直到所有的候选解决方案都不被验收。最后，如果满足停止标准，则该方法终止。

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