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1. 发明授权

US11966675B2 Systems and methods for co-simulation 有权
公开(公告)号：US11966675B2
公开(公告)日：2024-04-23
申请号：US17529742
申请日：2021-11-18
申请人： The MathWorks, Inc.
发明人： Tao Cheng , Pieter J. Mosterman , Haihua Feng , Fu Zhang
IPC分类号： G06F11/07 , G06F30/20 , G06F30/30
CPC分类号： G06F30/30 , G06F11/076 , G06F11/079 , G06F11/0793 , G06F30/20
摘要： A model including a first co-simulation component and a second co-simulation component is analyzed. During execution of the model, the first co-simulation component outputs data to the second co-simulation component via a connection. The connection is declared as a continuous-time rate connection for input of the data into the second co-simulation component. Based on analyzing the model, the connection is identified as a discrete-continuous sample time connection based on data being communicated from the first co-simulation component to the second co-simulation component via the connection at a discrete-time rate when the model is executed in a co-simulation manner.

2. 发明申请

US20160350454A1 GRAPHICAL MODELING FOR ACCESSING DYNAMIC SYSTEM STATES ACROSS DIFFERENT COMPONENTS 审中-公开
标题翻译：用于通过不同组件访问动态系统状态的图形建模
公开(公告)号：US20160350454A1
公开(公告)日：2016-12-01
申请号：US14722487
申请日：2015-05-27
申请人： The MathWorks Inc.
发明人： Alongkrit CHUTINAN , Ramamurthy Mani , Srinath Avadhanula , Fu Zhang , Jing Xu , Qu Zhang , John E. Ciolfi
IPC分类号： G06F17/50 , G06F9/44
CPC分类号： G06F17/5009
摘要： A method may include causing a first model to be executed. The causing the first model to be executed may be performed by a device. The method may further include causing a second model to be executed to simulate a functionality of the first model. The causing the second model to be executed may be performed by the device. The method may further include interacting with a model element, of the second model, associated with implicitly accessing information regarding a state of the first model. The state may be a representation of the first model at a particular simulation time-step. The interacting with the model may be performed by the device. The method may further include accessing, by the model element, information associated with the state of the first model. The accessing the information may be performed by the device.
摘要翻译：一种方法可以包括使第一模型被执行。导致第一模型被执行可以由设备执行。该方法还可以包括使第二模型被执行以模拟第一模型的功能。导致第二模型被执行可以由设备执行。该方法还可以包括与第二模型的模型元素交互，该模型元素与隐含地访问关于第一模型的状态的信息相关联。该状态可以是在特定模拟时间步骤中第一模型的表示。与模型的交互可以由设备执行。该方法还可以包括由模型元素访问与第一模型的状态相关联的信息。访问信息可以由设备执行。

3. 发明授权

US11520956B2 Systems and methods for automatically realizing models for co-simulation 有权
公开(公告)号：US11520956B2
公开(公告)日：2022-12-06
申请号：US17352818
申请日：2021-06-21
申请人： The MathWorks, Inc.
发明人： Haihua Feng , Tao Cheng , John E. Ciolfi , Pieter J. Mosterman , Fu Zhang
IPC分类号： G06F30/20 , G06F30/15 , G06F30/333
摘要： Systems and methods automatically construct a realization of a model from an available set of alternative co-simulation components, where the realization meets one or more objectives, such as fidelity, execution speed, or memory usage, among others. The systems and methods may construct the realization model by setting up and solving a constrained optimization problem, which may select particular ones of the alternative co-simulation components to meet the objectives. The systems and methods may configure the realization, and execute the realized model through co-simulation. The systems and methods may employ and manage different execution engines and/or different solvers to run the realization of the model.

4. 发明申请

US20210312110A1 SYSTEMS AND METHODS FOR AUTOMATICALLY REALIZING MODELS FOR CO-SIMULATION 有权
公开(公告)号：US20210312110A1
公开(公告)日：2021-10-07
申请号：US17352818
申请日：2021-06-21
申请人： The MathWorks, Inc.
发明人： Haihua Feng , Tao Cheng , John E. Ciolfi , Pieter J. Mosterman , Fu Zhang
IPC分类号： G06F30/20
摘要： Systems and methods automatically construct a realization of a model from an available set of alternative co-simulation components, where the realization meets one or more objectives, such as fidelity, execution speed, or memory usage, among others. The systems and methods may construct the realization model by setting up and solving a constrained optimization problem, which may select particular ones of the alternative co-simulation components to meet the objectives. The systems and methods may configure the realization, and execute the realized model through co-simulation. The systems and methods may employ and manage different execution engines and/or different solvers to run the realization of the model.

5. 发明授权

US10740514B1 Graph-based partitioning of dynamic system execution 有权
公开(公告)号：US10740514B1
公开(公告)日：2020-08-11
申请号：US14189591
申请日：2014-02-25
申请人： The MathWorks, Inc.
发明人： Fu Zhang , Robert O. Aberg , Murali K. Yeddanapudi , John E. Ciolfi , Pieter J. Mosterman , Zhi Han
IPC分类号： G06F17/50 , G06F30/23
摘要： A device may receive a model that includes multiple blocks. The model may include first variables that contribute to a first calculation and second variables that contribute to a second calculation. The device may determine first dependencies associated with the first variables and may determine second dependencies associated with the second variables. The device may generate a first execution function based on determining the first dependencies. The first execution function may identify first blocks that are to be executed to perform the first calculation. The device may generate a second execution function based on determining the second dependencies. The second execution function may identify second blocks that are to be executed to perform the second calculation. The device may cause the first blocks and the second blocks to be executed in a different manner based on the first execution function and the second execution function.

6. 发明授权

US10719645B1 Model structure analysis with integration of transformed slice 有权
公开(公告)号：US10719645B1
公开(公告)日：2020-07-21
申请号：US14958726
申请日：2015-12-03
申请人： The MathWorks, Inc.
发明人： Fu Zhang , Zhi Han , Pieter J. Mosterman , William J. Aldrich , Ebrahim Mehran Mestchian , Denizhan N. Alparslan , Richard Hyde
IPC分类号： G06F17/50 , G06F11/36 , G06F30/3323 , G06F8/10
摘要： A computer-based model having executable semantics may be used to simulate the behavior of a system. A substructure of interest is sliced from the model and analyzed to determine a transformation of the slice while preserving some context of the model. The transformed slice may be further manipulated outside of the model, integrated back into the model in place of the original slice, or used in other ways.

7. 发明授权

US11042675B2 Systems and methods for automatically realizing models for co-simulation 有权
公开(公告)号：US11042675B2
公开(公告)日：2021-06-22
申请号：US16403959
申请日：2019-05-06
申请人： The MathWorks, Inc.
发明人： Haihua Feng , Tao Cheng , John E. Ciolfi , Pieter J. Mosterman , Fu Zhang
IPC分类号： G06F30/20 , G06F30/15 , G06F30/333
摘要： Systems and methods automatically construct a realization of a model from an available set of alternative co-simulation components, where the realization meets one or more objectives, such as fidelity, execution speed, or memory usage, among others. The systems and methods may construct the realization model by setting up and solving a constrained optimization problem, which may select particular ones of the alternative co-simulation components to meet the objectives. The systems and methods may configure the realization, and execute the realized model through co-simulation. The systems and methods may employ and manage different execution engines and/or different solvers to run the realization of the model.

8. 发明授权

US10970183B1 System and method for improving model performance 有权
公开(公告)号：US10970183B1
公开(公告)日：2021-04-06
申请号：US14042236
申请日：2013-09-30
申请人： The MathWorks, Inc.
发明人： Robert O. Aberg , Joan Wortman , Fu Zhang
IPC分类号： G06F11/30
摘要： A system and method intelligently and automatically improves the performance of a model. The system employs heuristics to select a plurality of performance rules that conform to one or more criteria specified for the performance analysis process. The performance rules include checks to be run on the model and offer advice, such as proposed changes that, if made to the model, may improve its performance. The system may evaluate the proposed changes to determine whether or not they produce an improvement in the model's performance. Proposed changes validated as improving model performance are retained, while proposed changes found not to improve performance are removed.

9. 发明授权

US10969933B1 Graphical representation of ordered model items based on solver information 有权
公开(公告)号：US10969933B1
公开(公告)日：2021-04-06
申请号：US15426607
申请日：2017-02-07
申请人： The MathWorks, Inc.
发明人： Guy Rouleau , Zhuohua Shen , Fu Zhang
IPC分类号： G06F17/50 , G06F3/0482 , G06F30/18
摘要： A device may receive data associated with executing a model. The data may be associated with a solver used during execution of the model. The device may determine a presentation order of a plurality of model items based on the data associated with executing the model. The solver may be used to determine values associated with the plurality of model items. The presentation order of the plurality of model items may be determined based on a plurality of factors. The plurality of factors may be associated with the values. The device may generate a graphical interface that indicates the presentation order of the plurality of model items. The device may provide the graphical interface. The graphical interface may provide, for display, a list of the plurality of model items. The list may be provided in association with the presentation order.

10. 发明授权

US10423732B2 Bidomain simulator 有权
公开(公告)号：US10423732B2
公开(公告)日：2019-09-24
申请号：US15072239
申请日：2016-03-16
申请人： The MathWorks, Inc.
发明人： Fu Zhang , Zhi Han , Murali K. Yeddanapudi , Pieter J. Mosterman
IPC分类号： G06F8/10 , G06F8/35 , G06F17/13 , G06F17/50
摘要： A method, performed by a computer device, may include selecting one or more input and output points in an executable graphical model in a modeling application and simulating the executable graphical model over a plurality of time points. The method may further include generating a time domain response plot for the executable graphical model based on the simulating; obtaining matrices of partial derivatives based on the selected one or more input and output points at particular time points of the plurality of time points; generating a frequency domain response plot for the executable graphical model based on the obtained matrices of partial derivatives; and generating a bidomain simulator user interface, the bidomain simulator user interface including the generated time domain response plot and the generated frequency domain response plot.

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