Patents by Inventor Saigopal Nelaturi

Saigopal Nelaturi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210387418
    Abstract: A plurality of scanned prints of a product part and a scan-path are received. A shape of a minimum printable feature of the product part is determined by analyzing the respective prints in a scan-path representation. A manufacturing error of the minimum printable feature is determined based on the analysis. A manufacturing error of a shape of the part is determined based on the determined manufacturing error of the minimum printable feature. An estimated manufactured shape of the part is produced based on the determined manufacturing error of the part.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 16, 2021
    Inventors: Svyatoslav Korneev, Vaidyanathan Thiagarajan, Saigopal Nelaturi
  • Publication number: 20210390229
    Abstract: A representation of an initial design domain, at least one subtractive tool assembly, machine degrees of freedom, and a termination criterion are used to iteratively generate intermediate part designs by redistributing the material within the design domain. A measure of inaccessibility of exteriors of the intermediate part designs by the at least one subtractive manufacturing tool assembly are generated. The measure of inaccessibility is used to inform generation of an intermediate part design at a next iteration. The iterative algorithm is terminated when the termination criterion is satisfied, the result of the iterative algorithm being a part design accessible for subtractive manufacturing.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 16, 2021
    Inventors: Amirmassoud Mirzendehdel, Morad Behandish, Saigopal Nelaturi
  • Publication number: 20210390224
    Abstract: A geometry of a substrate surface is received at a neural network. The neural network is trained using one or more training sets. Each training set comprises a different type of substrate geometry and a collection of manufacturing process parameters. The substrate is configured to receive at least one liquid droplet. A shape of the at least one droplet after it has been deposited on the substrate is determined based on the received geometry. An output representing the determined shape of the at least one droplet is produced.
    Type: Application
    Filed: June 11, 2020
    Publication date: December 16, 2021
    Inventors: Svyatoslav Korneev, Vaidyanathan Thiagarajan, Saigopal Nelaturi
  • Publication number: 20210356951
    Abstract: The system and method described allow for real-time control over positioning of a micro-object. A movement of at least one micro-object suspended in a medium can be induced by a generation of one or more forces by electrodes proximate to the micro-object. Prior to inducing the movement, a simulation is used to develop a model describing a parameter of an interaction between each of the electrodes and the micro-object. A function describing the forces generated by an electrode and an extent of the movement induced due to the forces is generated using the model. The function is used to design closed loop policy control scheme for moving the micro-object towards a desired position. The position of the micro-object is tracked and taken into account when generating voltage patterns in the scheme.
    Type: Application
    Filed: August 2, 2021
    Publication date: November 18, 2021
    Inventors: Ion Matei, Jeng Ping Lu, Saigopal Nelaturi, Julie A. Bert, Lara S. Crawford, Armin R. Volkel, Eugene M. Chow
  • Patent number: 11163293
    Abstract: Automated fixture layout is approached in two distinct stages. First, the spatial locations of clamping points on the work piece are determined to ensure immobility of the fixtured part under any infinitesimal perturbation. Second, spatial locations are matched against a user-specified library of reconfigurable clamps to synthesize a valid fixture layout or configuration that includes clamps that are accessible and collision free. The spatial locations matching during the second stage can be the same spatial locations chosen in the first stage to ensure immobility, or a different set of spatial locations.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: November 2, 2021
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Saigopal Nelaturi, Arvind Rangarajan, Tolga Kurtoglu, Christian Fritz
  • Patent number: 11157672
    Abstract: One embodiment of the present disclosure provides a system for determining a hybrid-manufacturing plan for manufacturing an integrated circuit (IC). During operation, the system can obtain a set of hybrid-manufacturing constraints for manufacturing the IC. The set of hybrid-manufacturing constraints can include a set of primitives, a set of atoms, and an atom end-state vector. An atom can correspond to a unit of spatial volume of the IC. A primitive can represent an additive, subtractive, or a mixed manufacturing process corresponding to one or more atoms of the IC. Next, the system can determine a plurality of feasible hybrid-manufacturing plans based on the set of manufacturing constraints. Each feasible hybrid-manufacturing plan can represent an ordering of the set of primitives that satisfies the atom end-state vector. The system can then determine costs for manufacturing the IC using the plurality feasible hybrid-manufacturing plans.
    Type: Grant
    Filed: September 17, 2020
    Date of Patent: October 26, 2021
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Aleksandar B. Feldman, Morad Behandish, Johan de Kleer, Ion Matei, Saigopal Nelaturi
  • Publication number: 20210291261
    Abstract: A computer representation of a printable product part and a plan for the printable product part to be deposited using an additive manufacturing process are received. The printable product part comprises an accumulation of material deposited by the additive manufacturing process. The plan comprises a tool-path representation of the printable product part and process parameters. A plurality of as-printed shapes of the printable product part are determined after it has been deposited according to the plan. Geometric differences between any of the plurality of as-printed shapes with the computer representation of the product part are determined.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 23, 2021
    Inventors: Svyatoslav Korneev, Vaidyanathan Thiagarajan, Saigopal Nelaturi, Ziyan Wang
  • Publication number: 20210286910
    Abstract: A method for producing a design includes receiving a set of design constraints. A spatial field is created based on the design constraints. The spatial field is represented with a linear combination of one or more bases. A number of the one or more bases is less than a number of elements in the spatial field. Respective weights are optimized for each of the one or more bases. A design is produced based on the spatial field and the weights.
    Type: Application
    Filed: March 13, 2020
    Publication date: September 16, 2021
    Inventors: Nurcan Gecer Ulu, Svyatoslav Korneev, Saigopal Nelaturi, Erva Ulu
  • Publication number: 20210256170
    Abstract: A target system is coupled to a diagnosis engine that uses a lumped parameter model of the system for diagnosis. A proximity search in is performed in a computer-aided design model of the system to find groups of components that may be affected by resistive or parasitic interactions between the individual components in the groups. The lumped parameter model is augmented by adding elements that emulate the resistive or parasitic interactions between the individual components in the groups. The augmented lumped model is used by the diagnosis engine to perform diagnosis on the system.
    Type: Application
    Filed: February 18, 2020
    Publication date: August 19, 2021
    Inventors: Ion Matei, Saigopal Nelaturi, Johan de Kleer, Clinton Morris, Aleksandar B. Feldman
  • Patent number: 11079747
    Abstract: The system and method described allow for real-time control over positioning of a micro-object. A movement of at least one micro-object suspended in a medium can be induced by a generation of one or more forces by electrodes proximate to the micro-object. Prior to inducing the movement, a simulation is used to develop a model describing a parameter of an interaction between each of the electrodes and the micro-object. A function describing the forces generated by an electrode and an extent of the movement induced due to the forces is generated using the model. The function is used to design closed loop policy control scheme for moving the micro-object towards a desired position. The position of the micro-object is tracked and taken into account when generating control signals in the scheme.
    Type: Grant
    Filed: January 3, 2020
    Date of Patent: August 3, 2021
    Assignee: PALO ALTO RESEARCH CENTER INCORPORATED
    Inventors: Ion Matei, Jeng Ping Lu, Saigopal Nelaturi, Julie A. Bert, Lara S. Crawford, Armin R. Volkel, Eugene M. Chow
  • Publication number: 20210191362
    Abstract: Algorithmic reasoning about a cutting tool assembly's space of feasible configurations can be effectively harnessed to construct a sequence of motions that guarantees a collision-free path for the tool assembly to remove each support structure in the sequence. A greedy algorithm models the motion of the cutting tool assembly through the free-spaces around the intermediate shapes of the part as the free-spaces iteratively reduce in size to the near-net shape to determine feasible points of contact for the cutting tool assembly. Each support beam is evaluated for a contact feature along the boundary of the near-net shape that constitutes a feasible point of contact. If a support beam has at least one feasible configuration at each point, the support beam is deemed ‘accessible’ and a collection of tool assembly configurations that are guaranteed to be non-colliding but which can access all points of contact of each accessible support beam can be generated.
    Type: Application
    Filed: February 12, 2021
    Publication date: June 24, 2021
    Inventors: Saigopal Nelaturi, Morad Behandish
  • Patent number: 10967469
    Abstract: Automated fixture layout is approached in two distinct stages. First, the spatial locations of clamping points on the work piece are determined to ensure immobility of the fixtured part under any infinitesimal perturbation. Second, spatial locations are matched against a user-specified library of reconfigurable clamps to synthesize a valid fixture layout or configuration that includes clamps that are accessible and collision free. The spatial locations matching during the second stage can be the same spatial locations chosen in the first stage to ensure immobility, or a different set of spatial locations.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 6, 2021
    Assignee: SANDVIK INTELLECTUAL PROPERTY AB
    Inventors: Saigopal Nelaturi, Arvind Rangarajan, Tolga Kurtoglu, Christian Fritz
  • Publication number: 20210073349
    Abstract: A method of classifying design criteria includes receiving design criteria for a product part. The criteria comprise one or both of performance and manufacturing criteria. The design criteria are sorted into different classes of one or both of one or more objective functions and one or more constraints based on when they can be satisfied or optimized. Constraint violations are determined. A design workflow is produced to generate one or more designs of a part to comply with one or more of satisfying constraints and optimizing objective functions.
    Type: Application
    Filed: September 5, 2019
    Publication date: March 11, 2021
    Inventors: Amirmassoud Mirzendehdel, Morad Behandish, Saigopal Nelaturi
  • Patent number: 10921781
    Abstract: Algorithmic reasoning about a cutting tool assembly's space of feasible configurations can be effectively harnessed to construct a sequence of motions that guarantees a collision-free path for the tool assembly to remove each support structure in the sequence. A greedy algorithm models the motion of the cutting tool assembly through the free-spaces around the intermediate shapes of the part as the free-spaces iteratively reduce in size to the near-net shape to determine feasible points of contact for the cutting tool assembly. Each support beam is evaluated for a contact feature along the boundary of the near-net shape that constitutes a feasible point of contact. If a support beam has at least one feasible configuration at each point, the support beam is deemed ‘accessible’ and a collection of tool assembly configurations that are guaranteed to be non-colliding but which can access all points of contact of each accessible support beam can be generated.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: February 16, 2021
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Saigopal Nelaturi, Morad Behandish
  • Publication number: 20210042455
    Abstract: A three-dimensional object model is divided into slices that are targeted for an additive manufacturing process operable to deposit material at a variable deposition size ranging between minimum and maximum printable feature sizes, For each of the slices, a thinning algorithm is applied to contours of the slice to form a meso-skeleton. Topological features of the thinned slice are reduced over a number of passes such that a portion of the meso-skeleton is reduced to a single pixel wide line. Based on the number of passes, a slice-specific printable feature size within the range of the minimum and maximum printable feature sizes is determined. An adjusted slice is formed by sweeping the meso-skeleton with the slice-specific printable feature size. The adjusted slices are assembled into an object model which is used to create a manufactured object.
    Type: Application
    Filed: December 16, 2019
    Publication date: February 11, 2021
    Inventors: Erva Ulu, Nurcan Gecer Ulu, Walter Hsiao, Saigopal Nelaturi
  • Publication number: 20210039312
    Abstract: A three-dimensional object model is divided into a plurality of slices that are targeted for an additive manufacturing process having a minimum printable feature size. For each of the slices, a thinning algorithm is applied to one or more contours of the slice to form a meso-skeleton, where topological features of the thinned slice that are smaller than the minimum printable feature size are reduced to skeletal paths. A corrected slice is formed using the meso-skeleton by sweeping the meso-skeleton with the minimum printable feature size. The corrected slices are assembled into a corrected object model and the corrected object model is used in the additive manufacturing process.
    Type: Application
    Filed: December 16, 2019
    Publication date: February 11, 2021
    Inventors: Erva Ulu, Nurcan Gecer Ulu, Walter Hsiao, Saigopal Nelaturi
  • Publication number: 20200394275
    Abstract: A method for designing microstructures includes receiving at least one material property constraint for a design of at least one microstructure, the at least one microstructure configured to be a part of a larger macrostructure. At least one neighborhood connectivity constraint for the design of the at least one microstructure is received. One or more designs of the at least one microstructure is generated using a generative adversarial network (GAN) that is based on the at least one material property constraint and the at least one neighborhood connectivity constraint.
    Type: Application
    Filed: June 14, 2019
    Publication date: December 17, 2020
    Inventors: Nurcan Gecer Ulu, Svytoslav Korneev, Saigopal Nelaturi
  • Publication number: 20200319628
    Abstract: A systematic approach to constructing process plans for hybrid manufacturing is provided. The process plans include arbitrary combinations of AM and SM processes. Unlike the suboptimal conventional practice, the sequence of AM and SM modalities is not fixed beforehand. Rather, all potentially viable process plans to fabricate a desired target part from arbitrary alternating sequences of pre-defined AM and SM modalities are explored in a systematic fashion. Once the state space of all process plans has been enumerated in terms of a partially ordered set of states, advanced artificial intelligence (AI) planning techniques are utilized to rapidly explore the state space, eliminate invalid process plans, for instance, process plans that make no physical sense, and optimize among the valid process plans using a cost function, for instance, manufacturing time and material or process costs.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 8, 2020
    Inventors: Morad Behandish, Saigopal Nelaturi, Johan de Kleer
  • Patent number: 10719069
    Abstract: A systematic approach to constructing process plans for hybrid manufacturing is provided. The process plans include arbitrary combinations of AM and SM processes. Unlike the suboptimal conventional practice, the sequence of AM and SM modalities is not fixed beforehand. Rather, all potentially viable process plans to fabricate a desired target part from arbitrary alternating sequences of pre-defined AM and SM modalities are explored in a systematic fashion. Once the state space of all process plans has been enumerated in terms of a partially ordered set of states, advanced artificial intelligence (AI) planning techniques are utilized to rapidly explore the state space, eliminate invalid process plans, for instance, process plans that make no physical sense, and optimize among the valid process plans using a cost function, for instance, manufacturing time and material or process costs.
    Type: Grant
    Filed: December 29, 2017
    Date of Patent: July 21, 2020
    Assignee: Palo Alto Research Center Incorporated
    Inventors: Morad Behandish, Saigopal Nelaturi, Johan de Kleer
  • Publication number: 20200209832
    Abstract: The present disclosure is directed to a method and system for hierarchical multi-scale design with the aid of a digital computer. A hierarchical representation of a shape and material distribution is constructed which satisfies a top-level constraint at a top-level of representation. Properties for families of designs at each of the lower levels of representation that satisfy additional constraints link each of the lower levels of representation to at least a next higher level of the representation.
    Type: Application
    Filed: December 31, 2018
    Publication date: July 2, 2020
    Inventors: Morad Behandish, Amir Mirzendehdel, Saigopal Nelaturi