Patents by Inventor Stephane Guguen
Stephane Guguen 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).
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Patent number: 11715589Abstract: An inductive filtering device includes a plurality of grouped electrical conductors and at least two toric magnetic cores, each formed around a central void, the two magnetic cores having different magnetic lengths, the electrical conductor being wound together around both magnetic cores by passing through the central voids of both magnetic cores.Type: GrantFiled: April 30, 2020Date of Patent: August 1, 2023Assignee: THALESInventors: Eric Ravindranath Dubois, Hocine Kherbouchi, Frédéric Lacaux, Damian Andrade, Stéphane Guguen
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Patent number: 11652381Abstract: A filtering of a load in an electrical architecture is provided. The load is equipped with power supply terminals allowing it to be connected to an electrical line of the architecture. The electrical architecture comprises, in addition to the connection to the electrical line and associated with each of the power supply terminals, an insulated electrical conductor connected, at a first of its ends, to the terminal under consideration, and not connected at a second of its ends.Type: GrantFiled: December 16, 2020Date of Patent: May 16, 2023Assignee: THALESInventors: Eric Ravindranath Dubois, Hocine Kherbouchi, Stéphane Guguen, Kamel El Koraichi
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Patent number: 11632037Abstract: A protective device intended to protect a power converter, the protective device includes a set of at least one sensor, each sensor in the set of at least one sensor making it possible to deliver a measurement representative of the instantaneous current delivered at the output of a power converter on a phase in the set of at least one phase, a protective device receiving the measurement representative of the instantaneous current delivered by the set of at least one sensor and connected to a control device and to the power converter such that the commands delivered by the control device are transmitted to the power converter via the protective device, the protective device being configured to inhibit the commands delivered by the control device when the absolute value of the measurement representative of the instantaneous current and delivered by at least one sensor in the set of at least one sensor exceeds a predetermined first threshold S1 such that the power switches of the power converter are kept in theType: GrantFiled: July 28, 2021Date of Patent: April 18, 2023Assignee: THALESInventors: Hocine Kherbouchi, Eric Ravindranath Dubois, Stéphane Guguen, Bruno Sadeg
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Patent number: 11509245Abstract: An architecture for an aircraft comprises two air-conditioning systems, two converters, each intended to supply one of the air-conditioning systems, and at least one first electric machine which starts up a first main engine of the aircraft. The electrical architecture is configured such that the two converters can together supply the first electric machine. A method of operating the architecture is also provided.Type: GrantFiled: June 20, 2019Date of Patent: November 22, 2022Assignee: THALESInventors: Frédéric Lacaux, Stéphane Guguen, Amira Maalouf
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Publication number: 20220037990Abstract: A protective device intended to protect a power converter, the protective device includes a set of at least one sensor, each sensor in the set of at least one sensor making it possible to deliver a measurement representative of the instantaneous current delivered at the output of a power converter on a phase in the set of at least one phase, a protective device receiving the measurement representative of the instantaneous current delivered by the set of at least one sensor and connected to a control device and to the power converter such that the commands delivered by the control device are transmitted to the power converter via the protective device, the protective device being configured to inhibit the commands delivered by the control device when the absolute value of the measurement representative of the instantaneous current and delivered by at least one sensor in the set of at least one sensor exceeds a predetermined first threshold S1 such that the power switches of the power converter are kept in theType: ApplicationFiled: July 28, 2021Publication date: February 3, 2022Inventors: Hocine KHERBOUCHI, Eric Ravindranath DUBOIS, Stéphane GUGUEN, Bruno SADEG
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Publication number: 20220028594Abstract: An inductive filtering device includes a magnetic core at least one electrical cable wound around the magnetic core so as to form at least one turn, the electrical cable being intended to convey an electrical signal possessing at least one undesirable AC component superposed on a fundamental frequency of the electrical signal, and an electrically conductive screen that is electrically insulated from its environment, the screen being placed between the magnetic core and the electrical cable so as to allow, in the screen, via electromagnetic induction, a current to be generated the frequency of which is higher than the fundamental frequency, the screen being configured so as not to allow a current to flow in a direction parallel to that of the one or more turns formed by the winding of the electrical cable around the magnetic core.Type: ApplicationFiled: July 22, 2021Publication date: January 27, 2022Inventors: Eric Ravindranath DUBOIS, Hocine KHERBOUCHI, Stéphane GUGUEN
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Publication number: 20210226500Abstract: A filtering of a load in an electrical architecture is provided. The load is equipped with power supply terminals allowing it to be connected to an electrical line of the architecture. The electrical architecture comprises, in addition to the connection to the electrical line and associated with each of the power supply terminals, an insulated electrical conductor connected, at a first of its ends, to the terminal under consideration, and not connected at a second of its ends.Type: ApplicationFiled: December 16, 2020Publication date: July 22, 2021Inventors: Eric Ravindranath DUBOIS, Hocine KHERBOUCHI, Stéphane GUGUEN, Kamel EL KORAICHI
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Patent number: 10862665Abstract: A method and device for transmitting data reliably to at least one item of equipment is provided, wherein: from its initial clock H1, an item of equipment generates at least one first clock H1U from a rising edge of the initial clock H1 with a frequency F1U and a second clock H1D from a falling edge of the initial clock H1, with a frequency F1D, the item of equipment: reads the received data using at least one first rising edge of H1U and one falling edge consecutive to the first rising edge of H1U, then reads the received data using a first rising edge of H1D and a falling edge consecutive to the first rising edge of H1D, the four clock edges used being consecutive by 2F1, decodes at least the four messages using an error-correcting code, when at least one decoded message is correct, it uses the information contained in this message to drive a device linked to said item of equipment.Type: GrantFiled: October 29, 2019Date of Patent: December 8, 2020Assignee: THALESInventors: Damián Andrade Alfonseca, Tony Teixeira, Stéphane Guguen
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Publication number: 20200350109Abstract: An inductive filtering device includes a plurality of grouped electrical conductors and at least two toric magnetic cores, each formed around a central void, the two magnetic cores having different magnetic lengths, the electrical conductor being wound together around both magnetic cores by passing through the central voids of both magnetic cores.Type: ApplicationFiled: April 30, 2020Publication date: November 5, 2020Inventors: Eric Ravindranath DUBOIS, Hocine KHERBOUCHI, Frédéric LACAUX, Damian ANDRADE, Stéphane GUGUEN
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Patent number: 10826409Abstract: An electrical architecture for controlling inverters and to an aircraft includes the architecture. The electrical architecture comprises: a plurality of converters capable of operating independently of one another, each converter being intended to power a charge, associated with each converter/charge pair: a charging loop, comprising at least one sensor measuring a parameter that is characteristic of the operation of the charge, an operation control module, receiving an operation setpoint of the charge and information originating from the operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the operation sensor follows the operation setpoint. The operation control module is common to the converters.Type: GrantFiled: March 8, 2019Date of Patent: November 3, 2020Assignee: THALESInventors: Frédéric Lacaux, Stéphane Guguen, Joël Devautour
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Patent number: 10771229Abstract: Method and system for synchronizing a plurality of pieces of equipment, wherein it includes at least the following steps: in each equipment generating the command signal, computing a value of the difference ?H between a reference-clock value Hm and the local clock Hi of an equipment, on detecting a phase shift ?H between the reference-clock value and the value of a local clock, when the value of the phase shift ?H between the local clock and the reference clock corresponds to one refresh cycle of the reference clock Hm, a corrected clock time Hic is defined by repeating a number of the clock signal of given parity if the value of the local clock is early and a corrected clock time is defined by skipping one number of the clock signal of opposite parity to the first parity if the local clock value is late, when the value of the phase shift ?H is higher than one refresh cycle, the method resets the reference time, a corrected value of the clock in each equipment is used to emit the command signal.Type: GrantFiled: August 29, 2019Date of Patent: September 8, 2020Assignee: THALESInventors: Damian Andrade Alfonseca, Tony Teixeira, Stéphane Guguen
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Publication number: 20200136794Abstract: A method and device for transmitting data reliably to at least one item of equipment is provided, wherein: from its initial clock H1, an item of equipment generates at least one first clock H1U from a rising edge of the initial clock H1 with a frequency F1U and a second clock H1D from a falling edge of the initial clock H1, with a frequency F1D, the item of equipment: reads the received data using at least one first rising edge of H1U and one falling edge consecutive to the first rising edge of H1U, then reads the received data using a first rising edge of H1D and a falling edge consecutive to the first rising edge of H1D, the four clock edges used being consecutive by 2F1, decodes at least the four messages using an error-correcting code, when at least one decoded message is correct, it uses the information contained in this message to drive a device linked to said item of equipment.Type: ApplicationFiled: October 29, 2019Publication date: April 30, 2020Inventors: Damián ANDRADE ALFONSECA, Tony TEIXEIRA, Stéphane GUGUEN
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Publication number: 20200076566Abstract: Method and system for synchronizing a plurality of pieces of equipment, wherein it includes at least the following steps: in each equipment generating the command signal, computing a value of the difference ?H between a reference-clock value Hm and the local clock Hi of an equipment, on detecting a phase shift ?H between the reference-clock value and the value of a local clock, when the value of the phase shift ?H between the local clock and the reference clock corresponds to one refresh cycle of the reference clock Hm, a corrected clock time Hic is defined by repeating a number of the clock signal of given parity if the value of the local clock is early and a corrected clock time is defined by skipping one number of the clock signal of opposite parity to the first parity if the local clock value is late, when the value of the phase shift ?H is higher than one refresh cycle, the method resets the reference time, a corrected value of the clock in each equipment is used to emit the command signal.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Inventors: Damian ANDRADE ALFONSECA, Tony TEIXEIRA, Stéphane GUGUEN
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Publication number: 20190393809Abstract: An architecture for an aircraft comprises two air-conditioning systems, two converters, each intended to supply one of the air-conditioning systems, and at least one first electric machine which starts up a first main engine of the aircraft. The electrical architecture is configured such that the two converters can together supply the first electric machine. A method of operating the architecture is also provided.Type: ApplicationFiled: June 20, 2019Publication date: December 26, 2019Inventors: Frédéric LACAUX, Stéphane GUGUEN, Amira MAALOUF
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Publication number: 20190280617Abstract: An electrical architecture for controlling inverters and to an aircraft includes the architecture. The electrical architecture comprises: a plurality of converters capable of operating independently of one another, each converter being intended to power a charge, associated with each converter/charge pair: a charging loop, comprising at least one sensor measuring a parameter that is characteristic of the operation of the charge, an operation control module, receiving an operation setpoint of the charge and information originating from the operation sensor, the operation control module controlling a current setpoint of the considered converter so that the information originating from the operation sensor follows the operation setpoint. The operation control module is common to the converters.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Inventors: Frédéric LACAUX, Stéphane GUGUEN, Joël DEVAUTOUR
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Patent number: 9954465Abstract: A dynamic limitation device of a dynamic output parameter of an electric motor capable of receiving a working setpoint comprises: a generator of a dynamic maximum current proportional to a first working setpoint of the motor to supply the motor to generate a rotating torque of a shaft of the electric motor as a function of the first setpoint, a first estimator of a first dynamic output parameter of the electric motor, and a first dynamic limiter of the first output parameter of the motor, which comprises: a first comparator of the value of the first estimated parameter with a predefined maximum value of the first parameter, a first corrector to generate a first correction current, the value of which depends on the result of the comparison to be added to the dynamic maximum current to supply the motor. A dynamic limitation method implementing this device is provided.Type: GrantFiled: October 24, 2016Date of Patent: April 24, 2018Assignee: THALESInventor: Stéphane Guguen
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Patent number: 9692338Abstract: A vector control driving device is provided for an electric motor receiving an operating setpoint, with stator windings receiving a driving current and producing a rotating magnetic field, the windings generating a voltage at terminals of the motor, a rotor producing a magnetic field to follow the rotating magnetic field, the device generating current in a vector domain, and configured to carry out a transform of the current from the vector domain to a real domain allowing for generation of the driving current, and configured to carry out an inverse transform of a parameter measured in the real domain on the stator windings into a transform of the parameter in the vector domain, and comparing the value of the inverse transform of the parameter with a predefined maximum parameter value, which can drive the generating of the current in the vector domain. An automatic and adaptive defluxing method is provided.Type: GrantFiled: October 15, 2015Date of Patent: June 27, 2017Assignee: THALESInventors: Stéphane Guguen, Arnaud Dal, Thomas Girier
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Publication number: 20170126151Abstract: A dynamic limitation device of a dynamic output parameter of an electric motor capable of receiving a working setpoint comprises: a generator of a dynamic maximum current proportional to a first working setpoint of the motor to supply the motor to generate a rotating torque of a shaft of the electric motor as a function of the first setpoint, a first estimator of a first dynamic output parameter of the electric motor, and a first dynamic limiter of the first output parameter of the motor, which comprises: a first comparator of the value of the first estimated parameter with a predefined maximum value of the first parameter, a first corrector to generate a first correction current, the value of which depends on the result of the comparison to be added to the dynamic maximum current to supply the motor. A dynamic limitation method implementing this device is provided.Type: ApplicationFiled: October 24, 2016Publication date: May 4, 2017Inventor: Stéphane GUGUEN
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Patent number: 9527460Abstract: A modular rack intended for an aircraft includes a set of electrical machines each equipped with a position sensor including inverters, a supervision member, a first communication channel to transmit to each of the inverters the inverter setpoint determined by the supervision member, and a second communication channel to transmit a position information item to each of the inverters, each of the inverters including a way to generate an electrical signal as a function of the inverter setpoint and of the position information transmitted by the supervision member. The first and second communication channels include a single link for the supervision member and the inverters, and transmitting both the inverter setpoints and the position information items.Type: GrantFiled: January 17, 2014Date of Patent: December 27, 2016Assignee: ThalesInventors: Arnaud Dal, Stéphane Guguen, Tony Texeira
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Publication number: 20160111992Abstract: A vector control driving device is provided for an electric motor receiving an operating setpoint, with stator windings receiving a driving current and producing a rotating magnetic field, the windings generating a voltage at terminals of the motor, a rotor producing a magnetic field to follow the rotating magnetic field, the device generating current in a vector domain, and configured to carry out a transform of the current from the vector domain to a real domain allowing for generation of the driving current, and configured to carry out an inverse transform of a parameter measured in the real domain on the stator windings into a transform of the parameter in the vector domain, and comparing the value of the inverse transform of the parameter with a predefined maximum parameter value, which can drive the generating of the current in the vector domain. An automatic and adaptive defluxing method is provided.Type: ApplicationFiled: October 15, 2015Publication date: April 21, 2016Inventors: Stéphane GUGUEN, Arnaud DAL, Thomas GIRIER