Patents by Inventor Dirk Duesterberg
Dirk Duesterberg 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: 11880177Abstract: A controller for controlling an electric motor includes an interface having a first connection pole and a second connection pole, wherein the interface is designed to connect a measuring resistor and to connect a digital encoder. The controller is designed to evaluate a resistance value of the measuring resistor in order to monitor the temperature of the electric motor when the measuring resistor is connected to the interface, and the controller is designed to receive digital data from the digital encoder at the interface when the digital encoder is connected to the interface.Type: GrantFiled: February 5, 2019Date of Patent: January 23, 2024Assignee: Lenze Automation GmbHInventor: Dirk Duesterberg
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Publication number: 20220214651Abstract: A controller for controlling an electric motor includes an interface having a first connection pole and a second connection pole, wherein the interface is designed to connect a measuring resistor and to connect a digital encoder. The controller is designed to evaluate a resistance value of the measuring resistor in order to monitor the temperature of the electric motor when the measuring resistor is connected to the interface, and the controller is designed to receive digital data from the digital encoder at the interface when the digital encoder is connected to the interface.Type: ApplicationFiled: February 5, 2019Publication date: July 7, 2022Inventor: Dirk DUESTERBERG
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Publication number: 20220141287Abstract: A method transmits temporally successive datasets of a position sensor via an Ethernet network, wherein a respective dataset of the position sensor consists of a maximum of 4 bits. The method includes the steps of: continuous reading, by a reference component connected to the Ethernet network, of the datasets of the position sensor which are to be transmitted; and continuous writing, by the reference component, of a respective dataset to a 4-bit transmit register of a Media Independent Interface of the reference component.Type: ApplicationFiled: November 3, 2021Publication date: May 5, 2022Inventors: Dirk DUESTERBERG, Marc SOMMER
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Patent number: 11287790Abstract: A method for starting up a controller system having at least one electric controller and a plurality of hardware modules of different types which can be coupled to the controller. To each type of hardware module there is assigned a type-specific parameter set and a type-specific control program. A respective parameter set has a quantity of parameters with adjustable parameter values. The method has the steps of: coupling a hardware module to the controller, determining the type of the coupled hardware module by way of the controller, selecting the type-specific control program by way of the controller, and by way of the controller, selecting the type-specific parameter set as an adjustable parameter set.Type: GrantFiled: August 2, 2018Date of Patent: March 29, 2022Assignee: Lenze Automation GmbHInventors: Peter Hesse, Dirk Duesterberg, Thomas Gentzen
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Patent number: 10910956Abstract: A method is provided for operating a frequency converter, which is designed to drive a three-phase motor, wherein the frequency converter has three half-bridges each having at least two switches. The method includes the following steps: generating three phase voltages for the three-phase motor by a pulse width modulation, wherein, for the pulse width modulation, various switching patterns of the switches are activated, wherein specific star point voltages ensue for various groups of switching patterns; and in at least one operating state of the frequency converter, within a respective period of the pulse width modulation, activating only those switching patterns in which an identical star point voltage ensues.Type: GrantFiled: July 19, 2016Date of Patent: February 2, 2021Assignee: Lenze Automation GmbHInventors: Fritz Witte, Thomas Petersen, Dirk Duesterberg
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Patent number: 10879925Abstract: A method produces a digital signal from an analog signal. The method includes: producing a pulse-width-modulated actuation signal by a frequency converter, wherein the pulse-width-modulated actuation signal is produced over a number n of periods of the pulse width modulation such that the signal curve of the pulse-width-modulated actuation signal is identical in the respective periods; applying the actuation signal to a load; producing a bitstream with a predetermined bit repetition duration depending on an analog signal to be measured by a sigma-delta modulator, wherein the analog signal to be measured depends on the actuation signal and on the load, wherein a number m of bits are produced and stored with the predetermined bit repetition duration over a respective period of the pulse-width-modulated actuation signal; and summing corresponding bits of the respective periods in order to form the digital signal.Type: GrantFiled: August 18, 2017Date of Patent: December 29, 2020Assignee: Lenze Automation GmbHInventors: Andreas Wempe, Dirk Duesterberg
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Patent number: 10784889Abstract: An electric control device includes a first delta sigma modulator having a clock input connection, a second delta sigma modulator having a clock input connection, and an evaluation unit. The evaluation unit includes a first clock output connection which is connected to the clock input connection of the first delta sigma modulator by a first electrical cable, and a second clock output connection which is connected to the clock input connection of the second delta sigma modulator by a second electrical cable. The evaluation unit is designed to generate a clock signal (CLK1) at the first clock output connection (7) in phase opposition to a clock signal (CLK2) at the second clock output connection (9).Type: GrantFiled: July 9, 2018Date of Patent: September 22, 2020Assignee: Lenze Automation GmbHInventors: Dirk Duesterberg, Daniel Borowski, Andreas Burgermeister
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Patent number: 10705991Abstract: A circuit for generating a sampling signal for a UART interface has an input terminal designed to receive a peripheral clock, an output terminal designed to output the sampling signal, a bit rate memory designed to store a value corresponding to a desired bit rate of the UART interface, a peripheral clock memory designed to store a value corresponding to a frequency of the peripheral clock, a sum memory designed to store a sum value, and a computing unit. The computing unit compares a comparison value, which is dependent on the sum value stored in the sum memory, with a threshold value, which is dependent on the value stored in the peripheral clock memory. The result of the comparison is taken as a basis for generating the sampling signal at a first level or a second level.Type: GrantFiled: January 29, 2018Date of Patent: July 7, 2020Assignee: Lenze Automation GmbHInventor: Dirk Duesterberg
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Publication number: 20200192316Abstract: A method for starting up a controller system having at least one electric controller and a plurality of hardware modules of different types which can be coupled to the controller. To each type of hardware module there is assigned a type-specific parameter set and a type-specific control program. A respective parameter set has a quantity of parameters with adjustable parameter values. The method has the steps of: coupling a hardware module to the controller, determining the type of the coupled hardware module by way of the controller, selecting the type-specific control program by way of the controller, and by way of the controller, selecting the type-specific parameter set as an adjustable parameter set.Type: ApplicationFiled: August 2, 2018Publication date: June 18, 2020Inventors: Peter HESSE, Dirk DUESTERBERG, Thomas GENTZEN
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Publication number: 20200177198Abstract: An electric control device includes a first delta sigma modulator having a clock input connection, a second delta sigma modulator having a clock input connection, and an evaluation unit. The evaluation unit includes a first clock output connection which is connected to the clock input connection of the first delta sigma modulator by a first electrical cable, and a second clock output connection which is connected to the clock input connection of the second delta sigma modulator by a second electrical cable. The evaluation unit is designed to generate a clock signal (CLK1) at the first clock output connection (7) in phase opposition to a clock signal (CLK2) at the second clock output connection (9).Type: ApplicationFiled: July 9, 2018Publication date: June 4, 2020Inventors: Dirk DUESTERBERG, Daniel BOROWSKI, Andreas BURGERMEISTER
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Publication number: 20190384727Abstract: A circuit for generating a sampling signal for a UART interface has an input terminal designed to receive a peripheral clock, an output terminal designed to output the sampling signal, a bit rate memory designed to store a value corresponding to a desired bit rate of the UART interface, a peripheral clock memory designed to store a value corresponding to a frequency of the peripheral clock, a sum memory designed to store a sum value, and a computing unit. The computing unit compares a comparison value, which is dependent on the sum value stored in the sum memory, with a threshold value, which is dependent on the value stored in the peripheral clock memory. The result of the comparison is taken as a basis for generating the sampling signal at a first level or a second level.Type: ApplicationFiled: January 29, 2018Publication date: December 19, 2019Inventor: Dirk DUESTERBERG
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Publication number: 20190215006Abstract: A method produces a digital signal from an analog signal. The method includes: producing a pulse-width-modulated actuation signal by a frequency converter, wherein the pulse-width-modulated actuation signal is produced over a number n of periods of the pulse width modulation such that the signal curve of the pulse-width-modulated actuation signal is identical in the respective periods; applying the actuation signal to a load; producing a bitstream with a predetermined bit repetition duration depending on an analog signal to be measured by a sigma-delta modulator, wherein the analog signal to be measured depends on the actuation signal and on the load, wherein a number m of bits are produced and stored with the predetermined bit repetition duration over a respective period of the pulse-width-modulated actuation signal; and summing corresponding bits of the respective periods in order to form the digital signal.Type: ApplicationFiled: August 18, 2017Publication date: July 11, 2019Inventors: Andreas WEMPE, Dirk DUESTERBERG
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Patent number: 10348325Abstract: A measuring device includes a delta-sigma modulator configured to take an analog signal as a basis for generating a bit stream, and an evaluation unit that receives the bit stream from the delta-sigma modulator and evaluates the received bit stream. The measuring device has a single data transmission line, wherein the delta-sigma modulator is configured to transmit the bit stream to the evaluation unit via the single data transmission line using a transmit clock, and wherein the evaluation unit is configured to reconstruct the transmit clock and/or a phase of bits within the bit stream from the received bit stream and to extract the bits from the received bit stream based on the reconstructed transmit clock and/or based on the reconstructed phase.Type: GrantFiled: August 16, 2018Date of Patent: July 9, 2019Assignee: Lenze Automation GmbHInventor: Dirk Duesterberg
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Publication number: 20190058488Abstract: A measuring device includes a delta-sigma modulator configured to take an analog signal as a basis for generating a bit stream, and an evaluation unit that receives the bit stream from the delta-sigma modulator and evaluates the received bit stream. The measuring device has a single data transmission line, wherein the delta-sigma modulator is configured to transmit the bit stream to the evaluation unit via the single data transmission line using a transmit clock, and wherein the evaluation unit is configured to reconstruct the transmit clock and/or a phase of bits within the bit stream from the received bit stream and to extract the bits from the received bit stream based on the reconstructed transmit clock and/or based on the reconstructed phase.Type: ApplicationFiled: August 16, 2018Publication date: February 21, 2019Inventor: Dirk Duesterberg
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Publication number: 20180219493Abstract: A method is provided for operating a frequency converter, which is designed to drive a three-phase motor, wherein the frequency converter has three half-bridges each having at least two switches. The method includes the following steps: generating three phase voltages for the three-phase motor by a pulse width modulation, wherein, for the pulse width modulation, various switching patterns of the switches are activated, wherein specific star point voltages ensue for various groups of switching patterns; and in at least one operating state of the frequency converter, within a respective period of the pulse width modulation, activating only those switching patterns in which an identical star point voltage ensues.Type: ApplicationFiled: July 19, 2016Publication date: August 2, 2018Inventors: Fritz WITTE, Thomas PETERSEN, Dirk DUESTERBERG
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Patent number: 9270294Abstract: A method is provided for generating a digital signal from an analog signal generated using a frequency converter on the basis of pulse width modulation with a variable period duration, values of the digital signal corresponding to an average value of the analog signal over an associated period duration of the pulse width modulation.Type: GrantFiled: January 24, 2014Date of Patent: February 23, 2016Assignee: Lenze Automation GmbHInventors: Dirk Duesterberg, Heiko Stichweh
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Publication number: 20150365101Abstract: A method is provided for generating a digital signal from an analog signal generated using a frequency converter on the basis of pulse width modulation with a variable period duration, values of the digital signal corresponding to an average value of the analog signal over an associated period duration of the pulse width modulation.Type: ApplicationFiled: January 24, 2014Publication date: December 17, 2015Inventors: Dirk DUESTERBERG, Heiko STICHWEH
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Patent number: 8970417Abstract: A method is provided for generating a digital signal (DS) from an analog signal (IA, UA) generated by a frequency converter on the basis of pulse width modulation, wherein the digital signal corresponds to a mean value of the analog signal over a period of the pulse width modulation. The method includes the acts of: generating a bit stream (BS(i)) with a predetermined bit repetition duration (BW) depending on the analog signal by way of a sigma-delta modulator (1) and, during a time interval which has a duration which is at least as great as the period of the pulse width modulation: multiplying a respective bit (BS(i)) of the bit stream by a corresponding rating coefficient (BK(i)) for generating a respective bit/rating coefficient product and summing the respective bit/rating coefficient products, wherein the sum represents the digital signal.Type: GrantFiled: August 7, 2012Date of Patent: March 3, 2015Assignee: Lenze Automation GmbHInventors: Dirk Duesterberg, Holger Borcherding
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Publication number: 20140226709Abstract: A method is provided for generating a digital signal (DS) from an analog signal (IA, UA) generated by a frequency converter on the basis of pulse width modulation, wherein the digital signal corresponds to a mean value of the analog signal over a period of the pulse width modulation. The method includes the acts of: generating a bit stream (BS(i)) with a predetermined bit repetition duration (BW) depending on the analog signal by way of a sigma-delta modulator (1) and, during a time interval which has a duration which is at least as great as the period of the pulse width modulation: multiplying a respective bit (BS(i)) of the bit stream by a corresponding rating coefficient (BK(i)) for generating a respective bit/rating coefficient product and summing the respective bit/rating coefficient products, wherein the sum represents the digital signal.Type: ApplicationFiled: August 7, 2012Publication date: August 14, 2014Applicant: Lenze Automation GmbHInventors: Dirk Duesterberg, Holger Borcherding