WO2023031463A9 - Système et procédé de suppression prédictive d'interférence électromagnétique de systèmes électroniques de puissance - Google Patents

Système et procédé de suppression prédictive d'interférence électromagnétique de systèmes électroniques de puissance Download PDF

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WO2023031463A9
WO2023031463A9 PCT/EP2022/074640 EP2022074640W WO2023031463A9 WO 2023031463 A9 WO2023031463 A9 WO 2023031463A9 EP 2022074640 W EP2022074640 W EP 2022074640W WO 2023031463 A9 WO2023031463 A9 WO 2023031463A9
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Prior art keywords
interference
sensor
electromagnetic interference
prediction
electromagnetic
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PCT/EP2022/074640
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German (de)
English (en)
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WO2023031463A1 (fr
WO2023031463A8 (fr
Inventor
Andreas BENDICKS
Stephan Frei
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Technische Universität Dortmund
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Publication of WO2023031463A1 publication Critical patent/WO2023031463A1/fr
Publication of WO2023031463A9 publication Critical patent/WO2023031463A9/fr
Publication of WO2023031463A8 publication Critical patent/WO2023031463A8/fr

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0012—Control circuits using digital or numerical techniques
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/12—Arrangements for reducing harmonics from ac input or output
    • H02M1/123—Suppression of common mode voltage or current

Definitions

  • the invention relates to the technical field of predictive suppression of electromagnetic interference.
  • the invention relates to the predictive suppression of electromagnetic interference from power electronic systems.
  • Power electronic systems can cause significant electromagnetic interference due to the underlying switching processes.
  • the use of synthesized anti-interference signals is proposed in the prior art. If the interference is periodic over a sufficient period of time, stable harmonics occur in the frequency range. To suppress these harmonics, a respective sinusoidal signal can be generated, which is adjusted in amplitude and phase in such a way that there is complete destructive interference. Delay times during injection can be compensated for by phase shifts. Compared to active filters, delayed signal paths can be systematically compensated, which can significantly improve the effectiveness of interference suppression. The necessary amplitudes and phases can, for example, analytically or be determined adaptively. By superimposing the sinusoidal signals found, a broadband anti-interference signal can be generated, which can suppress a very high number of harmonics.
  • the publication DE 102018001051 A1 describes a method for reducing an electromagnetic interference signal from an interference source formed by an electronic system clocked at a frequency by active negative feedback.
  • sinusoidal signals with the frequency of the respective harmonics are synthesized for any selection of harmonics of the clocked control comprising at least a single harmonic the sinusoidal signals formed counter-interference signal with the interference signal at a selected reference measuring point by destructive interference comes to an extensive cancellation of the respective frequency components of the electromagnetic interference signal.
  • the object of the invention is achieved by a device for the predictive suppression of electromagnetic interference from power electronic systems, the device comprising: a digital counter-interference system, the digital counter-interference system comprising at least one interference predictor and one counter-interference synthesizer, where the interference predictor is set up in such a way that it detects at least one item of information for predicting electromagnetic interference in a power electronic system and is further set up in such a way that it creates a prediction of the electromagnetic interference and transmits it to the anti-interference synthesizer, the anti-interference synthesizer is set up in such a way that a suitable anti-interference signal is displayed To synthesize the basis of the prediction of the electromagnetic disturbance of the disturbance predictor, the device further comprises at least one injector, the injector being set up in such a way that the synthesized counter-interference signal is correctly timed to couple into an overall system to be suppressed.
  • the interference predictor is set up in such a way that it detects at least one item of information for predicting
  • the injector comprises at least one capacitor, one coil and/or one transformer for coupling the anti-interference signal into the overall system.
  • the interference predictor is set up in such a way that it detects at least one piece of controller information from a device for controlling the power electronic system as information for predicting the electromagnetic interference.
  • Controller information can be, for example, operating variables, future control signals, actual and/or setpoint values of the electronic power system.
  • the regulation of the electronic power system sets, for example, control signals in such a way that the operating variables (actual variables) follow the external target values, if applicable.
  • the device comprises a first sensor, the first sensor being arranged after the electronic power system and being set up in such a way to detect electromagnetic interference in the electronic power system and the interference predictor being set up in such a way that the First sensor to detect faults in the power electronic system as information for a prediction of an electromagnetic interference.
  • the disturbance predictor gets to know the system and can predict future disturbances on the basis of characteristic changes in the disturbances.
  • the interference predictor can adapt to the real system. Changes in the overall system can be compensated for by successive optimization of the prediction parameters. For example, it is possible to react to temperature drift, aging or changed impedance conditions by switching external components on or off.
  • the first sensor includes a decoupling element, wherein the decoupling element includes at least one capacitor and/or a coil and is set up in such a way to decouple the first sensor from the injector and the counter-interference system.
  • the decoupling element includes at least one capacitor and/or a coil and is set up in such a way to decouple the first sensor from the injector and the counter-interference system. This ensures that the sensor is only slightly influenced by the injector or the anti-interference system.
  • capacitors and/or coils can be used for this.
  • the device comprises a device for adjusting the prediction of an electromagnetic interference, the device for adjusting the prediction of an electromagnetic interference being arranged between the first sensor and the interference predictor and being set up in such a way that the prediction of an electromagnetic interference of the Adjust disturbance predictor by evaluating a detected by the first sensor occurred disturbance of the power electronic system.
  • the device for adapting the prediction of an electromagnetic disturbance can be understood in particular as an optimizer that optimizes the prediction.
  • the counter-interference synthesizer is set up in such a way that it can be adapted using synthesis parameters.
  • the digital counter-interference system includes a second sensor, the second sensor being arranged behind the injector and set up in such a way after the coupling of the synthesized anti-noise signal to detect residual electromagnetic interference, the digital anti-noise system comprising a device for adjusting the synthesis of a suitable anti-noise signal, wherein the Device for adapting the synthesis of a suitable counter-interference signal is arranged between the second sensor and the counter-interference synthesizer and is set up in such a way that the residual electromagnetic interference detected by the second sensor is provided as synthesis parameters for the counter-interference synthesizer and the counter-interference synthesizer is adapted using the synthesis parameters.
  • the advantage here is that the residual interference at the second sensor can thus be used as feedback in order to optimize the synthesis parameters for the counter interference signal. Residual disturbances should be minimized.
  • This optimization includes, for example, the compensation of time constants or transfer functions or the correction of the injection time so that interference and counter-interference occur as simultaneously as possible (compensation of signal propagation times).
  • the device comprises at least one analog/digital converter and/or a digital/analog converter for coupling the digital anti-interference system to the overall system.
  • the object of the invention is achieved by a method for predictively suppressing electromagnetic interference from electronic power systems, the method comprising the following steps: a) providing a device for predictively suppressing electromagnetic interference from electronic power systems according to claim 1, b ) detecting at least one piece of information for predicting electromagnetic interference using the interference predictor, c) predicting electromagnetic interference using the interference predictor, d) synthesizing a suitable anti-interference signal using the anti-interference synthesizer, the anti-interference synthesizer generating an anti-interference signal based on the prediction of the electromagnetic interference synthesized, e) Coupling of the anti-interference signal into the overall system by means of the injector, with the coupling taking place at a point in time that is correct for maximum destructive interference with the disturbance.
  • the step of acquiring at least one item of information for a prediction of an electromagnetic interference by means of the interference predictor also includes one of the following steps: f) Acquiring at least one piece of controller information of a device for controlling the power device electronic system by means of the Störprediktors as information for a prediction of an electromagnetic disturbance or the device comprises a first sensor, wherein the first sensor is arranged after the power electronic system, and the method comprises the following step: g) detecting an electromagnetic disturbance of the power electronic system by means of the first sensor as information for a prediction of an electromagnetic interference.
  • the device comprises an electromagnetic interference prediction adjustment device
  • the method comprises the following additional step: h) adjusting the electromagnetic interference predictions by means of the electromagnetic interference prediction adjustment device Evaluation of an electromagnetic disturbance that has occurred in the power electronic system and is detected by the first sensor.
  • the device includes a second sensor, the second sensor being arranged behind the injector, and the method including the following additional steps: i) detecting a remaining residual interference after the counter-interference signal has been coupled into the overall system by means of the second sensor, the anti-interference synthesizer can be adjusted using synthesis parameters, the digital anti-interference system comprises a device for adjusting the synthesis of an appropriate anti-interference signal, the method comprises the following additional steps: j) providing synthesis parameters for the anti-interference synthesizer based on those detected by the second sensor , remaining residual interference by means of the device for adapting the synthesis of a suitable anti-interference signal, k) adapting the anti-interference synthesizer on the basis of the synthesis parameters.
  • FIG. 1 shows a block diagram of a device for the predictive suppression of electromagnetic interference from power electronic systems according to an embodiment of the invention
  • Fig. 7 shows a diagram of a periodic PWM signal
  • 11 shows a diagram of the remaining interference spectra at the interference sink for three compensation factors
  • 12 shows a block diagram of a device for the predictive suppression of electromagnetic interference using synthesized, modulated anti-interference signals according to an embodiment of the invention
  • FIG. 13 shows a block diagram of a device for the predictive suppression of electromagnetic interference using synthesized, time-varying PWM signals according to a further exemplary embodiment of the invention.
  • FIG. 1 shows a block diagram of a device for the predictive suppression of electromagnetic interference 2 in power electronic systems 1 according to a first exemplary embodiment of the invention.
  • the power electronic system 1 first shows a power electronic system 1, the power electronic system 1 being shown with only two terminals (one gate/port) for the sake of simplification. In principle, however, the power electronic system 1 can have any number of terminals/gates/ports.
  • the power electronic system 1 is the source of electromagnetic interference 2.
  • the power electronic system 1 also includes a device for controlling the power electronic system 4.
  • the device 4 adjusts control signals 5, for example, in such a way that the operating variables 6 (actual variables) .Follow external setpoints 7.
  • an external specification can be the rotational frequency of the rotor of a motor, with this frequency being regulated by setting the control signals 5 for the power semiconductors.
  • Other examples of external specifications are e.g. the torque for motor inverters or output voltages for DC/DC converters.
  • An interference sink 21 is also shown in FIG. It forms the electromagnetic environment of the device or the entire system, eg the wiring harness in a motor vehicle. It is important to prevent the interference 2 generated by the power electronic system 1 from reaching the interference sink 21 arrive.
  • a digital counter-interference system 3 is provided, the digital counter-interference system 3 comprising at least one interference predictor 12 and a counter-interference synthesizer 13 .
  • the anti-interference system 3 can be applied to any number of terminals/gates/ports.
  • the interference predictor 12 is set up in such a way that information 22 , 23 for a prediction of electromagnetic interference 2 in a power electronic system 1 is recorded, a prediction of the electromagnetic interference 2 is made and the counter interference synthesizer 13 is transmitted.
  • the disturbance predictor 12 thus supplies predictions of the disturbances 2 in real time. It can also be provided that the prediction can be adjusted using parameters.
  • controller information 22 for example operating variables 6
  • future control signals 5 and/or desired values 7 can be used for the prediction.
  • the device includes a first sensor 8.
  • the first sensor 8 is arranged downstream of the electronic power system 1 and set up in such a way that electromagnetic interference 2 in the electronic power system 1 is detected.
  • the interference predictor 12 detects the electromagnetic interference 2 detected by the first sensor 8 as information 23 for a prediction of the electromagnetic interference 23.
  • the device for adapting the prediction of the electromagnetic interference 10 is used to adapt the prediction of an electromagnetic interference 2 of the interference predictor 12 by evaluating a fault 2 that has occurred in the power electronic system 1 and is detected by the first sensor 8 .
  • the first sensor 8 can, for example, be adapted to the device for adapting the prediction of an electromagnetic interference 10 by means of an analog/digital converter 9 .
  • the first sensor 8 and the device for adapting the prediction of an electromagnetic disturbance 10 are thus used to observe the disturbances 2 that actually occur. This information can be used to improve the prediction strategy of the noise predictor 12 over time.
  • the noise predictor 12 thus adapts to the real system.
  • the anti-interference synthesizer 13 then synthesizes a suitable anti-interference signal 14 based on the prediction of the electromagnetic interference of the interference predictor 12.
  • the anti-interference synthesizer 13 can be adapted, for example, by means of synthesis parameters.
  • the digital counter-interference system 3 includes a second sensor 17.
  • the second sensor 17 is arranged behind the injector 16 and detects the residual electromagnetic interference 19 remaining after the counter-interference signal 14 has been coupled in.
  • the digital counter-interference system 3 includes a device for adjusting the Synthesis of a suitable anti-noise signal 20, the device 20 being arranged between the second sensor 17 and the anti-noise synthesizer 13.
  • the device 20 provides the residual electromagnetic interference 19 detected by the second sensor 17 as synthesis parameters for the anti-interference synthesizer 13 in order to adapt the anti-interference synthesizer 13 by means of the synthesis parameters.
  • This form of optimization includes, for example, the compensation of time constants and transfer functions and the correction of the injection time so that interference and counter-interference occur as simultaneously as possible, which compensates for signal propagation times.
  • the injector 16 couples the synthesized counter-interference signal 14 at the correct time into an overall system to be suppressed. This can be done, for example, by capacitors, coils and/or transformers.
  • the interference prediction can be adapted by evaluating the electromagnetic interference 2 that has actually occurred. This can be done, for example, on the basis of a prediction based on control signals 5, operating variables 6 and/or target values 7 of power electronic system 1. A prediction can also be made on the basis of previous operation of the power electronic system 1 .
  • the interference predictor 12 and the anti-interference synthesizer 13 can be implemented, for example, on the basis of circuit simulations, network theories (eg multi-port theory), abstract/mathematical models and transfer functions.
  • Other ways of implementing the Interference predictors are, for example, (adaptive) FIR filters, (adaptive) IIR filters, (adaptive) notch filters (possibly several in parallel), and also frequency domain methods.
  • the interference predictor can also be implemented, for example, using artificial intelligence, for example using neural networks.
  • the optimization of the prediction parameters for the disturbances and the optimization of the synthesis parameters for the counter-interference signal can be based on least-mean-squares algorithms, regression, search algorithms, heuristics, genetic algorithms, particle swarm optimization or gradients - Climbing procedures are implemented.
  • a so-called power factor correction is considered below for a concrete application example of the invention.
  • a power factor correction 26 (English: Power Factor Correction, PFC) is a typical input stage of devices which are operated on the power grid.
  • the PFC uses suitable control loops to draw current that has the same waveform and phase position as the mains voltage. This leads to a minimization of the reactive and distortion power and to a maximization of the eponymous power factor.
  • the output of the PFC is usually a DC voltage.
  • Transistors that switch at high frequencies are usually used in PFCs. These switching processes cause electromagnetic interference, which can be both conducted and radiated. These interference signals can impair the function of other devices. For example, radio and communication systems are typical sources of interference.
  • the PFC described is a circuit in which the disturbances change over the course of a mains period. This means that there is no stationary state (relative to one mains period). This circumstance must be taken into account in the signal synthesis in order to enable successful interference suppression.
  • CCM Boost PFC Continuous Conduction Mode
  • a current artificial mesh 25 introduced. This represents a defined terminating impedance for the interference.
  • the push-pull interference u DM (t) (Differential Mode, DM) is considered, which develops between the supply lines (L and N).
  • the method can also be applied to the other interference modes (e.g. common-mode interference, interference on individual lines compared to PE, radiated interference).
  • a PFC is considered here that is only fed from one phase of the power grid.
  • the method presented here can also be applied to multi-phase topologies.
  • the power factor correction 26 follows after the power network simulation 25.
  • the PFC has a bridge rectifier at the start, which rectifies the mains voltage
  • the DC link voltage U ZK is present at the output.
  • the PFC usually includes two control circuits that set the duty cycle of the switching transistor.
  • the first control circuit ensures a constant output voltage at the intermediate circuit U ZK .
  • the second control loop takes care of for a sinusoidal and phase-correct current draw from the power grid.
  • the pulse duty factor d(t) which changes over time, is essentially determined by the voltage control circuit, which results from the voltage transformation ratio of the step-up converter:
  • the current control circuit ensures a slight change in this duty cycle. Therefore, this is neglected in the consideration of interference emissions.
  • Typical curves are shown in FIG. 4 (a very low switching frequency was chosen for illustration).
  • the mains voltage u mains (t) is rectified, from which the voltage
  • the curve for the pulse duty factor d(t) follows from (1).
  • the pulse duty factor is compared with a sawtooth signal x(t) to generate the drive signal for the transistor. When the sawtooth signal is below the duty cycle curve, the transistor turns on.
  • the voltage u PWM (t) is therefore ideally at 0 V. If the sawtooth signal is above the duty cycle, the transistor is switched off and u PWM (t) ideally corresponds to the DC link voltage U ZK .
  • the simplified equivalent circuit diagram corresponding to FIG. 3 is considered, in which the inductances and capacitances of the simulated power grid are assumed to be infinitely large and infinitely small, respectively.
  • the bridge rectifier only slightly dampens the high-frequency interference and can therefore be neglected.
  • the transistor, the diode and the intermediate circuit capacitor can be represented by a PWM voltage source.
  • the disturbances in the vehicle electrical system simulation are determined.
  • the anti-interference source u Anti (t) is constantly set to 0 V.
  • the transfer function from the interference source U PWM (f) to the interference sink U DM (f) is defined by (2).
  • the spectrum of the differential mode interference can thus be calculated using (3) from the spectrum of the PWM signal U PWM (f) of the switching transistors.
  • the spectrum U P WM (f) can be obtained from u PWM (t) using a fast Fourier transformation, for example.
  • This interference spectrum is shown for the first ten switching harmonics in Fig. 5 (above) (a standard switching frequency was selected here). If, for example, the interference spectrum is examined more closely for the first harmonic (Fig. 5 below), the modulation of the harmonic with twice the mains frequency (double the mains frequency due to rectification) can be detected. Sideband harmonics with a distance of 2f mains form around the actual switching harmonic. If there is no perfect symmetry of the positive and negative half-wave, sideband harmonics with a spacing of the simple mains frequency f mains also occur.
  • the spectrum of the differential mode interference U DM (f) which was determined using (3) is shown in FIG.
  • the push-pull interference U DM (f) is lower than the PWM signal of the switching transistors U PWM (f) (compare FIG. 5), since the storage inductor L and the backup capacitor C ensure a first low-pass filtering.
  • the qualitative curve with regard to the sideband harmonics bottom of FIG. 6) is largely unchanged.
  • the first method is represented by active filters, which generate the opposing signal directly from the measured disturbances. Since this results in unavoidable delay times, the effectiveness of the method (particularly at high frequencies) is limited.
  • the PFC is synchronized to the power grid and the switching pattern repeats itself periodically with the grid frequency, it is possible to generate a sinusoidal signal for each switching and sideband harmonic and to adjust the amplitude and phase in such a way that the corresponding spectral frequencies are canceled.
  • this method is considered to be (time) consuming, since the number of interfering spectral frequencies due to the sideband harmonics is very high.
  • the synchronization of the PFC to the power grid and the requirement for a PWM signal that is periodic with the grid frequency also cause additional work.
  • the interference cancellation is described in an exemplary embodiment of the invention using a predictively modulated sinusoidal signal. For illustration, consider the Fourier series of a periodic PWM signal as shown in FIG.
  • the modulated sinusoidal signal is basically suitable for suppressing the electromagnetic interference from the PFC.
  • the signals that have to be canceled are the push-pull interference U DM (f).
  • the signal U PWM (f) must not be extinguished because it is required for the function of the PFC.
  • the transfer function H Anti (f) results from Fig. 4 by setting the interference source u PWM (t) to a constant 0 V:
  • the anti-interference signal U Anti (f) is to be generated from the modulated sinusoidal signal U mod,k (f) for each switching harmonic (and its sideband harmonics). To compensate for the transfer functions H sturgeon (f) and H anti (f), the modulated sinusoidal signal U mod,k (f) must be replaced by a constant factor
  • U anti (f) X comp,k U mod,k(f) (12)
  • FIG. 12 shows a possible realization of an embodiment of the invention with digital signal processing hardware.
  • the main input variables are the sawtooth signal x(t), the mains voltage u mains (t) and the DC link voltage U ZK . According to FIG.
  • the transfer function H Anti (f) is also represented here as an impulse response h Anti (t).
  • the superimposition of the interference and counter-interference results in the remaining interference u res (t).
  • the adaptation can be carried out by the counter-interference system itself or by an external trainer.
  • the adjustments can be carried out continuously over time, at intervals or also at one-off/individual points in time.
  • One possibility is to use an optimizer that adjusts the amplitude and phase to minimize the remaining disturbances u res (t).
  • the theory of narrow-band adaptive filters can be used to implement this.
  • the adaptive method can also adjust the signal shape.
  • It is also possible to determine the compensation factors by means of an analytical calculation (as indicated in the previous chapter).
  • FPGAs, DSPs, microcontrollers or even specially developed ASICs are suitable as digital hardware.
  • FIG. 13 shows a further possible implementation of an embodiment of the invention for broadband suppression using synthesized, time-varying PWM signals. shows.
  • the digital structure from FIG. 12 can be implemented for each switching harmonic to be considered. However, this can result in high resource requirements for the digital hardware.
  • the broadband signal u PWM ( t ) can be predictively synthesized in the digital system. This is necessary because a simple measurement of the signal u PWM (t) would result in a systematic delay time that limits the effectiveness of the method.
  • the synthesis can take place analogously to FIG. 4 in the digital system. This can result in less effort if a large frequency range with many switching harmonics (including sideband harmonics) is to be suppressed.
  • the impulse response y comp (t) is implemented in the digital system. In this case, it can be realized, for example, by FIR or IIR filters.
  • the coefficients can be determined using the same methods as X comp,k .
  • u PWM (t) can also be predictively synthesized here.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Noise Elimination (AREA)
  • Radar Systems Or Details Thereof (AREA)

Abstract

La présente invention concerne la suppression d'interférence électromagnétique (2) qui doit être améliorée pour un dispositif de suppression d'interférence électromagnétique (2) dans des systèmes électroniques de puissance (1). À cet effet, le dispositif comprend un système de contre-interférence numérique (3), le système de contre-interférence numérique (3) comprenant au moins un prédicteur d'interférence (12) et un synthétiseur de contre-interférence (13). Le prédicteur d'interférence (12) est conçu pour détecter au moins un élément d'information pour la prédiction de l'interférence électromagnétique (2) d'un système électronique de puissance (1) et pour générer en outre une prédiction de l'interférence électromagnétique (2) et la transmettre au synthétiseur de contre-interférence (13), et le synthétiseur de contre-interférence (13) est conçu pour synthétiser un signal de contre-interférence (14) correspondant sur la base de la prédiction de l'interférence électromagnétique (2) du prédicteur d'interférence (12). Le dispositif comprend en outre au moins un injecteur (16), l'injecteur (16) étant conçu pour coupler le signal de contre-interférence (14) synthétisé dans un système complet qui doit subir une suppression d'interférence. L'invention concerne également un procédé de suppression prédictive de l'interférence électromagnétique (2) de systèmes électroniques de puissance (1).
PCT/EP2022/074640 2021-09-06 2022-09-05 Système et procédé de suppression prédictive d'interférence électromagnétique de systèmes électroniques de puissance WO2023031463A1 (fr)

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DE102021123036.5A DE102021123036A1 (de) 2021-09-06 2021-09-06 System und Verfahren zur prädiktiven Unterdrückung von elektromagnetischen Störungen von leistungselektronischen Systemen

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IL96710A0 (en) 1990-07-19 1991-09-16 Booz Allen & Hamilton Inc System and method for predicting signals in real time
DE102014205845A1 (de) 2013-03-28 2014-10-02 Robert Bosch Gmbh Ansteuervorrichtung zur Ansteuerung eines Elektromotors und Verfahren zur Kompensation eines Störsignals in einer Ansteuerschaltung für einen Elektromotor
DE102016110596B4 (de) 2016-06-08 2019-12-19 Technische Universität Dortmund Aktive Störunterdrückungseinrichtung, Verfahren zur aktiven Störunterdrückung
CN107104657B (zh) * 2017-04-26 2020-12-18 西安理工大学 一种数字有源emi滤波器的数字化错周期控制方法
DE102018001051A1 (de) 2018-02-09 2019-08-14 Leopold Kostal Gmbh & Co. Kg Verfahren zur Reduktion eines elektromagnetischen Störsignals eines getaktet angesteuerten elektronischen Systems

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