WO2012039577A2 - Appareil de syntonisation automatique pour un dispositif rf - Google Patents

Appareil de syntonisation automatique pour un dispositif rf Download PDF

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Publication number
WO2012039577A2
WO2012039577A2 PCT/KR2011/006941 KR2011006941W WO2012039577A2 WO 2012039577 A2 WO2012039577 A2 WO 2012039577A2 KR 2011006941 W KR2011006941 W KR 2011006941W WO 2012039577 A2 WO2012039577 A2 WO 2012039577A2
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WO
WIPO (PCT)
Prior art keywords
tuning
data
unit
automatic
equipment
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Application number
PCT/KR2011/006941
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English (en)
Korean (ko)
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WO2012039577A3 (fr
Inventor
이승철
Original Assignee
주식회사 에이스테크놀로지
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication of WO2012039577A2 publication Critical patent/WO2012039577A2/fr
Publication of WO2012039577A3 publication Critical patent/WO2012039577A3/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J1/00—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general
    • H03J1/0008—Details of adjusting, driving, indicating, or mechanical control arrangements for resonant circuits in general using a central processing unit, e.g. a microprocessor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/28—Automatic self-alignment of a receiver

Definitions

  • Embodiments of the present invention relate to an automatic tuning apparatus, and more particularly, to an apparatus for automatically performing tuning of RF equipment such as filters, duplexers and the like.
  • RF equipment such as filters, duplexers, multiplexers, etc.
  • RF equipment is used for signal filtering, signal separation and transmission in places such as base stations of mobile communication systems.
  • FIG. 1 is a diagram illustrating a structure of a general RF cavity filter among RF equipments to which the present invention is applied.
  • a typical RF cavity filter includes a housing 100, an input connector 102, an output connector 104, a cover 106, a plurality of cavities 108 and a resonator 110.
  • the RF filter is a device for passing only a signal of a specific frequency band among input frequency signals, and has been implemented in various formats.
  • the present invention is applied to tuning of RF equipment using cavity resonance, such as an RF cavity filter, among various kinds of RF equipment.
  • a plurality of walls are formed inside the cavity filter, and a cavity 108 in which each resonator is accommodated is defined by the plurality of walls.
  • the cover 106 is provided with a coupling hole and a tuning bolt 112 for coupling the housing 100 and the cover 106.
  • the tuning bolt 112 is coupled to the cover 106 and penetrates into the housing.
  • the tuning bolt 112 is inserted into the filter corresponding to a position corresponding to the resonator or a predetermined position inside the cavity.
  • FIG. 2 is a cross-sectional view of one cavity in the general RF cavity filter shown in FIG. 1.
  • the tuning bolt 112 is penetrated from the cover 106 and positioned above the resonator.
  • the tuning bolt 112 is made of a metal material and is fixed by screwing the cover.
  • the tuning bolt 112 may be adjusted by the distance between the resonator and the tuning by varying the distance between the resonator 110 and the tuning bolt 112.
  • the tuning bolts 112 may be rotated by hand, or a separate tuning machine for the rotation of the tuning bolts may be used.
  • the tuning bolts are held by the nuts if the tuning is done in the proper position.
  • Tuning of RF equipment having such a cavity is achieved by adjusting the insertion depth of the tuning bolt.
  • the RF equipment includes a plurality of cavities and resonators, a plurality of tuning bolts are correspondingly provided, and tuning is performed to have desired characteristics by adjusting the insertion depth of each tuning bolt.
  • Tuning for the above-mentioned RF equipments was generally performed manually by an operator. Tuning to the desired characteristics by adjusting the insertion depth of the tuning bolt is a task that can be performed only by skilled workers and also has a problem that takes a considerable time.
  • Another object of the present invention is to propose an automatic tuning device that can reduce the cost of tuning.
  • a pre-tuning unit for adjusting the insertion depth of the tuning bolt of the RF equipment based on the pre-tuning data
  • a tuning unit for measuring a parameter of the RF equipment pre-tuned in the pre-tuning unit and performing tuning according to a control command by an automatic tuning algorithm
  • a main controller configured to provide the pre-tuning data to the pre-tuning unit, and provide a control command according to the automatic tuning algorithm to the tuning unit by comparing the measured parameters of the RF equipment with a reference parameter.
  • the controller is provided with an automatic tuning device for RF equipment that generates the pre-tuning data based on the tuning result data of the tuning unit.
  • the main controller generates the pre-tuning data by combining a plurality of tuning result data made in the past.
  • the main controller checks the tuning time of the tuning unit to determine whether the pre-tuning data is updated.
  • the pretuning unit initializes the position of the tuning bolt of the RF equipment before pretuning.
  • the pre-tuning unit mounts the tuning bolt to the RF equipment and initializes the position of the tuning bolt.
  • the main controller continuously compares the parameters of the RF equipment with the reference parameters while executing the automatic tuning algorithm and determines whether tuning is completed.
  • the pre-tuning step of adjusting the insertion depth of the tuning bolt of the RF equipment based on the pre-tuning data (a); (B) measuring a parameter of the pre-tuned RF equipment; (C) comparing the measured parameter with a reference parameter and performing automatic tuning according to an automatic tuning algorithm; And storing the tuning result data when the tuning is completed, wherein the pre-tuning data is provided based on the tuning result data.
  • an automatic tuning method performed in an automatic tuning device including a pretuning unit, a main controller, and an autotuning unit, wherein the tuning bolt of an RF device is based on pretuning data in the pretuning unit.
  • the pre-tuning unit for adjusting the insertion depth of the tuning bolt of the RF equipment based on the pre-tuning data; And a tuning unit measuring parameters of the RF equipment pre-tuned in the pre-tuning unit and performing tuning according to a control command by an automatic tuning algorithm.
  • the pre-tuning data is provided with an automatic tuning device of the RF equipment based on the tuning result data of the tuning unit.
  • the step of adjusting the insertion depth of the tuning bolt of the RF equipment based on the pre-tuning data (a); And (b) measuring a parameter of the RF device whose insertion depth is adjusted and performing tuning according to an automatic tuning algorithm, wherein the pretuning data is based on the tuning result data of step (b).
  • An automatic tuning method of the equipment is provided.
  • the time required for tuning can be reduced, and the cost required for tuning can be reduced.
  • FIG. 1 is a view showing the structure of a typical RF cavity filter of the RF equipment to which the present invention is applied.
  • FIG. 2 is a cross-sectional view of one cavity in the typical RF cavity filter shown in FIG. 1.
  • FIG. 2 is a cross-sectional view of one cavity in the typical RF cavity filter shown in FIG. 1.
  • FIG. 3 is a diagram illustrating a configuration of an automatic tuning device according to an embodiment of the present invention.
  • FIG. 4 is a block diagram showing a configuration of a pretuning unit according to an embodiment of the present invention.
  • FIG. 5 is a diagram illustrating a configuration of a pretuning unit according to another embodiment of the present invention.
  • FIG. 6 is a block diagram showing a configuration of a tuning unit according to an embodiment of the present invention.
  • FIG. 7 is a flowchart illustrating an automatic tuning process according to an embodiment of the present invention.
  • FIG. 3 is a diagram illustrating a configuration of an automatic tuning device according to an embodiment of the present invention.
  • an automatic tuning device may include a pretuning unit 300, a tuning unit 302, and a main controller 304.
  • the pre-tuning unit 300 functions to perform a tuning operation in advance before actual tuning in the tuning unit 302.
  • Existing automatic tuning devices are tuned in accordance with a tuning algorithm in the tuning unit 302, but the present invention is pre-tuned in the pre-tuning unit 300.
  • the pre-tuning unit 300 receives pre-tuning data from the main controller 304, and performs tuning in advance before main tuning according to the pre-tuning data. In the pre-tuning, the unit 300 does not perform tuning through a separate algorithm or feedback but performs only mechanical tuning according to the pre-tuning data provided from the main controller 304.
  • the pretuning data provided by the main controller 304 is generated based on the completed tuning result data made in the tuning unit 300 before the pretuning.
  • the pre-tuning data is generated based on the tuning result data.
  • the pre-tuning data is information on the insertion depth of each tuning bolt of the filter, and the rotation speed information of the motor may be representatively used when adjusting the insertion depth of the tuning bolt by rotating the tuning bolt with the motor, but the present invention is not limited thereto. .
  • the motor rotation speed information for adjusting the insertion depth of each tuning bolt is included in the pre-tuning data, and in the pre-tuning unit 300, the pre-tuning is performed based on the motor rotation speed information of the pre-tuning data. This is to adjust the insertion depth of the bolt.
  • the pre-tuning data is generated based on the completed tuning result data.
  • the pre-tuning data may be completed tuning result data performed in a previous tuning process.
  • the pretuning data may be data generated by combining the preceding tuning result data, such as an average of a plurality of completed tuning result data.
  • FIG. 4 is a block diagram illustrating a configuration of a pretuning unit according to an embodiment of the present invention.
  • the pre-tuning unit may include an initialization unit 400, a main controller communication unit 402, and a tuning driver 404.
  • the initialization unit 400 initializes the position of the tuning bolt so that line tuning can be performed based on the pre-tuning data. For example, adjusting the insertion depth of the tuning bolt to zero or adjusting the insertion depth of the tuning bolt to the maximum may be performed at the initialization unit. Of course, the initialization unit may initialize the insertion depth such that the insertion depth of the tuning bolt has a predetermined depth which is not 0 or the maximum.
  • the initialization operation may not be performed in the pretuning unit 300 but may be mounted in the pretuning unit after the initialization filter is performed in another process procedure.
  • the main controller communication unit 402 receives pretuning data from the main controller 304. As the preliminary tuning data is accumulated, the pretuning data may be updated, and when there is an update of the pretuning data, the pretuning unit receives the updated pretuning data from the main controller communication unit 402.
  • the tuning driver 404 performs pretuning prior to tuning in the tuning unit 302 based on the pretuning data.
  • the tuning driver 404 may perform pre-tuning by adjusting an insertion depth of each tuning bolt included in the filter using a motor. It will be apparent to those skilled in the art that the mechanical configuration of the tuning drive unit 404 can be used a variety of known methods in addition to the insertion depth adjustment structure by the rotation of the motor.
  • FIG. 5 is a diagram illustrating a configuration of a pretuning unit according to another exemplary embodiment of the present invention.
  • the pretuning unit may include a tuning bolt mounting unit 500, a main controller communication unit 502, and a tuning driver 504.
  • the pretuning unit of FIG. 5 includes a tuning bolt mount 500.
  • the pre-tuning unit may perform a task of directly mounting the tuning bolt.
  • the initialization may be performed together with the tuning bolts. Since operations of the main controller communication unit 502 and the tuning driver 504 are the same as those of the embodiment of FIG. 4, a description thereof will be omitted.
  • the main controller 304 generates pre-tuning data based on the tuning result data previously made and provides the pre-tuning data to the pre-tuning unit 300 so that the pre-tuning can be performed before the main tuning.
  • the pre-tuning data may be generated by combining data on the tuning result previously made.
  • the main controller 304 generates the pre-tuning data, provides it to the pre-tuning unit 300, and controls the tuning operation of the tuning unit 302. If tuning has been performed several times, the pre-tuning data may be fixed. The main controller 304 checks the time at which tuning is performed in the tuning unit 302 after pretuning, and determines whether to update the pretuning data. If the tuning time after the pre-tuning is greater than or equal to a preset threshold, the pre-tuning data is updated using the new tuning result data.
  • the difference between the existing tuning result data and the new tuning result data is greater than or equal to a preset threshold, it may be determined whether to update the pretuning data, and update the pretuning data by comparing the measured parameters with the reference parameters after the pretuning. You might decide whether or not.
  • FIG. 6 is a block diagram showing a configuration of a tuning unit according to an embodiment of the present invention.
  • a tuning unit may include a measurement unit 600 and a tuning driver 602.
  • the measuring unit 600 measures the filter parameters for the filter tuned in the pre-tuning unit 300.
  • the filter parameter may include various parameters such as a pass band, a bandwidth, a skirt characteristic, and a Q value of the filter.
  • the measuring unit may be implemented by using a measuring device such as a network analyzer.
  • the filter parameter measured by the measuring unit 600 is provided to the main controller 304.
  • the main controller 304 compares the filter parameter measured by the measuring unit 600 with the reference parameter.
  • the main controller 304 executes a tuning algorithm according to the comparison result, and the tuning driver 602 performs a tuning operation corresponding to the control command of the main controller 304.
  • the main controller 304 provides a control command for adjusting the insertion depth of the tuning bolt of the filter through a preset algorithm, and the tuning drive unit 602 is the insertion depth of each tuning bolt according to the control command of the main controller 304. Adjust
  • control command of the main controller 304 may be rotational speed information of the motor for adjusting the insertion depth of the tuning bolt in the tuning unit 302.
  • the measurement unit 600 continuously measures the filter parameter that varies as the tuning operation is performed, and provides the measured data to the main controller 304.
  • the main controller 304 completes the tuning operation when the filter parameters measured according to the execution of the tuning algorithm have the same reference parameter or the difference is less than or equal to the threshold.
  • the present invention compared to the general automatic tuning process, it is characterized in performing the pretuning process.
  • the tuning algorithm executed in the tuning unit is difficult to be perfect, and thus there is a problem that the tuning takes a considerable time even if the automatic tuning is performed.
  • the tuning time in the tuning unit 302 can be minimized by performing the tuning in advance in the pre-tuning unit using the tuning result made in the tuning unit.
  • FIG. 7 is a flowchart illustrating an automatic tuning process according to an embodiment of the present invention.
  • a tuning bolt is mounted on an RF device (step 700).
  • Tuning bolt mounting can be performed via a mounting robot.
  • Initialization of the tuning bolt position may be performed at the time of bolt mounting, or an initialization procedure may be performed through another process.
  • pretuning is performed based on the pretuning data provided from the main controller (step 702).
  • the pretuning data is information on the insertion depth of the tuning bolt, and a pretuning operation for adjusting the insertion depth of the tuning bolt is performed.
  • the parameters of the pretuned RF equipment are measured (step 704). As described above, parameters such as passband, bandwidth, skirt characteristics, and the like are measured.
  • the measured parameters are compared with a preset reference parameter (step 706).
  • an automatic tuning operation by the automatic tuning algorithm is performed (step 708).
  • tuning data (information on insertion depth of tuning bolts) is stored (step 710).
  • the stored information is used to generate or update pretuning data in the main controller.
  • the main control unit checks the tuning time and updates the pretuning data using the latest stored tuning data when the tuning time is greater than or equal to a preset threshold (step 712).

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  • Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Abstract

L'invention concerne un appareil de syntonisation automatique pour un dispositif RF. L'appareil de l'invention comprend : une unité de pré-syntonisation qui règle la profondeur d'insertion d'un boulon de syntonisation du dispositif RF d'après des données de pré-syntonisation ; une unité de syntonisation qui mesure un paramètre du dispositif RF pré-syntonisé par l'unité de pré-syntonisation, et effectue la syntonisation conformément à une commande de contrôle basée sur un algorithme de syntonisation automatique ; et un contrôleur principal qui envoie à l'unité de pré-syntonisation les données de pré-syntonisation, et compare le paramètre mesuré du dispositif RF à un paramètre de référence pour envoyer à l'unité de syntonisation la commande de contrôle basée sur l'algorithme de syntonisation automatique. Le contrôleur principal génère les données de pré-syntonisation à partir des données de résultat de syntonisation de l'unité de syntonisation. L'appareil de l'invention présente l'avantage de raccourcir la durée nécessaire pour effectuer la syntonisation et de réduire les coûts de la syntonisation.
PCT/KR2011/006941 2010-09-20 2011-09-20 Appareil de syntonisation automatique pour un dispositif rf WO2012039577A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2010-0092330 2010-09-20
KR1020100092330A KR101065125B1 (ko) 2010-09-20 2010-09-20 Ｒｆ 장비의 자동 튜닝 장치

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WO2012039577A2 true WO2012039577A2 (fr) 2012-03-29
WO2012039577A3 WO2012039577A3 (fr) 2012-05-31

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KR101525166B1 (ko) * 2014-02-18 2015-06-03 부산대학교 산학협력단 고속발사체 측정 장치를 이용한 활 튜닝 시스템 및 튜닝 방법
KR101740805B1 (ko) * 2015-08-26 2017-05-29 한국공항공사 가변 대역 통과 필터 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147577A (en) * 1998-01-15 2000-11-14 K&L Microwave, Inc. Tunable ceramic filters
KR100614565B1 (ko) * 2004-03-31 2006-08-25 주식회사 케이엠더블유 알에프 필터 자동 튜닝 시스템 및 그 방법
KR100687421B1 (ko) * 2005-10-27 2007-02-26 주식회사 에이스테크놀로지 반사파의 위상을 이용한 필터의 튜닝 장치 및 그 방법과그에 의해 튜닝된 필터

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379195A1 (fr) * 1977-01-28 1978-08-25 Thomson Csf Filtre passe-bande a accord asservi, et equipement comportant un tel filtre

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6147577A (en) * 1998-01-15 2000-11-14 K&L Microwave, Inc. Tunable ceramic filters
KR100614565B1 (ko) * 2004-03-31 2006-08-25 주식회사 케이엠더블유 알에프 필터 자동 튜닝 시스템 및 그 방법
KR100687421B1 (ko) * 2005-10-27 2007-02-26 주식회사 에이스테크놀로지 반사파의 위상을 이용한 필터의 튜닝 장치 및 그 방법과그에 의해 튜닝된 필터

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WO2012039577A3 (fr) 2012-05-31
KR101065125B1 (ko) 2011-09-16

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