WO2013132941A1 - 周波数制御装置 - Google Patents
周波数制御装置 Download PDFInfo
- Publication number
- WO2013132941A1 WO2013132941A1 PCT/JP2013/052552 JP2013052552W WO2013132941A1 WO 2013132941 A1 WO2013132941 A1 WO 2013132941A1 JP 2013052552 W JP2013052552 W JP 2013052552W WO 2013132941 A1 WO2013132941 A1 WO 2013132941A1
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- Prior art keywords
- frequency
- drive frequency
- drive
- changed
- control unit
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/005—Reducing noise, e.g. humm, from the supply
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3822—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving specially adapted for use in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2270/00—Problem solutions or means not otherwise provided for
- B60L2270/10—Emission reduction
- B60L2270/14—Emission reduction of noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
- H04B1/12—Neutralising, balancing, or compensation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B2215/00—Reducing interference at the transmission system level
- H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
- H04B2215/065—Reduction of clock or synthesizer reference frequency harmonics by changing the frequency of clock or reference frequency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
Definitions
- the present invention relates to a frequency control device.
- This application claims priority on March 6, 2012 based on Japanese Patent Application No. 2012-048998 filed in Japan, the contents of which are incorporated herein by reference.
- an electric fan mounted on a vehicle when driven by switchable on / off control or duty control, it corresponds to a signal output from a detection unit that detects on / off of a power switch of a radio receiver
- a control device is known that selects duty control when the power switch of the radio receiver is off, and selects on / off control when the power switch of the radio receiver is on (for example, , See Patent Document 1).
- JP 7-44210 A Japanese Patent No. 3688437
- the radio receiver and the control devices of various devices it is necessary to configure the radio receiver and the control devices of various devices in advance so as to be communicably connectable.
- the radio brought into the passenger compartment by a vehicle occupant
- a radio receiver that has not been previously connected to the control device of various devices is configured to be communicably connectable, in addition to being troublesome, for example, if the connection is wired, the wiring layout is restricted. May occur.
- An object of the present invention is to provide a frequency control device that can easily eliminate noise mixing in a radio receiver caused by driving of an apparatus while preventing the device configuration from becoming complicated. .
- a frequency control device includes an input operation unit that detects whether or not a predetermined operation is input by an operator, and a drive frequency of a predetermined device when the input of the predetermined operation is detected by the input operation unit.
- a control unit for changing wherein the control unit calculates a transmission frequency of a radio broadcasting station at which a minimum value of a difference with respect to a current multiplication number of the drive frequency is a predetermined value or less, and the changed drive frequency The drive frequency is changed such that the minimum value of the difference between the multiplication number of the radio frequency and the calculated transmission frequency of the radio broadcast station is equal to or greater than a predetermined value.
- control unit changes the drive frequency according to a smaller change width before and after the change between the case where the drive frequency is changed to the increase side and the case where the drive frequency is changed to the decrease side. It may be configured.
- control unit may change the drive frequency to the initial drive frequency when changing the drive frequency to the rising side and when changing the driving frequency to the falling side when performing the plurality of times of changing the driving frequency.
- the drive frequency may be changed depending on the return direction.
- the frequency control device According to the frequency control device according to the aspect of the present invention, it is not necessary to configure communication connection between the frequency changing means of various predetermined devices and the radio receiver. Noise mixing in the radio receiver due to driving can be easily and accurately eliminated.
- the radio receiver is not limited to a radio receiver that is pre-installed in the same apparatus as that in which various types of predetermined devices are installed.
- a radio receiver that is newly installed in the same apparatus, and the periphery of this apparatus. Can be applied to radio receivers, etc., which can improve versatility.
- the predetermined operation by the operator is an instruction to change the drive frequency
- a simple operation such as a switch operation is sufficient, for example, while accurately reflecting the operator's intention in the change of the drive frequency, Convenience can be improved.
- a frequency control device 10 is provided in, for example, an in-vehicle device 11 mounted on a vehicle, and eliminates noise mixing in the radio receiver 1 as shown in FIG. 12, and a control unit 13 and a drive unit 14 provided for each of the various devices 15.
- the input operation unit 12 is, for example, a button, switch, or touch panel that can be input by an operator's finger, or a voice input device that can be input by an operator's voice, for example, and whether or not a predetermined operation is input by the operator And a detection result signal is output.
- the control unit 13 outputs a command signal that instructs the device 15 to drive the device 15 at a drive frequency within a predetermined allowable drive frequency range set in advance. Further, as will be described later, the control unit 13 refers to data on the difference between the multiplication frequency of the drive frequency of the device 15 and various transmission frequencies of the radio broadcast station in accordance with a signal output from the input operation unit 12. Then, the drive frequency of the device 15 is changed, and the drive of the device 15 is instructed by the changed drive frequency (changed frequency).
- the control unit 13 is, for example, data such as a map showing a list of the minimum values of the differences between the multiplication frequency of the drive frequency of the device 15 and various transmission frequencies (radio frequencies) of the radio broadcast station as shown in Table 1 below. Is remembered. For example, this data may be stored in the control unit 13 in advance, or the transmission frequency data of the radio broadcast station received from the outside at an appropriate timing and the driving frequency data of the device 15 stored in advance. And may be created by the control unit 13 based on the above.
- the drive unit 14 drives the device 15 with a drive frequency corresponding to the command signal output from the control unit 13.
- the device 15 is a device that drives components such as various motors (for example, a motor of an electric steering device) mounted on a vehicle, or an electromagnetic wave such as a non-contact charger mounted on a vehicle. Is a device that generates
- the drive unit 14 causes the device 15 formed of a motor to drive the device 15 by duty control according to a PWM (pulse width modulation) control signal having a drive frequency corresponding to the command signal output from the control unit 13. .
- the drive unit 14 generates an electromagnetic wave having a drive frequency corresponding to the command signal output from the control unit 13 with respect to the device 15 including the non-contact charger.
- the frequency control device 10 has the above-described configuration. Next, the operation of the frequency control device 10, particularly the processing for setting the change frequency will be described.
- step S01 shown in FIG. 2 it is determined whether or not a change in the driving frequency of the device 15 is instructed by an input of a predetermined operation by the operator to the input operation unit 12. If the determination result is “NO”, the determination process of step S01 is repeatedly executed. On the other hand, if this determination is “YES”, the flow proceeds to step S 02.
- step S02 for example, the map of the minimum value of the difference between the drive frequency multiplication frequency of the device 15 and the various transmission frequencies of the radio broadcast station as shown in Table 1 above is referred to.
- the transmission frequency of the radio broadcast station is calculated such that the minimum difference with respect to the current drive frequency multiplication number is a predetermined value or less. Then, with respect to the calculated transmission frequency of the radio broadcast station, the minimum value of the difference between the multiplication number of the drive frequency and the calculated transmission frequency of the radio broadcast station is within an appropriate range before and after the current drive frequency of the device 15.
- Two drive frequencies (change frequencies) on the rising side and the falling side that are equal to or higher than a predetermined value are acquired by map search.
- the minimum value of the difference with respect to the multiple of the current drive frequency of the device 15 is the radio frequency shown in Table 1 above.
- a radio frequency that is equal to or less than one channel frequency interval (that is, 10 kHz) is calculated.
- Table 2 the difference between the calculated transmission frequency of the radio broadcast station and the multiplication frequency of the drive frequency with respect to the drive frequency in an appropriate range before and after the current drive frequency of the device 15 Calculate the minimum value data.
- step S03 it is determined whether or not the two change frequencies on the ascending side and the descending side are within a predetermined allowable driving frequency range set in advance for the device 15. If this determination is “NO”, the flow proceeds to step S 07 described later. On the other hand, if this determination is “YES”, the flow proceeds to step S 04.
- step S04 it is determined whether or not the current change instruction is the first change instruction. If this determination is “NO”, the flow proceeds to step S 06 described later. On the other hand, if this determination is “YES”, the flow proceeds to step S 05.
- step S05 the smaller change frequency (for example, 176 kHz on the descending side in Table 2) is selected from the ascending and descending side changing frequencies, and the process proceeds to the end.
- the change width is the same at the two change frequencies on the ascending side and the descending side, either one is selected arbitrarily (randomly).
- step S06 the change frequency closer to the initial drive frequency is selected from the change frequencies on the ascending side and the descending side, and the process proceeds to the end.
- the current drive frequency in the duty control of the device 15 composed of a motor is 176 kHz and the initial drive frequency is 181 kHz
- the current drive frequency of the device 15 is selected from the radio frequencies shown in Table 1 above.
- a radio frequency at which the minimum value of the difference with respect to the multiplication number is equal to or less than one channel interval of radio frequency (that is, 10 kHz) is calculated.
- the difference between the calculated transmission frequency of the radio broadcast station and the multiplication frequency of the drive frequency with respect to the drive frequency in an appropriate range before and after the current drive frequency of the device 15 Calculate the minimum value data.
- a predetermined value for example, 11 kHz which is larger than one channel interval of the radio frequency.
- step S07 it is determined whether the ascending or descending change frequency is within a predetermined allowable drive frequency range set in advance for the device 15. If this determination is “NO”, the flow proceeds to the end without changing the drive frequency. On the other hand, if the determination is “YES”, the flow proceeds to step S08.
- step S08 a change frequency existing within a predetermined allowable drive frequency range preset for the device 15 is selected from the change frequencies on the ascending side and the descending side, and the process proceeds to the end.
- various devices 15 can be provided with a simple device configuration without the need to configure communication between the in-vehicle device 11 and the radio receiver 1. It is possible to easily and accurately eliminate noise mixing into the radio receiver 1 due to the driving of.
- the radio receiver 1 is not limited to the radio receiver 1 that is mounted in advance in the vehicle in the same manner as the various devices 15.
- the device 1 and the radio receiver 1 brought into the passenger compartment by the occupant can be handled without adding a special configuration to each of them, and the versatility can be improved.
- the predetermined operation by the operator is an instruction to change the drive frequency
- a simple operation such as a switch operation is sufficient, for example, while accurately reflecting the operator's intention in the change of the drive frequency, Convenience can be improved.
- the smaller change width is selected for the first change instruction, and the one closer to the initial drive frequency is selected for the second and subsequent change instructions.
- the smaller change width is selected for the first change instruction, and the initial change instruction for the second and subsequent change instructions is selected.
- the one closer to the drive frequency is selected, but the present invention is not limited to this.
- the smaller change width may be selected for the second and subsequent change instructions, for example, regardless of the number of change instructions.
- the one closer to a predetermined drive frequency such as a median value within a predetermined allowable drive frequency range may be selected.
- the frequency control device 10 is provided in the in-vehicle device 11.
- the frequency control device 10 is not limited to this, and may be provided in various other devices, or may be provided alone with the various devices 15. It may be configured.
- the present invention can be applied to a control device that controls equipment mounted on a vehicle.
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Selective Calling Equipment (AREA)
- Feedback Control In General (AREA)
- Noise Elimination (AREA)
- Circuits Of Receivers In General (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Control Of Electric Motors In General (AREA)
Abstract
Description
本願は、2012年3月6日に、日本に出願された特願2012-048998号に基づき優先権を主張し、その内容をここに援用する。
また、これらの予め各種機器の制御装置と通信接続されていないラジオ受信機を通信接続可能に構成する場合には、煩雑な手間がかかることに加えて、例えば有線接続であれば配線レイアウトに規制が生じる虞がある。
また、制御部13は、後述するように、入力操作部12から出力される信号に応じて、機器15の駆動周波数の逓倍数とラジオ放送局の各種の送信周波数との差のデータを参照して、機器15の駆動周波数を変更し、変更後の駆動周波数(変更周波数)による機器15の駆動を指示する。
このデータは、例えば、予め制御部13に記憶されていてもよいし、あるいは、適宜のタイミングで外部から受信したラジオ放送局の送信周波数のデータと予め記憶している機器15の駆動周波数のデータとに基づいて制御部13により作成されてもよい。
機器15は、例えば、車両に搭載された各種のモータ(例えば、電動ステアリング装置のモータなど)などのように部品を駆動する機器、あるいは、車両に搭載された非接触充電器などのように電磁波を発生させる機器などである。
また、例えば、駆動部14は、非接触充電器からなる機器15に対して、制御部13から出力された指令信号に応じた駆動周波数の電磁波を発生させる。
この判定結果が「NO」の場合には、ステップS01の判定処理を繰り返し実行する。
一方、この判定結果が「YES」の場合には、ステップS02に進む。
そして、算出したラジオ放送局の送信周波数に対して、機器15の現在の駆動周波数の前後の適宜の範囲において、駆動周波数の逓倍数と算出したラジオ放送局の送信周波数との差の最小値が所定値(例えば、所定周波数間隔で設定された複数チャネルの送信周波数の1チャネル間隔よりも大きい周波数など)以上になる上昇側および下降側の2つの駆動周波数(変更周波数)をマップ検索により取得する。
そして、例えば下記表2に示すように、機器15の現在の駆動周波数の前後の適宜の範囲の駆動周波数に対して、算出したラジオ放送局の送信周波数と、駆動周波数の逓倍数との差の最小値のデータを算出する。
この判定結果が「NO」の場合には、後述するステップS07に進む。
一方、この判定結果が「YES」の場合には、ステップS04に進む。
この判定結果が「NO」の場合には、後述するステップS06に進む。
一方、この判定結果が「YES」の場合には、ステップS05に進む。
なお、上昇側および下降側の2つの変更周波数において変更幅が同一である場合には、何れか一方を任意(ランダム)に選択する。
そして、例えば下記表3に示すように、機器15の現在の駆動周波数の前後の適宜の範囲の駆動周波数に対して、算出したラジオ放送局の送信周波数と、駆動周波数の逓倍数との差の最小値のデータを算出する。
そして、2つの変更周波数のうち、当初の駆動周波数に近い方として、当初の駆動周波数に戻る方の上昇側の181kHzを選択する。
この判定結果が「NO」の場合には、駆動周波数を変更せずに、エンドに進む。
一方、この判定結果が「YES」の場合には、ステップS08に進む。
11 車載装置
12 入力操作部(検出手段)
13 制御部(周波数変更手段)
14 駆動部
15 機器
Claims (3)
- 操作者による所定操作の入力有無を検出する入力操作部と、
前記入力操作部により前記所定操作の入力が検出された場合に所定機器の駆動周波数を変更する制御部と、を備え、
前記制御部は、現在の前記駆動周波数の逓倍数に対する差の最小値が所定値以下となるラジオ放送局の送信周波数を算出するとともに、変更後の前記駆動周波数の逓倍数と前記算出したラジオ放送局の送信周波数との差の最小値が所定値以上になるようにして、前記駆動周波数を変更する周波数制御装置。 - 前記制御部は、前記駆動周波数を上昇側に変更する場合と前記駆動周波数を下降側に変更する場合とのうち、変更前後の変更幅がより小さい方によって前記駆動周波数を変更する請求項1に記載の周波数制御装置。
- 前記制御部は、前記駆動周波数の複数回目の変更を行なうときには、前記駆動周波数を上昇側に変更する場合と前記駆動周波数を下降側に変更する場合とのうち、当初の前記駆動周波数に戻る方によって前記駆動周波数を変更する請求項1または請求項2に記載の周波数制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/373,772 US9236956B2 (en) | 2012-03-06 | 2013-02-05 | Frequency control apparatus |
CN201380006075.4A CN104067510B (zh) | 2012-03-06 | 2013-02-05 | 频率控制装置 |
EP13757909.0A EP2797223B1 (en) | 2012-03-06 | 2013-02-05 | Frequency control apparatus |
JP2014503718A JP5685342B2 (ja) | 2012-03-06 | 2013-02-05 | 周波数制御装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012-048998 | 2012-03-06 | ||
JP2012048998 | 2012-03-06 |
Publications (1)
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WO2013132941A1 true WO2013132941A1 (ja) | 2013-09-12 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2013/052552 WO2013132941A1 (ja) | 2012-03-06 | 2013-02-05 | 周波数制御装置 |
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US (1) | US9236956B2 (ja) |
EP (1) | EP2797223B1 (ja) |
JP (1) | JP5685342B2 (ja) |
CN (1) | CN104067510B (ja) |
WO (1) | WO2013132941A1 (ja) |
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2013
- 2013-02-05 EP EP13757909.0A patent/EP2797223B1/en not_active Not-in-force
- 2013-02-05 WO PCT/JP2013/052552 patent/WO2013132941A1/ja active Application Filing
- 2013-02-05 CN CN201380006075.4A patent/CN104067510B/zh active Active
- 2013-02-05 JP JP2014503718A patent/JP5685342B2/ja not_active Expired - Fee Related
- 2013-02-05 US US14/373,772 patent/US9236956B2/en active Active
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US20140357212A1 (en) | 2014-12-04 |
CN104067510A (zh) | 2014-09-24 |
US9236956B2 (en) | 2016-01-12 |
JP5685342B2 (ja) | 2015-03-18 |
CN104067510B (zh) | 2017-05-24 |
EP2797223B1 (en) | 2016-11-23 |
EP2797223A1 (en) | 2014-10-29 |
JPWO2013132941A1 (ja) | 2015-07-30 |
EP2797223A4 (en) | 2015-09-16 |
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