WO2018216136A1 - 車両用発電機の制御装置 - Google Patents
車両用発電機の制御装置 Download PDFInfo
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- WO2018216136A1 WO2018216136A1 PCT/JP2017/019359 JP2017019359W WO2018216136A1 WO 2018216136 A1 WO2018216136 A1 WO 2018216136A1 JP 2017019359 W JP2017019359 W JP 2017019359W WO 2018216136 A1 WO2018216136 A1 WO 2018216136A1
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- WIPO (PCT)
- Prior art keywords
- shared terminal
- control device
- setting data
- interface circuit
- programmable rom
- Prior art date
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- 238000004891 communication Methods 0.000 claims abstract description 50
- 238000003745 diagnosis Methods 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 claims description 4
- 238000012937 correction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- 230000006870 function Effects 0.000 description 9
- 238000012545 processing Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010365 information processing Effects 0.000 description 2
- 238000012951 Remeasurement Methods 0.000 description 1
- JJWKPURADFRFRB-UHFFFAOYSA-N carbonyl sulfide Chemical compound O=C=S JJWKPURADFRFRB-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
Definitions
- the present invention relates to a control device for a vehicular generator.
- ROM Read Only Memory
- the ROM includes a programmable ROM that can write data in a specific procedure and a mask ROM that cannot write data, and these are used as appropriate.
- the method for changing ROM data differs depending on the interface circuit (hereinafter referred to as IF) of the LSI.
- IF interface circuit
- the data in the programmable ROM is rewritten using the communication IF.
- the LSI function can be switched by changing the mask ROM by redesigning the layout. It was.
- Patent Document 1 discloses a configuration in which an input terminal for an energization command signal for excitation current and an input terminal for a control characteristic change command signal for a voltage control unit are shared. It is disclosed that the same terminal is shared by the input IF to suppress an increase in the number of terminals and the number of external wires. Regarding the suppression of the increase in the number of terminals, Patent Document 2 discloses a multi-function general-purpose port in which a plurality of functions are assigned to one terminal and the function is selected by setting a built-in volatile memory. Has been.
- the data change method of the storage element is different, such as the model A having the communication IF and the model B having no communication IF, each is different. It was developed as a variety. For this reason, there is a problem that it is necessary to develop many LSI varieties and the development efficiency is poor.
- the model B is provided with a pin dedicated to the communication IF in order to share the product type, the number of LSI terminals and external wiring will increase, and the layout will need to be redesigned, increasing the development man-hours. There was a problem.
- Patent Document 1 an increase in the number of terminals is suppressed by sharing a plurality of input IF terminals in the same direction, but there is a problem that terminals cannot be shared for bidirectional IFs for input and output.
- terminals cannot be shared for bidirectional IFs for input and output.
- it is required to share terminals that can be combined including a bidirectional IF.
- Patent Document 2 it is possible to switch between IFs assigned to the same terminal using a volatile memory, but there is a problem that switching information disappears when the power is turned off. Further, when it is desired to return the IF once switched to the original IF, it cannot be realized by a method other than turning off the power.
- the present invention provides a control device for a vehicle generator that can suppress an increase in the number of terminals and the number of wirings and that can be used for a plurality of models with one LSI product. With the goal.
- a control device for a vehicular generator includes a plurality of interface circuits including a communication interface circuit that transmits and receives data to and from an external device, and a common terminal for the plurality of interface circuits.
- the common terminal connected to one of the interface circuits and the common terminal setting data for setting the interface circuit connected to the common terminal are stored, and the switch circuit is controlled based on the common terminal setting data to be shared.
- a nonvolatile programmable ROM for switching an interface circuit connected to a terminal is provided.
- the common terminal setting data is set so that the communication interface circuit is connected to the common terminal. Since the shared terminal setting data stored in the programmable ROM can be rewritten via the shared terminal and communication interface circuit, it is possible to suppress the increase in the number of terminals and the number of wirings, and multiple models with one LSI type Can be used.
- FIG. 1 is a block diagram showing the configuration of the control device for a vehicle generator according to the first embodiment.
- 2 and 3 are block diagrams showing the configuration of a control device for a vehicular generator that is a comparative example of the present invention. In each figure, the same and corresponding parts are denoted by the same reference numerals.
- the vehicle generator 1 is, for example, a three-phase AC generator, and the control device 2 is an LSI (Large-scale integration).
- the control device 2 is designed so that it can be used for a plurality of models of the vehicle generator 1 (model A and model B in the example shown in FIG. 1), and the model A circuit 3 that realizes functions for the model A.
- a model B circuit 4 for realizing a function for model B.
- the model A circuit 3 and the model B circuit 4 are connected to the vehicle generator 1 via a switch 5 which is a switch circuit.
- control device 2 includes a plurality of IFs including a communication interface circuit 6 (hereinafter referred to as a communication IF 6) that transmits / receives data to / from an external device.
- a lamp interface circuit 7 (hereinafter, lamp IF 7) is provided in addition to the communication IF 6.
- the common terminal 8 is a common terminal for the communication IF 6 and the lamp IF 7 and is connected to either the communication IF 6 or the lamp IF 7 via a switch 9 which is a switch circuit.
- the diagnosis unit 10 is a circuit that monitors the state of the own device, that is, the control device 2 and the vehicle generator 1 controlled by the control device 2, and determines whether there is an abnormality.
- the lamp IF 7 controls lighting of a lamp (not shown) connected to a vehicle control device (not shown) based on the determination by the diagnosis unit 10.
- control device 2 includes PROM 11 and PROM 12 which are programmable ROMs, and a memory controller 13 which is a memory controller circuit.
- PROM 11 and PROM 12 are nonvolatile storage elements, and data can be written and rewritten by a specific procedure.
- the PROM 11 stores model setting data for setting a model circuit connected to the vehicle generator 1, and controls the switch 5 based on the model setting data to connect the model circuit connected to the vehicle generator 1. Switch. For example, when the PROM 11 stores model setting data “model A circuit valid” as an initial setting, the vehicle generator 1 is connected to the model A circuit 3 via the switch 5.
- the PROM 12 stores shared terminal setting data for setting an IF connected to the shared terminal 8, and controls the switch 9 based on the shared terminal setting data to switch the IF connected to the shared terminal 8.
- the PROM 12 stores “communication IF valid” shared terminal setting data that is set so that the communication IF 6 is connected to the shared terminal 8 as an initial setting. It is rewritten with the shared terminal setting data of “Lamp IF enabled” set to be connected. The rewriting of the shared terminal setting data is performed by using the LSI manufacturing unit 30 by the manufacturer of the control device 2 (LSI), the manufacturer of the vehicle generator 1, the automobile manufacturer, or the like.
- the memory controller 13 stores the data received by the communication IF 6 in the PROM 11 or PROM 12 and reads out the data stored in the PROM 11 or PROM 12.
- the timer unit 14 is a timer circuit that measures the time from when the own device, that is, the control device 2 is turned on, until the diagnosis unit 10 can determine whether there is an abnormality. Note that turning on the power of the control device 2 means starting the vehicle generator 1.
- the PROM 12 When the shared terminal setting data is rewritten, the PROM 12 does not perform switching by the switch 9 immediately after that, and controls the switch 9 after the timer unit 14 overflows from the power-on of the control device 2 (after releasing asynchronous reset).
- the IF connected to the shared terminal 8 is switched from the communication IF 6 to the lamp IF 7.
- the specific command is a protocol that can be decoded by the communication IF 6, and is communication data that is not actually transmitted from the engine control unit (ECU).
- the specific command is input before shipment of the control device 2 by the manufacturer of the control device 2 (LSI), the manufacturer of the vehicle generator 1, or the automobile manufacturer using the LSI manufacturing unit 30 shown in FIG.
- the PROM 12 is protected by multiplexing or error correction.
- multiplexing for example, there is a majority circuit that has a plurality of information processing units that perform the same information processing on input information that is input externally, and that outputs the processing results determined by majority voting for those processing results.
- Error correction is a technique for detecting and correcting received error data or system error data. For example, there is a method using a parity bit, CRC (Cyclic redundancy check), or a Hamming code.
- CRC Cyclic redundancy check
- Hamming code By providing these protection functions, it is possible to prevent accidental logic conversion of data due to bit inversion due to cosmic rays, failure due to LSI loss, or garbled data due to deterioration over time.
- the configuration of the control device for a vehicle generator which is a comparative example of the first embodiment, will be described with reference to FIGS.
- the control device 20A of the vehicle generator 1A shown in FIG. 2 has a communication IF 6, outputs a determination by the diagnosis unit 10 to an ECU (Engine control unit) 31, and controls the lighting of the charge lamp 32.
- the control device 20B of the vehicular generator 1B shown in FIG. 3 has a lamp IF7 and controls the lighting of the charge lamp 32 based on the determination by the diagnosis unit 10.
- control devices 20A and 20B when switching between the model A circuit 3 and the model B circuit 4, the switching method is different.
- the control device 20A shown in FIG. 2 writes the switching data in the PROM 11 via the communication IF 6 and the memory controller 13.
- the control device 20B shown in FIG. 3 does not have a communication IF, the model A circuit 3 and the model B circuit 4 are switched by changing the mask ROM 15 by redesigning the layout.
- products equipped with different IFs such as these control devices 20A and 20B have to be developed as different varieties.
- the switching data is written in the PROM 11 via the communication IF 6 and the memory controller 13, and the model A circuit 3 and the model B circuit 4 are switched. Furthermore, the “communication IF valid” shared terminal setting data stored in the PROM 12 can be rewritten to “ramp IF valid” shared terminal setting data as needed. Therefore, the control device 2 according to the first embodiment can realize both functions of the control devices 20A and 20B of the comparative example with one LSI product and can be used for the vehicle generators 1A and 1B. it can.
- FIG. 4 shows a flow of processing for rewriting the shared terminal setting data of the PROM 12 in the manufacturing stage of the LSI constituting the control device 2.
- step S2 the common terminal setting data of “communication IF valid” is stored in the PROM 12 as an initial setting.
- step S2 the common terminal 8 is connected to the communication IF 6.
- step S3 after shipping the LSI, it is confirmed whether or not the LSI uses the lamp IF7.
- step S3 when the communication IF 6 is used after shipment of the LSI (NO), the process is terminated because the shipment is performed as it is.
- step S3 when the lamp IF 7 is used after shipment (YES), the process proceeds to step S4, and the shared terminal setting data in the PROM 12 is rewritten to “lamp IF valid” via the shared terminal 8, the communication IF 7, and the memory controller 13. Process.
- FIG. 5 shows a flow of processing for switching the IF connected to the shared terminal 8 based on the shared terminal setting data stored in the PROM 12 in the LSI constituting the control device 2 according to the first embodiment.
- the LSI PROM is the PROM that has undergone the processing in step S4 in FIG.
- step S5 of FIG. 5 it is determined whether the timer unit 14 has overflowed after the LSI power is turned on (after the asynchronous reset is released). If the timer unit 14 has not overflowed (NO), the process proceeds to step S6. If a specific command is received from the communication IF 6 in step S6 (YES), the timer unit 14 is cleared in step S7 and remeasurement is started. The process returns to step S5.
- step S6 If no specific command is received in step S6 (NO), the process returns to step S5. If the timer unit 14 overflows in step S5 (YES), the process proceeds to step S8, and the IF connected to the shared terminal 8 is switched from the communication IF 6 to the lamp IF 7 by the switch 9. Thereby, in step S6, the shared terminal 8 is connected to the lamp IF7.
- the PROM 12 can be rewritten again before the timer unit 14 overflows.
- the shared terminal setting data of the PROM 12 is rewritten to “communication IF valid” via the communication IF 6 between step S5 and step S6 or between step S7 and step S5.
- the control device 2 of the vehicle generator 1 it is necessary to store the common terminal setting data of “communication IF valid” as the initial setting of the PROM 12. Accordingly, the shared terminal setting data stored in the PROM 12 can be rewritten to “lamp IF valid” via the shared terminal 8 and the communication IF 6.
- the IF connected to the shared terminal 8 is not switched, and the timer unit 14 overflows since the timer unit 14 overflows from the power-on of the control device 2. Until then, the communication IF 6 is valid, and the shared terminal setting data stored in the PROM 12 can be rewritten to “communication IF valid” again.
- the first embodiment it is possible to suppress the increase in the number of terminals and the number of wirings, and to control the vehicle generator 1 that can be used for a plurality of models with one LSI type.
- the apparatus 2 is obtained, the number of LSI types to be developed can be suppressed, and development efficiency is improved.
- the embodiments can be appropriately modified and omitted within the scope of the invention.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
Description
この発明の上記以外の目的、特徴、観点及び効果は、図面を参照する以下のこの発明の詳細な説明から、さらに明らかになるであろう。
以下に、本発明の実施の形態1に係る車両用発電機の制御装置について、図面に基づいて説明する。図1は、本実施の形態1に係る車両用発電機の制御装置の構成を示すブロック図である。また、図2及び図3は、本発明の比較例である車両用発電機の制御装置の構成を示すブロック図である。なお、各図において、図中、同一、相当部分には、同一符号を付している。
Claims (7)
- 外部機器との間でデータの送受信を行う通信インターフェイス回路を含む複数のインターフェイス回路と、
前記複数のインターフェイス回路の共通の端子であり、スイッチ回路を介して前記複数のインターフェイス回路のいずれかと接続される共用端子と、
前記共用端子と接続される前記インターフェイス回路を設定する共用端子設定データが格納されると共に、共用端子設定データに基づいて前記スイッチ回路を制御し、前記共用端子と接続される前記インターフェイス回路の切り替えを行う不揮発性のプログラマブルROMを備えたことを特徴とする車両用発電機の制御装置。 - 前記通信インターフェイス回路が受信したデータを前記プログラマブルROMへ格納すると共に前記プログラマブルROMに格納されたデータの読み出しを行うメモリコントローラを備え、
前記プログラマブルROMに格納された共用端子設定データは、前記共用端子、前記通信インターフェイス回路、及び前記メモリコントローラを介して書き換えられることを特徴とする請求項1記載の車両用発電機の制御装置。 - 自装置及び自装置が制御する車両用発電機の状態を監視して異常の有無を判定する診断部を備えたことを特徴とする請求項1または請求項2に記載の車両用発電機の制御装置。
- 前記診断部による判定に基づいて車両用制御装置に接続されるランプの点灯を制御するランプインターフェイス回路を備え、
前記プログラマブルROMは、初期設定として前記通信インターフェイス回路が前記共用端子と接続されるように設定された共用端子設定データを格納しており、必要に応じて前記ランプインターフェイス回路が前記共用端子と接続されるように設定された共用端子設定データに書き換えられることを特徴とする請求項3記載の車両用発電機の制御装置。 - 自装置の電源投入から前記診断部による判定が可能となるまでの時間を計測するタイマー部を備え、
前記プログラマブルROMは、共用端子設定データが書き換えられた場合、自装置の次回の電源投入から前記タイマー部がオーバーフローした後に、書き換えられた共用端子設定データに基づいて前記共用端子と接続される前記インターフェイス回路の切り替えを行うことを特徴とする請求項3または請求項4に記載の車両用発電機の制御装置。 - 前記タイマー部がオーバーフローするまでの間に前記通信インターフェイス回路を介して特定のコマンドを受信した場合、前記タイマー部は初期状態に戻され、再度、時間の計測を開始することを特徴とする請求項5記載の車両用発電機の制御装置。
- 前記プログラマブルROMは、多重化または誤り訂正によって保護されていることを特徴とする請求項1から請求項6のいずれか一項に記載の車両用発電機の制御装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019519875A JP6714950B2 (ja) | 2017-05-24 | 2017-05-24 | 車両用発電機の制御装置 |
PCT/JP2017/019359 WO2018216136A1 (ja) | 2017-05-24 | 2017-05-24 | 車両用発電機の制御装置 |
US16/607,120 US11038449B2 (en) | 2017-05-24 | 2017-05-24 | Vehicle generator control device |
EP17910603.4A EP3633849A4 (en) | 2017-05-24 | 2017-05-24 | DEVICE FOR CONTROLLING A VEHICLE GENERATOR |
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PCT/JP2017/019359 WO2018216136A1 (ja) | 2017-05-24 | 2017-05-24 | 車両用発電機の制御装置 |
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WO2018216136A1 true WO2018216136A1 (ja) | 2018-11-29 |
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PCT/JP2017/019359 WO2018216136A1 (ja) | 2017-05-24 | 2017-05-24 | 車両用発電機の制御装置 |
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US (1) | US11038449B2 (ja) |
EP (1) | EP3633849A4 (ja) |
JP (1) | JP6714950B2 (ja) |
WO (1) | WO2018216136A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11418122B2 (en) | 2020-07-29 | 2022-08-16 | Fuji Electric Co., Ltd. | Integrated circuit and power supply circuit |
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JPH0739200A (ja) | 1993-07-16 | 1995-02-07 | Nippondenso Co Ltd | 車両用発電機の電圧制御装置 |
JPH1127260A (ja) | 1997-07-01 | 1999-01-29 | Sony Corp | Isdnターミナルアダプタ用多機能汎用ポート |
JP2009061968A (ja) * | 2007-09-07 | 2009-03-26 | Mitsubishi Electric Corp | 車両用発電システムの制御方法 |
JP2013191165A (ja) * | 2012-03-15 | 2013-09-26 | Ricoh Co Ltd | 電源管理装置及びそれを備えたマイクロプロセッサ、並びに電源管理システム |
JP2013219965A (ja) * | 2012-04-11 | 2013-10-24 | Mitsubishi Electric Corp | 車両用交流発電機の制御装置 |
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JP3518183B2 (ja) | 1996-08-01 | 2004-04-12 | 株式会社デンソー | 車両用発電機の制御装置及びそれを用いた車両用発電装置 |
EP1193825B1 (en) | 2000-09-28 | 2004-10-20 | Denso Corporation | Vehicle-mounted device control system |
JP4325100B2 (ja) | 2000-09-28 | 2009-09-02 | 株式会社デンソー | 車載機器制御装置 |
JP3835363B2 (ja) * | 2002-07-09 | 2006-10-18 | 株式会社デンソー | 車両用発電制御装置 |
JP4158513B2 (ja) * | 2002-12-24 | 2008-10-01 | 株式会社デンソー | 車両用発電制御装置 |
JP2007043825A (ja) * | 2005-08-03 | 2007-02-15 | Denso Corp | 車両用発電制御装置 |
JP4449882B2 (ja) * | 2005-10-14 | 2010-04-14 | 株式会社デンソー | 車両用発電制御装置 |
JP4558705B2 (ja) | 2006-12-12 | 2010-10-06 | 三菱電機株式会社 | 車両用交流発電機の制御装置 |
JP5595447B2 (ja) * | 2012-06-15 | 2014-09-24 | 三菱電機株式会社 | 車輌用交流発電機の制御装置及び制御方法 |
-
2017
- 2017-05-24 JP JP2019519875A patent/JP6714950B2/ja not_active Expired - Fee Related
- 2017-05-24 WO PCT/JP2017/019359 patent/WO2018216136A1/ja active Application Filing
- 2017-05-24 EP EP17910603.4A patent/EP3633849A4/en not_active Withdrawn
- 2017-05-24 US US16/607,120 patent/US11038449B2/en active Active
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JPH0739200A (ja) | 1993-07-16 | 1995-02-07 | Nippondenso Co Ltd | 車両用発電機の電圧制御装置 |
JPH1127260A (ja) | 1997-07-01 | 1999-01-29 | Sony Corp | Isdnターミナルアダプタ用多機能汎用ポート |
JP2009061968A (ja) * | 2007-09-07 | 2009-03-26 | Mitsubishi Electric Corp | 車両用発電システムの制御方法 |
JP2013191165A (ja) * | 2012-03-15 | 2013-09-26 | Ricoh Co Ltd | 電源管理装置及びそれを備えたマイクロプロセッサ、並びに電源管理システム |
JP2013219965A (ja) * | 2012-04-11 | 2013-10-24 | Mitsubishi Electric Corp | 車両用交流発電機の制御装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11418122B2 (en) | 2020-07-29 | 2022-08-16 | Fuji Electric Co., Ltd. | Integrated circuit and power supply circuit |
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Publication number | Publication date |
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EP3633849A1 (en) | 2020-04-08 |
EP3633849A4 (en) | 2020-05-13 |
JP6714950B2 (ja) | 2020-07-01 |
JPWO2018216136A1 (ja) | 2020-02-27 |
US11038449B2 (en) | 2021-06-15 |
US20200304046A1 (en) | 2020-09-24 |
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