JP2018132957A - 制御装置および制御プログラム更新方法 - Google Patents
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0426—Programming the control sequence
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0796—Safety measures, i.e. ensuring safe condition in the event of error, e.g. for controlling element
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
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- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
- G05B23/0297—Reconfiguration of monitoring system, e.g. use of virtual sensors; change monitoring method as a response to monitoring results
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- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
- G06F11/0736—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function
- G06F11/0739—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment in functional embedded systems, i.e. in a data processing system designed as a combination of hardware and software dedicated to performing a certain function in a data processing system embedded in automotive or aircraft systems
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- G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
- G06F11/0751—Error or fault detection not based on redundancy
- G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
- G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
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- G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
- G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
- G06F11/3419—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment by assessing time
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Abstract
Description
10 ECU
11 マイコン
12 電源IC
50 更新用端末
111 制御部
111a プログラム実行部
111b 更新要求受付部
111c 監視方式切替要求部
111d ソフトリセット処理部
111e 起動判定部
112 記憶部
112a 更新要求情報
112b ソフトリセット履歴
112c 制御プログラム
112d 更新用プログラム
C 車両
N ネットワーク
Claims (5)
- 制御プログラムを実行する主処理部と、
質問に相当する送信内容を前記主処理部へ送信し、前記質問に対する前記主処理部からの回答を評価する第1の監視方式によって前記主処理部を監視する監視部と
を備え、
前記主処理部は、
前記制御プログラムの更新要求を受け付けた場合に、前記監視部に対し、前記第1の監視方式から当該主処理部のウォッチドッグ信号を監視する第2の監視方式への切り替えを行わせること
を特徴とする制御装置。 - 前記主処理部は、
前記制御プログラムの更新要求を受け付けた場合に、前記制御プログラムを更新する更新用プログラムを前記制御プログラムに替えて起動するプログラム移行へ推移するものであって、
前記プログラム移行は、
装置電源を保持した状態での前記主処理部の再起動を含み、
前記主処理部は、
前記プログラム移行に際し、前記再起動の前に、前記第1の監視方式から前記第2の監視方式への切り替えを行わせること
を特徴とする請求項1に記載の制御装置。 - 前記主処理部は、
前記第2の監視方式による監視開始後、かつ、前記再起動の前に、前記監視部へ向けて前記ウォッチドッグ信号を少なくとも1回、強制的に出力すること
を特徴とする請求項2に記載の制御装置。 - 前記主処理部は、
前記再起動を経て前記更新用プログラムを起動した直後から前記ウォッチドッグ信号を周期的に出力すること
を特徴とする請求項2または3に記載の制御装置。 - 制御プログラムを実行する主処理部と、質問に相当する送信内容を前記主処理部へ送信し、前記質問に対する前記主処理部からの回答を評価する第1の監視方式によって前記主処理部を監視する監視部とを備える制御装置を用いた制御プログラム更新方法であって、
前記制御プログラムの更新要求を受け付けた場合に、前記監視部に対し、前記第1の監視方式から前記主処理部のウォッチドック信号を監視する第2の監視方式への切り替えを行わせる切替要求工程
を含むことを特徴とする制御プログラム更新方法。
Priority Applications (3)
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JP2017026330A JP6692763B2 (ja) | 2017-02-15 | 2017-02-15 | 制御装置および制御プログラム更新方法 |
US15/837,208 US10591884B2 (en) | 2017-02-15 | 2017-12-11 | Controller and control program updating method |
CN201810087763.2A CN108427609B (zh) | 2017-02-15 | 2018-01-29 | 控制器和控制程序更新方法 |
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JP2017026330A JP6692763B2 (ja) | 2017-02-15 | 2017-02-15 | 制御装置および制御プログラム更新方法 |
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JP2018132957A true JP2018132957A (ja) | 2018-08-23 |
JP6692763B2 JP6692763B2 (ja) | 2020-05-13 |
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US (1) | US10591884B2 (ja) |
JP (1) | JP6692763B2 (ja) |
CN (1) | CN108427609B (ja) |
Cited By (4)
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CN111061243A (zh) * | 2018-10-17 | 2020-04-24 | 联合汽车电子有限公司 | 电子控制器程序流监控系统及方法 |
JP2020194262A (ja) * | 2019-05-27 | 2020-12-03 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
KR102219432B1 (ko) * | 2019-12-12 | 2021-02-26 | 현대모비스 주식회사 | 와치독 장치 및 그 제어 방법 |
JP2021082489A (ja) * | 2019-11-20 | 2021-05-27 | 株式会社富士通ゼネラル | 電子機器 |
Families Citing this family (5)
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CN109582486B (zh) * | 2018-11-20 | 2023-04-28 | 厦门科灿信息技术有限公司 | 一种看门狗监测方法、系统及设备和存储介质 |
CN109591732B (zh) * | 2019-01-09 | 2021-04-13 | 浙江吉利汽车研究院有限公司 | 汽车上电控制方法、装置、整车控制器及汽车 |
US11036573B2 (en) * | 2019-05-16 | 2021-06-15 | Ford Global Technologies, Llc | Control processor unit (CPU) error detection by another CPU via communication bus |
US10936397B2 (en) * | 2019-05-23 | 2021-03-02 | Ford Global Technologies, Llc | Hybrid control module status communication system and method |
FR3115373B1 (fr) * | 2020-10-20 | 2023-06-02 | Psa Automobiles Sa | Gestion de la supervision d’un composant électronique d’un véhicule terrestre à moteur |
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CN111061243A (zh) * | 2018-10-17 | 2020-04-24 | 联合汽车电子有限公司 | 电子控制器程序流监控系统及方法 |
JP2020194262A (ja) * | 2019-05-27 | 2020-12-03 | 日立オートモティブシステムズ株式会社 | 電子制御装置 |
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US10591884B2 (en) | 2020-03-17 |
CN108427609B (zh) | 2021-05-25 |
CN108427609A (zh) | 2018-08-21 |
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