JP2017507384A - タイマーを監視するための装置および方法 - Google Patents
タイマーを監視するための装置および方法 Download PDFInfo
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- JP2017507384A JP2017507384A JP2016541631A JP2016541631A JP2017507384A JP 2017507384 A JP2017507384 A JP 2017507384A JP 2016541631 A JP2016541631 A JP 2016541631A JP 2016541631 A JP2016541631 A JP 2016541631A JP 2017507384 A JP2017507384 A JP 2017507384A
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- Prior art keywords
- timer
- pulse duration
- counter
- clock
- monitoring
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/125—Discriminating pulses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—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
- 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
- B60R16/03—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 for supply of electrical power to vehicle subsystems or for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/02—Measuring characteristics of individual pulses, e.g. deviation from pulse flatness, rise time or duration
- G01R29/027—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values
- G01R29/0273—Indicating that a pulse characteristic is either above or below a predetermined value or within or beyond a predetermined range of values the pulse characteristic being duration, i.e. width (indicating that frequency of pulses is above or below a certain limit)
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/04—Generating or distributing clock signals or signals derived directly therefrom
-
- 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
- G06F11/0703—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
-
- 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
- G06F11/0703—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
-
- 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
- G06F11/0703—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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
- G06F11/3013—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is an embedded system, i.e. a combination of hardware and software dedicated to perform a certain function in mobile devices, printers, automotive or aircraft systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/19—Monitoring patterns of pulse trains
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/22—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral
- H03K5/26—Circuits having more than one input and one output for comparing pulses or pulse trains with each other according to input signal characteristics, e.g. slope, integral the characteristic being duration, interval, position, frequency, or sequence
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Quality & Reliability (AREA)
- Nonlinear Science (AREA)
- Mechanical Engineering (AREA)
- Computing Systems (AREA)
- Mathematical Physics (AREA)
- Debugging And Monitoring (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Safety Devices In Control Systems (AREA)
- Manipulation Of Pulses (AREA)
- Electronic Switches (AREA)
- Electric Clocks (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Abstract
Description
Claims (14)
- タイマー(μC Clock)を監視するための装置(WD+)であって、タイマー(μC Clock)が、周期的なクロック信号(ECLK)を生成するように構成されている装置(WD+)において、
該装置が、クロック信号(ECLK)のパルス継続時間(Tpeclkd)を監視するための手段を備えることを特徴とする装置(WD+)。 - 請求項1に記載の装置(WD+)において、
前記タイマー(μC Clock)が、車両用の人保護手段を制御する装置のためのタイマー(μC Clock)であり、前記装置(WD+)が、監視に応じて人保護手段の制御を遮断するための遮断信号(遮断)を生成する装置(WD+)。 - 請求項1又は2に記載の装置において、
前記装置が、パルス継続時間(Tpeclkd)を検出するための手段、特にカウンター(WD+ Counter)を備える装置。 - 請求項3に記載の装置において、
前記装置が、第2タイマー(WD+ Clock)を備え、特に装置(WD+)が第2タイマー(WD+ Clock)によってカウンター(WD+ Counter)を作動する装置。 - 請求項3又は4に記載の装置において、
前記パルス継続時間(Tpeclkd)を検出するための前記手段が、少なくとも1つのコンデンサ(Cref)および少なくとも1つのコンパレータ、特にウィンドウコンパレータを含む装置。 - 請求項1〜5のいずれか一項に記載の装置において、
該装置が、前記パルス継続時間(Tpeclkd)と、少なくとも1つの閾値(WD+_smin,WD+_smax,Vref_u,Vref_o)とを比較するための手段を備える装置。 - 請求項6に記載の装置において、
前記装置が、前記パルス継続時間(Tpeclkd)が下側閾値(WD+_smin,Vref_u)未満であるか、又は、上側閾値(WD+_smax,Vref_o)を超えている場合に、遮断信号(遮断)を生成する装置。 - タイマーを監視する方法(500)において、
前記タイマーが、周期的なクロック信号(ECLK)を生成する(501)ように構成されている方法において、
前記クロック信号のパルス継続時間(Tpeclkd)を監視する(502)ことを特徴とする方法(500)。 - 請求項8に記載の方法(500)において、
タイマー(μC Clock)が、車両用の人保護手段を制御する装置のためのタイマーであり、監視に応じて、前記人保護手段の制御を遮断するための遮断信号(遮断)を生成する方法(500)。 - 請求項8又は9に記載の方法(500)において、
カウンター(WD+ Counter)によってパルス継続時間(Tpeclkd)を検出する方法(500)。 - 請求項8又は9に記載の方法(500)において、
少なくとも1つのコンデンサ(Cref)の状態に依存して前記パルス継続時間(Tpeclkd)を検出する方法(500)。 - 請求項8〜11のいずれか一項に記載の方法(500)において、
前記パルス継続時間と、少なくとも1つの閾値(WD+_smin,WD+_smax,Vref_u,Vref_o)とを比較する方法(500)。 - 請求項9〜12のいずれか一項に記載の方法(500)において、
パルス継続時間(Tpeclkd)が下側閾値(WD+_smin,Vref_u)未満であるか、又は、上側閾値(WD+_smax,Vref_o)を超えている場合に、遮断信号(遮断)を生成する方法(500)。 - 請求項1〜7のいずれか一項に記載の装置(WD+)を含み、及び/又は請求項8〜13のいずれか一項に記載の方法(500)を実施するように構成されている制御器。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013226429.1A DE102013226429A1 (de) | 2013-12-18 | 2013-12-18 | Vorrichtung und Verfahren zur Überwachung eines Zeitgebers |
DE102013226429.1 | 2013-12-18 | ||
PCT/EP2014/076896 WO2015091059A1 (de) | 2013-12-18 | 2014-12-08 | Vorrichtung und verfahren zur überwachung eines zeitgebers |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018129734A Division JP2018173990A (ja) | 2013-12-18 | 2018-07-09 | タイマーを監視するための装置および方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017507384A true JP2017507384A (ja) | 2017-03-16 |
JP6416912B2 JP6416912B2 (ja) | 2018-10-31 |
Family
ID=52011231
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016541631A Expired - Fee Related JP6416912B2 (ja) | 2013-12-18 | 2014-12-08 | タイマーを監視するための装置および方法 |
JP2018129734A Pending JP2018173990A (ja) | 2013-12-18 | 2018-07-09 | タイマーを監視するための装置および方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2018129734A Pending JP2018173990A (ja) | 2013-12-18 | 2018-07-09 | タイマーを監視するための装置および方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9919665B2 (ja) |
JP (2) | JP6416912B2 (ja) |
CN (1) | CN106062720A (ja) |
DE (1) | DE102013226429A1 (ja) |
FR (1) | FR3015151B1 (ja) |
GB (1) | GB2540278A (ja) |
WO (1) | WO2015091059A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020177357A (ja) * | 2019-04-16 | 2020-10-29 | ローム株式会社 | ウォッチドッグタイマ |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102015117977A1 (de) | 2015-10-22 | 2017-04-27 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Schaltungsanordnung und Verfahren zur Überwachung eines Mikrocontrollers auf der Grundlage einer Wächterspannung |
ITUA20163454A1 (it) * | 2016-05-16 | 2017-11-16 | St Microelectronics Srl | Circuito di rilevazione di errore per un circuito di pilotaggio pwm, relativo sistema e circuito integrato |
FR3067946A1 (fr) | 2017-06-23 | 2018-12-28 | IFP Energies Nouvelles | Plateau distributeur pour colonne d'echange avec caisson pour la distribution du gaz |
FR3072177B1 (fr) * | 2017-10-09 | 2019-10-04 | Continental Automotive France | Procede de synchronisation pour la lecture d’un etat d’un contact electrique de vehicule automobile |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0552945U (ja) * | 1991-12-18 | 1993-07-13 | 日本電気ホームエレクトロニクス株式会社 | 暴走監視装置 |
JPH07141225A (ja) * | 1993-11-15 | 1995-06-02 | Nec Home Electron Ltd | 暴走監視装置 |
JP2013190853A (ja) * | 2012-03-12 | 2013-09-26 | Rohm Co Ltd | 半導体装置、車載機器、車両 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USH1793H (en) * | 1997-08-18 | 1999-04-06 | The United States Of America As Represented By The Secretary Of The Army | Thermal transient test system |
US7171576B2 (en) * | 2003-04-09 | 2007-01-30 | International Business Machines Corporation | Method, apparatus and program storage device for providing clocks to multiple frequency domains using a single input clock of variable frequency |
JP4266358B2 (ja) * | 2004-04-12 | 2009-05-20 | 三菱電機株式会社 | 車載電子制御装置 |
US7064694B1 (en) | 2005-04-27 | 2006-06-20 | Texas Instruments Incorporated | Multi-cycle, multi-slope analog to digital converter |
US7616021B2 (en) * | 2007-01-18 | 2009-11-10 | Advanced Micro Devices, Inc. | Method and device for determining an operational lifetime of an integrated circuit device |
US7884678B2 (en) * | 2009-01-14 | 2011-02-08 | Nuvoton Technology Corporation | Single-pin RC oscillator |
-
2013
- 2013-12-18 DE DE102013226429.1A patent/DE102013226429A1/de not_active Ceased
-
2014
- 2014-12-08 GB GB1612285.5A patent/GB2540278A/en not_active Withdrawn
- 2014-12-08 CN CN201480069583.1A patent/CN106062720A/zh active Pending
- 2014-12-08 JP JP2016541631A patent/JP6416912B2/ja not_active Expired - Fee Related
- 2014-12-08 WO PCT/EP2014/076896 patent/WO2015091059A1/de active Application Filing
- 2014-12-08 US US15/104,749 patent/US9919665B2/en not_active Expired - Fee Related
- 2014-12-17 FR FR1462650A patent/FR3015151B1/fr not_active Expired - Fee Related
-
2018
- 2018-07-09 JP JP2018129734A patent/JP2018173990A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0552945U (ja) * | 1991-12-18 | 1993-07-13 | 日本電気ホームエレクトロニクス株式会社 | 暴走監視装置 |
JPH07141225A (ja) * | 1993-11-15 | 1995-06-02 | Nec Home Electron Ltd | 暴走監視装置 |
JP2013190853A (ja) * | 2012-03-12 | 2013-09-26 | Rohm Co Ltd | 半導体装置、車載機器、車両 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020177357A (ja) * | 2019-04-16 | 2020-10-29 | ローム株式会社 | ウォッチドッグタイマ |
JP7304731B2 (ja) | 2019-04-16 | 2023-07-07 | ローム株式会社 | ウォッチドッグタイマ |
Also Published As
Publication number | Publication date |
---|---|
GB201612285D0 (en) | 2016-08-31 |
FR3015151A1 (fr) | 2015-06-19 |
WO2015091059A1 (de) | 2015-06-25 |
US20160339856A1 (en) | 2016-11-24 |
JP2018173990A (ja) | 2018-11-08 |
GB2540278A (en) | 2017-01-11 |
CN106062720A (zh) | 2016-10-26 |
US9919665B2 (en) | 2018-03-20 |
JP6416912B2 (ja) | 2018-10-31 |
FR3015151B1 (fr) | 2019-08-02 |
DE102013226429A1 (de) | 2015-06-18 |
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