JP5681215B2 - 故障マスキング係数を定めるための逆方向解析の改善 - Google Patents
故障マスキング係数を定めるための逆方向解析の改善 Download PDFInfo
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- JP5681215B2 JP5681215B2 JP2012555347A JP2012555347A JP5681215B2 JP 5681215 B2 JP5681215 B2 JP 5681215B2 JP 2012555347 A JP2012555347 A JP 2012555347A JP 2012555347 A JP2012555347 A JP 2012555347A JP 5681215 B2 JP5681215 B2 JP 5681215B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/3183—Generation of test inputs, e.g. test vectors, patterns or sequences
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/3183—Generation of test inputs, e.g. test vectors, patterns or sequences
- G01R31/318342—Generation of test inputs, e.g. test vectors, patterns or sequences by preliminary fault modelling, e.g. analysis, simulation
- G01R31/318357—Simulation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/317—Testing of digital circuits
- G01R31/3181—Functional testing
- G01R31/3183—Generation of test inputs, e.g. test vectors, patterns or sequences
- G01R31/318342—Generation of test inputs, e.g. test vectors, patterns or sequences by preliminary fault modelling, e.g. analysis, simulation
- G01R31/31835—Analysis of test coverage or failure detectability
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
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Description
シングル・イベント・トランジエント(SET:Single−Event−Transient):導線の電圧レベルにおける短時間の雑音パルス、
シングル・イベント・アプセット(SEU:Single−Event−Upset):記憶セル内の状態又は情報の反転又は変更)。
タイミング・ディレーティング(TD:Timing Derating)
タイミング・ディレーティングは、或るレジスタ又はラッチから次のレジスタ又はラッチへの信号の移動時間によって、即ち、一段を通過する際に同期式回路設計において生じる効果である。
所謂ロジック・ディレーティングは、回路の全論理関数に基づく実際の誤りの数に対する、見える誤りの削減に相当する。ロジック・ディレーティングは、回路の適用のみならず、回路自体の構造にも依存する。レジスタの内容に誤りがあるがその状態がもはや引き続いて処理されない場合には常に、ロジック・ディレーティングのことを述べており、その際、プロセッサのクロックゲーティング(Clock Gating)又は分岐予測(Branch−Prediction)からの情報を利用することが可能である。ここでは、代替的に、「ソフトエラー感度係数」(Soft Error Sensitivity Factor)又は「脆弱性係数」(Vulnerability Factor)という名称も利用される。
G=(N、V、N×V)
−レジスタの集合R(レジスタ)
−組合せ挙動による回路関数の集合L(回路)
−入力信号無しで生成される信号(例えば、定数、特別なHW(ハードウェア)信号)の集合I(独立、Independent)
−回路の入力及び出力の集合E(環境)
N=R∪L∪I∪E
−遅延を含むシミュレーション、遅延を用いた解析
−遅延の無いシミュレーション、解析時に遅延を積分演算(rechnerische Einbindung)
Claims (7)
- 電子回路(503)における故障可観測性を定める方法であって、各素子(400、402、500、502)について、発生した故障が解析出力信号(406、408、412)の異常を引き起こしうる期間が定められ、
第1のステップで、シミュレーション段階において、シミュレーションモデル及び回路シミュレータによって、前記電子回路(503)の挙動がシミュレートされ、第2のステップで、解析段階において、各素子(400、402、500、502)について、発生した故障が解析出力信号(406、408、412)の異常を引き起こしうる期間が定められ、
前記シミュレーション段階において遅延が利用されず、前記解析段階において、前記遅延の積分演算が行われる、方法。 - 回路シミュレーションは順方向に行われる、請求項1に記載の方法。
- 回路シミュレーションは逆方向に行われる、請求項1に記載の方法。
- 全ての素子(400、402、500、502)に対して、シミュレーション時間の終了について関連する初期状態が設定される、請求項1又は2に記載の方法。
- 前記電子回路(503)内の素子(400、402、500、502)について故障マスキング係数を定めるために利用される、請求項1〜4のいずれか1項に記載の方法。
- テストパターンの故障検出率を定めるために利用される、請求項1〜5のいずれか1項に記載の方法。
- 請求項1〜6のいずれか1項に記載の特徴を備えた方法を実行するための、電子回路(503)内の故障可観測性を定める構成。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010002563 | 2010-03-04 | ||
DE102010002563.1 | 2010-03-04 | ||
DE102010040035.1 | 2010-08-31 | ||
DE102010040035A DE102010040035A1 (de) | 2010-03-04 | 2010-08-31 | Verbesserungen der Rückwärts-Analyse zur Bestimmung von Fehlermaskierungsfaktoren |
PCT/EP2011/051786 WO2011107321A1 (de) | 2010-03-04 | 2011-02-08 | Verbesserungen der rückwärts-analyse zur bestimmung von fehlermaskierungsfaktoren |
Publications (2)
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JP2013521483A JP2013521483A (ja) | 2013-06-10 |
JP5681215B2 true JP5681215B2 (ja) | 2015-03-04 |
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JP2012555347A Expired - Fee Related JP5681215B2 (ja) | 2010-03-04 | 2011-02-08 | 故障マスキング係数を定めるための逆方向解析の改善 |
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Country | Link |
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US (1) | US8732649B2 (ja) |
EP (1) | EP2542904B1 (ja) |
JP (1) | JP5681215B2 (ja) |
KR (1) | KR20130008035A (ja) |
CN (1) | CN102770777B (ja) |
DE (1) | DE102010040035A1 (ja) |
IN (1) | IN2012DN05264A (ja) |
WO (1) | WO2011107321A1 (ja) |
Cited By (1)
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TWI760347B (zh) * | 2016-10-27 | 2022-04-11 | 南韓商三星電子股份有限公司 | 粒子撞擊模擬方法 |
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US9829494B2 (en) | 2005-12-01 | 2017-11-28 | Adrenomed Ag | Methods of treatment using ADM antibodies |
DK3553084T3 (da) | 2011-11-16 | 2023-02-20 | Adrenomed Ag | Anti-adrenomedullin (adm)-antistof eller anti-adm-antistoffragment eller anti-adm-non-ig-scaffold til forebyggelse eller reduktion af organdysfunktion eller organsvigt hos en patient med en kronisk eller akut sygdom eller akut tilstand |
SG11201402362VA (en) | 2011-11-16 | 2014-06-27 | Adrenomed Ag | Anti-adrenomedullin (adm) antibody or anti-adm antibody fragment or anti-adm non-ig scaffold for reducing the risk of mortality in a patient having a chronic or acute disease or acute condition |
EP2780370B1 (en) | 2011-11-16 | 2019-09-25 | AdrenoMed AG | Anti-adrenomedullin (adm) antibody or anti-adm antibody fragment or anti-adm non-ig scaffold for use in therapy of an acute disease or acute condition of a patient for stabilizing the circulation |
LT2780371T (lt) | 2011-11-16 | 2019-05-27 | Adrenomed Ag | Adrenomeduliną (adm) atpažįstantis antikūnas arba anti-adm antikūno fragmentas, arba anti-adm ne ig struktūros karkasas, skirti paciento, sergančio lėtine arba ūmia liga, skysčių pusiausvyros reguliavimui |
DK2780717T3 (en) | 2011-11-16 | 2017-02-13 | Sphingotec Gmbh | ADRENOMEDULLINASSAYS AND METHODS FOR DETERMINING MODERN ADRENOMEDULLIN |
US8719747B2 (en) * | 2012-01-31 | 2014-05-06 | Mentor Graphics Corporation | Single event upset mitigation for electronic design synthesis |
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US10013581B2 (en) * | 2014-10-07 | 2018-07-03 | Nuvoton Technology Corporation | Detection of fault injection attacks |
JP6863460B2 (ja) * | 2017-06-05 | 2021-04-21 | 富士通株式会社 | ソフトエラー検査方法、ソフトエラー検査装置及びソフトエラー検査システム |
US10691572B2 (en) * | 2017-08-30 | 2020-06-23 | Nvidia Corporation | Liveness as a factor to evaluate memory vulnerability to soft errors |
US11022649B2 (en) * | 2018-11-30 | 2021-06-01 | Arm Limited | Stabilised failure estimate in circuits |
US10747601B2 (en) * | 2018-11-30 | 2020-08-18 | Arm Limited | Failure estimation in circuits |
CN109634797A (zh) * | 2018-12-18 | 2019-04-16 | 上海交通大学 | 一种用寄存器屏蔽窗口分析寄存器架构敏感因子的方法 |
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US11663113B2 (en) | 2020-02-20 | 2023-05-30 | International Business Machines Corporation | Real time fault localization using combinatorial test design techniques and test case priority selection |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI760347B (zh) * | 2016-10-27 | 2022-04-11 | 南韓商三星電子股份有限公司 | 粒子撞擊模擬方法 |
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KR20130008035A (ko) | 2013-01-21 |
IN2012DN05264A (ja) | 2015-08-07 |
DE102010040035A1 (de) | 2011-09-08 |
CN102770777B (zh) | 2015-05-20 |
US8732649B2 (en) | 2014-05-20 |
JP2013521483A (ja) | 2013-06-10 |
EP2542904A1 (de) | 2013-01-09 |
CN102770777A (zh) | 2012-11-07 |
US20130061104A1 (en) | 2013-03-07 |
WO2011107321A1 (de) | 2011-09-09 |
EP2542904B1 (de) | 2014-04-16 |
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