JP2015118495A5 - - Google Patents
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- JP2015118495A5 JP2015118495A5 JP2013260767A JP2013260767A JP2015118495A5 JP 2015118495 A5 JP2015118495 A5 JP 2015118495A5 JP 2013260767 A JP2013260767 A JP 2013260767A JP 2013260767 A JP2013260767 A JP 2013260767A JP 2015118495 A5 JP2015118495 A5 JP 2015118495A5
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- signal
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- processing
- control device
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- 238000001514 detection method Methods 0.000 claims 11
- 238000003745 diagnosis Methods 0.000 claims 8
- 230000005540 biological transmission Effects 0.000 claims 5
- 238000000605 extraction Methods 0.000 claims 3
- 239000000284 extract Substances 0.000 claims 1
Claims (7)
前記第一の処理装置と同一の処理を実行する第二の処理装置と、
前記第一の処理装置の処理結果と前記第二の処理装置の処理結果とを照合し、不一致である場合には処理を停止し、一致する場合には処理を継続する信号保安用制御装置において、
前記第一の処理装置は、自らの処理結果に特定のデータを付加したデータ信号を出力し、
前記第二の処理装置は、自らの処理結果から誤り検知符号を生成し、
前記信号保安用制御装置は、
前記データ信号を受信し、前記特定のデータを抽出する抽出部と、
前記抽出される特定のデータと前記生成された誤り検知符号との一致不一致を判断する診断部と、
前記データ信号を受信し、前記データ信号に付加された特定のデータを前記診断部から受信する誤り検知符号に置き換え、前記特定のデータが前記誤り検知符号に置き換えられた前記データ信号を外部へ送信する置換部と
を備え、
前記診断部は、
前記一致を確認した場合、前記置換部へ前記誤り検知符号を送信し、
前記不一致を確認した場合、前記置換部による外部へのデータ信号の送信を停止させる
ことを特徴とする信号保安用制御装置。 A first processing device;
A second processing device that executes the same processing as the first processing device;
In the signal security control device that compares the processing result of the first processing device and the processing result of the second processing device, stops the processing if they do not match, and continues the processing if they match ,
The first processing device outputs a data signal obtained by adding specific data to its processing result,
The second processing device generates an error detection code from its processing result,
The signal security control device is:
An extraction unit that receives the data signal and extracts the specific data;
A diagnostic unit that determines whether the extracted specific data and the generated error detection code match or not;
Receiving the data signal, replacing the specific data added to the data signal with an error detection code received from the diagnostic unit, and transmitting the data signal with the specific data replaced with the error detection code to the outside And a replacement part
The diagnostic unit
If the match is confirmed, the error detection code is transmitted to the replacement unit,
When the mismatch is confirmed, the signal security control device is characterized in that transmission of the data signal to the outside by the replacement unit is stopped.
前記特定のデータは、前記第一の処理装置が自らの処理結果から生成する誤り検知符号のビット反転データであり、
前記診断部は、前記特定のデータと前記第二の処理装置から受信する前記誤り検知信号をビット反転させたデータとから前記一致不一致を判断する
ことを特徴とする信号保安用制御装置。 In the signal security control device according to claim 1,
The specific data is bit-inverted data of an error detection code generated from the processing result of the first processing device,
The signal security control device, wherein the diagnosis unit determines the coincidence mismatch from the specific data and data obtained by bit-inverting the error detection signal received from the second processing device.
前記特定のデータは、固定データであり、
前記診断部は、前記第二の処理装置から前記誤り検知符号と共に前記固定データを受信するかまたは自ら前記固定データを設定しておき、前記特定のデータと当該固定データとから前記一致不一致を判断する
ことを特徴とする信号保安用制御装置。 In the signal security control device according to claim 1,
The specific data is fixed data,
The diagnosis unit receives the fixed data together with the error detection code from the second processing device or sets the fixed data by itself, and determines the coincidence / inconsistency from the specific data and the fixed data. A control device for signal security.
前記置換部から外部へのデータ送信をオンオフするためのスイッチ手段を設け、
前記診断部は、前記一致を判断した時に前記スイッチ手段にオン指示を送信し、前記不一致を判断した時に前記スイッチ手段にオフ指示を送信する
ことを特徴とする信号保安用制御装置。 In the signal security control device according to any one of claims 1 to 3,
Providing a switch means for turning on and off data transmission from the replacement unit to the outside;
The signal security control device, wherein the diagnosis unit transmits an ON instruction to the switch unit when the match is determined, and transmits an OFF instruction to the switch unit when the mismatch is determined.
前記スイッチ手段に対して前記診断部からテストデータを送信する経路および前記スイッチ手段からの送信出力を前記診断部に取り込む経路を設け、
前記診断部は、前記スイッチ手段にオフ信号を送信しそれに続いてテストデータを送信して前記スイッチ手段からの送信出力の受信状態を判定し、それに続いて前記スイッチ手段にオン信号を送信し前記スイッチ手段からの送信出力の受信状態を判定して、前記スイッチ手段の故障診断を行う
ことを特徴とする信号保安用制御装置。 In the signal security control device according to claim 4,
Providing a path for transmitting test data from the diagnostic unit to the switch means and a path for taking the transmission output from the switch means into the diagnostic unit;
The diagnosis unit transmits an off signal to the switch unit, subsequently transmits test data to determine a reception state of a transmission output from the switch unit, and subsequently transmits an on signal to the switch unit A control apparatus for signal security characterized by determining a reception state of a transmission output from a switch means and performing a failure diagnosis of the switch means.
前記診断部は、前記スイッチ手段の故障を検知すると前記第一および第二の処理装置に処理停止の指示を送信する
ことを特徴とする信号保安用制御装置。 In the signal security control device according to claim 5,
When the diagnosis unit detects a failure of the switch unit, the diagnosis unit transmits a processing stop instruction to the first and second processing devices.
前記第一および第二の処理装置は、複数の処理結果を組にして送信し、
前記抽出部は、前記特定のデータの抽出を前記組ごとに前記誤り検知符号の位置およびサイズの情報を基に行い、
前記診断部は、前記組ごとに前記特定のデータと前記誤り検知符号との一致不一致を判断し、
前記置換部は、前記組ごとに前記特定のデータを前記誤り検知符号に置き換える
ことを特徴とする信号保安用制御装置。
In the signal security control device according to any one of claims 1 to 3,
The first and second processing devices transmit a plurality of processing results as a set,
The extraction unit performs the extraction of the specific data based on the position and size information of the error detection code for each set,
The diagnosis unit determines a match / mismatch between the specific data and the error detection code for each set,
The signal replacement control apparatus, wherein the replacement unit replaces the specific data with the error detection code for each set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013260767A JP6059652B2 (en) | 2013-12-18 | 2013-12-18 | Signal security control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013260767A JP6059652B2 (en) | 2013-12-18 | 2013-12-18 | Signal security control device |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015118495A JP2015118495A (en) | 2015-06-25 |
| JP2015118495A5 true JP2015118495A5 (en) | 2016-03-24 |
| JP6059652B2 JP6059652B2 (en) | 2017-01-11 |
Family
ID=53531175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013260767A Active JP6059652B2 (en) | 2013-12-18 | 2013-12-18 | Signal security control device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6059652B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7277229B2 (en) * | 2019-04-12 | 2023-05-18 | ファナック株式会社 | Control device, control method and control program |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60157603A (en) * | 1984-01-27 | 1985-08-17 | Hitachi Ltd | Feed flow rate controller for nuclear reactor |
| JP2970164B2 (en) * | 1991-12-10 | 1999-11-02 | 日本電気株式会社 | Switching circuit |
| JPH10340102A (en) * | 1997-06-09 | 1998-12-22 | East Japan Railway Co | Serial communication device |
| JP5025402B2 (en) * | 2007-09-28 | 2012-09-12 | 株式会社日立製作所 | High safety control device |
| JP5574627B2 (en) * | 2009-06-12 | 2014-08-20 | 三菱重工業株式会社 | Redundant system |
-
2013
- 2013-12-18 JP JP2013260767A patent/JP6059652B2/en active Active
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