Hot-standby fault detection and recovery method based on bus controllers
A bus controller and fault detection technology, which is applied to the bus network, radio transmission system, data exchange through path configuration, etc., can solve the problems of hidden safety hazards, undiscovered, and uncollected data, etc., to reduce fault losses, Effect of improving reliability and safety
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[0028] The preferred embodiments of the present invention are given below in conjunction with the accompanying drawings to describe the technical solution of the present invention in detail.
[0029] Such as Figure 1 to Figure 2 As shown, the bus controller-based dual-computer fault detection and recovery method of the present invention comprises the following steps:
[0030] S1. Each remote unit on the bus periodically sends a data backup request to the bus controller;
[0031] S2. The bus controller obtains the backup data of the remote unit and stores it locally;
[0032] S3. The bus controller periodically sends test commands to each remote unit to test whether it is in a normal working state;
[0033] S4. Each remote unit processes the test command according to the corresponding requirements after receiving the test command, and stores the test result in the bus buffer area;
[0034] S5. The bus controller obtains the test result;
[0035] S6. The bus controller judg...
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