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1. 发明公开

EP3483673A1 METHOD AND COMPUTER SYSTEM TO CONSISTENTLY CONTROL A SET OF ACTUATORS 有权转让
公开(公告)号：EP3483673A1
公开(公告)日：2019-05-15
申请号：EP17201657.8
申请日：2017-11-14
申请人： TTTech Computertechnik AG
发明人： Niedrist, Georg , TRAXLER, Stefan , Schmidt, Eric , Steiner, Wilfried
IPC分类号： G05B9/03 , H04L12/40
摘要： A method for transmitting control commands (F-A100, F-A200) in a computer system, wherein said computer system comprises components at least in form of nodes (A100, A200), actuators (ACT1, ACT2, ACT3) and communication systems (COM1, COM2), wherein said control commands (F-A100, F-A200) are communicated over said communication systems (COM1, COM2) from said nodes (A100, A200) to said actuators (ACT1, ACT2, ACT3), and wherein one, two, or more components (A100, A200, IF100, IF200, COM1, COM2, IF11, IF12, IF13, IF21, IF22, IF23, ACT1, ACT2, AT3) of the computer system may fail to operate according their specification, and wherein for consistently accepting control commands (F-A100, F-A200) at said actuators (ACT1, ACT2, ACT3) nodes (A100, A200) and their control commands (F-A100, F-A200) are assigned priorities, wherein a node and its control commands have the same priority, wherein at least two priorities (HIGH, LOW) are used, wherein a high priority node (A100) produces high priority control commands (F-A100) and a low priority node (A200) produces low priority control commands (F-A200), and wherein a high priority node (A100) is configured to communicate its control commands (F-A100) over at least two communication systems (COM1, COM2) to the actuators (ACT1, ACT2, ACT3) and a low priority node (A200) is configured to communicate its low priority control commands (F-A200) over at least one communication system (COM2) to the actuators (ACT1, ACT2, ACT3), and wherein an actuator (ACT1, ACT2, ACT3) accepts the high priority control commands (F-A100) from the high priority node (A100) as long as it receives said high priority control commands (F-A100) on any one of the at least two communication systems (COM1, COM2) and in this first case discards the low priority control commands (F-A200), and stops to accept said high priority control commands (F-A100) in case said actuator (ACT1, ACT2, ACT3) does not receive said high priority control commands (F-A100) from any communication system (COM1, COM2) of the at least two communication systems (COM1, COM2) for a configurable duration, and in which second case the actuator (ACT1, ACT2, ACT3) starts to accept low priority control commands (F-A200).

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