Multiplexed electronic control systems
First Claim
Patent Images
1. A multiplexed electronic control system for a motor vehicle comprising a plurality of electronic control modules, the modules being networked so that information is transmitted from one module to another, and a network monitor in each module;
- said network monitor comprising means associated with each of a plurality of said modules for generating at regular intervals, a unique module identifying message comprising unique identifier information which reflects the function of the associated module and vehicle model when each module is properly functioning and means associated with each of said plurality of modules for monitoring the identifying messages received from the other modules to determine which module has malfunctioned due to the absence of its unique identifier information from its identifying message.
2 Assignments
0 Petitions
Accused Products
Abstract
A network monitor in a multiplex control system monitors the condition of the network and individual modules of the system by causing individual modules in the system to generate, at regular time intervals, a unique identifying message and to monitor the identifying messages to individually determine the condition of the system.
31 Citations
11 Claims
-
1. A multiplexed electronic control system for a motor vehicle comprising a plurality of electronic control modules, the modules being networked so that information is transmitted from one module to another, and a network monitor in each module;
- said network monitor comprising means associated with each of a plurality of said modules for generating at regular intervals, a unique module identifying message comprising unique identifier information which reflects the function of the associated module and vehicle model when each module is properly functioning and means associated with each of said plurality of modules for monitoring the identifying messages received from the other modules to determine which module has malfunctioned due to the absence of its unique identifier information from its identifying message.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
Specification