Vehicle Control Unit With Reconfigurable Data Transmission Mapping
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Solution Overview
Problem
Current vehicle control units have limited flexibility in data exchange, making them inflexible and incompatible with various control units, sensors, and actuators, especially in markets with diverse vehicle types and low production volumes.
Innovation Solution
A control unit with a data memory containing initial lists of reference numbers associated with data points and transmission parameters, allowing reassignment and modification of data transmission methods, enabling adaptable data exchange through external configuration and diagnostic services.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If data exchange is permanently pre-configured in control units, then device complexity is reduced and manufacturing is simplified, but adaptability to different control units, sensors, and actuators deteriorates
Solution Approach 1:
The patent implements dynamic reconfigurability by allowing the data exchange configuration to be changed after manufacturing. The control unit can adapt its data transmission parameters (such as data rate, frame format, protocol) through external configuration during operation, transforming a static pre-configured system into a dynamic adaptable one. This resolves the contradiction by maintaining manufacturing simplicity while enabling post-manufacturing adaptability.
Solution Approach 2:
The patent enables parameter changes in data transmission characteristics (data rate, frame structure, protocol type) after the control unit has been manufactured. By allowing these parameters to be modified through external configuration or diagnostic services, the system achieves adaptability to different sensors, actuators, and control units without requiring complex manufacturing processes for each configuration variant.
2Device complexity
If data transmission parameters are fixed during production, then device complexity is minimized, but flexibility for individual configuration deteriorates
Solution Approach 1:
The patent prepares multiple predefined data transmission parameter sets during manufacturing, each optimized for different application scenarios. These pre-configured parameter sets are stored in the control unit's memory, allowing rapid switching between different configurations without requiring complex real-time calculation or configuration. This approach maintains relatively simple device architecture while enabling flexible individual configuration through parameter selection.
Solution Approach 2:
The patent introduces an external configuration interface or diagnostic service as an intermediary between the user and the control unit's internal parameters. This intermediary simplifies the configuration process by providing user-friendly methods to select and apply appropriate parameter sets, reducing the complexity burden on the control unit itself while enabling flexible individual configuration. The intermediary handles the complexity of parameter management externally.
3Reliability
If control units use standardized data transmission methods, then compatibility is improved, but adaptability to diverse vehicle types with low production volumes deteriorates
Solution Approach 1:
The patent implements multi-functionality by enabling the control unit to operate with multiple different data transmission parameter sets. The same physical control unit can be configured for different vehicle types, applications, and communication requirements by selecting appropriate parameter sets. This universal design allows a single control unit model to serve multiple purposes, improving both compatibility through standardized options and adaptability through configurable selection.
Solution Approach 2:
The patent enables parameter changes in data transmission characteristics (data rate, frame format, protocol) to adapt to diverse vehicle types. By allowing these parameters to be modified through external configuration or diagnostic services, the system achieves adaptability to different sensors, actuators, and control units without requiring complex manufacturing processes for each configuration variant.
Data Source
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AI summary
The invention relates to a control device for a vehicle, having an interface for exchanging data with a sensor, an actuator and/or a computing unit, further having a data store, wherein in the data store a first list containing a plurality of first reference numbers (port) is stored, wherein at least one datum of a sensor or actuator is assigned to a first reference number, wherein in the data store, a second list containing second reference numbers is stored, wherein at least one parameter of a data transmission is stored for each second reference number, wherein a first reference number can be assigned, by means of a changeable assignment, to a second reference number, wherein the control device is designed to receive and/or send the data of a first reference number in accordance with the parameter of data transmission of the second reference number.