Vehicle SMS Remote Diagnostic System
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Solution Overview
Problem
Existing systems for communicating with and controlling automotive electronics require specialized equipment and internet connectivity, which is costly and not always available, especially in remote locations, limiting remote and cost-effective communication and control capabilities.
Innovation Solution
A vehicle-integrated communication system utilizing text messaging (SMS) to receive commands and send responses through a microcontroller coupled with the machine control system, allowing authorized senders to perform operations and retrieve data without needing internet connectivity, using GSM/GPRS hardware and a security module for secure communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If specialized equipment and internet connectivity are used for communicating with automotive electronics, then communication reliability and control capability are improved, but hardware cost and system complexity increase
Solution Approach 1:
The patent uses SMS text messaging as an intermediary communication channel between the user's mobile phone and the vehicle's control system. This intermediary approach allows communication without requiring specialized automotive communication equipment or continuous internet connectivity, thereby reducing hardware complexity while maintaining reliable two-way communication for commands and diagnostics
Solution Approach 2:
The system leverages the universal SMS messaging capability that is already widely available in mobile phones, eliminating the need for vehicle-specific communication hardware. By using a universally available communication protocol, the system reduces device complexity while maintaining communication reliability across different platforms and networks
2Measurement precision
If specialized equipment is used for retrieving data from automobile control systems, then diagnostic accuracy is improved, but cost and accessibility worsen
Solution Approach 1:
The system enables the vehicle's control system to autonomously respond to diagnostic requests by processing commands received via SMS and automatically generating appropriate responses. This self-service capability allows the vehicle to perform diagnostic functions without requiring external specialized diagnostic equipment, thereby improving accessibility while maintaining diagnostic accuracy through the vehicle's own control systems
Solution Approach 2:
SMS messaging serves as an intermediary that bridges the gap between simple mobile phone interfaces and complex automotive control systems, enabling accurate data retrieval and command execution without requiring users to possess specialized diagnostic equipment
3Loss of information
If internet connectivity is required for remote communication with vehicles, then data transmission capability is improved, but availability and cost worsen
Solution Approach 1:
The patent employs SMS messaging as an intermediary communication protocol that operates independently of internet infrastructure. This allows the system to maintain data transmission capability through a more reliable and universally available channel, especially in remote locations where internet connectivity may be unavailable or expensive
Data Source
AI summary
A system incorporated in a vehicle is disclosed. The system includes a communication system including a text messaging communication hardware to receive a message via a text messaging service. The message includes a command. The system also includes a microcontroller, coupled to the communication system and a machine control system, to execute the command through the machine control system. The machine control system is configured to control components of the vehicle. The microcontroller is configured to determine if a configuration allows execution of the received command and to return a response to the communication system.