Portable Embedded System Reprogramming Device
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Solution Overview
Problem
Current embedded systems in vehicles lack user interfaces for adjusting initial settings, limiting users' ability to customize parameters such as horsepower, speed, and emissions, which affects performance and efficiency.
Innovation Solution
A portable reprogramming device with a microprocessor, memory, and hardware for communication over multiple protocols, enabling users to reconfigure embedded systems, extract information, and present it in a user-friendly format, allowing for adjustments and monitoring of parameters like horsepower, speed, and emissions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If embedded systems are designed with fixed initial parameters for reliability and security, then system stability is improved, but user customization capability deteriorates
Solution Approach 1:
The patent implements a boot loader that is pre-configured with reprogramming capabilities and authentication mechanisms. This preliminary action allows the system to maintain fixed initial parameters for reliability while enabling authorized users to customize parameters through a controlled reprogramming process. The boot loader contains pre-written code that facilitates parameter modification without compromising system stability.
Solution Approach 2:
The patent introduces a reprogramming device as an intermediary between the user and the embedded system. This intermediary contains a microprocessor and memory that communicate with the embedded system through controlled interfaces, allowing parameter customization while maintaining system reliability through authenticated communication protocols and controlled data transfer.
2Adaptability or versatility
If embedded systems allow parameter adjustment for performance enhancement, then adaptability is improved, but system complexity increases
Solution Approach 1:
The patent divides the reprogramming functionality into separate components: a reprogramming device with microprocessor and memory, and an embedded system with boot loader. This segmentation allows parameter adjustment capability to be added without increasing the complexity of the core embedded system, as the reprogramming functions are isolated in the external device.
3Ease of operation
If reprogramming capabilities are added to embedded systems for customization, then ease of operation is improved, but security risks increase
Solution Approach 1:
The patent implements authentication mechanisms in the boot loader that prevent unauthorized reprogramming attempts before they can compromise system security. This preliminary anti-action ensures that only authenticated users can access and modify parameters, maintaining security integrity while allowing ease of operation for authorized users.
Solution Approach 2:
The patent incorporates verification processes that provide feedback during the reprogramming operation. The system verifies the authenticity of reprogramming requests and confirms successful parameter modifications, ensuring security integrity while maintaining ease of operation through clear status indication.
Data Source
AI summary
A reprogramming device is used for reprogramming embedded systems. The reprogramming device comprises a microprocessor, a memory programmed with software to accomplish the reprogramming of distinctly different embedded systems architectures, and one or more hardware devices that facilitate communication over multiple protocols contained in a portable package designed for both one-time and multi-occurrence use scenarios. In some embodiments, the reprogramming device is able to be used to enhance one or more attributes of performance of existing embedded systems through the reconfiguration of internally stored parameters. In some embodiments, the reprogramming device is also to be used to extract and receive information and instruction from existing embedded systems and enable useful presentation of this information. As a result, the reprogramming device is able to be used to adjust and/or monitor the parameters of the on-board diagnostics computer of a vehicle to ensure peak performance and detect errors.