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Driver presses the brake or clutch pedal.
System detects a malfunction.
• Engine power is insufficient to maintain the set speed.
A low-speed threshold (e.g., below 30 km/h) is reached.
The system should provide clear feedback to the driver regarding the current status (e.g., "Cruise Control Active," "Set Speed," "Adaptive Distance") through visual indicators or display messages. The software should include diagnostics capabilities,alerting the driver to any faults in sensors, actuators, or other cruise control components.
In additional, the CCS must prioritize safety, adhering to automotive safety standards (e.g., ISO 26262). This includes failsafe mechanisms to deactivate the system safely in case of errors. It should be highly reliable under all standard driving conditions, including rain, fog, and night driving, though it may have limitations in severe weather conditions.The CCS should respond in real-time, ensuring that adjustments in speed and distance happen without lag. The CCS must perform consistently under different driving speeds,varying loads, and sensor inputs. Performance should not degrade with complex processing demands and optimize resource usage (e.g., processor and memory), ensuring that safety-critical processes are prioritized, and that the system remains functional even with limited resources. CCS will be installed in many car models for many countries so that it should support multi-languages and be intuitive, enabling the driver to operate the system with minimal distraction. The interface should be user-friendly and accessible.
The CCS project is a new development system project and a safety critical system required high quality standard and confidentiality so that the requirements must be clear and well-defined before development. With the current resources of the Toyota's Software
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