新型智能汽车油门防误踩系统的研究

Research on a New Intelligent System of Preventing Mistakenly Stepping on Accelerator Pedal

摘要:

分析了目前汽车交通安全以及同类油门防误踩系统的的状况,依据“低成本高可靠,低功耗高速度”的宗旨,采用MSP430超低功耗单片机,MMA1220D型传感器和触底开关设计了一种新型汽车油门防误踩系统；详细的阐述了本系统的设计思想,硬件工作原理和软件设计特点,对于究竟何时判断为油门误踩提出了新的见解和方案,该方案在保证准确性的前提下简化了系统部件也降低了成本,达到了防止驾驶员误踩油门发生交通事故的目的。

Abstract:

This paper analyzes the current vehicle traffic safety and similar throttle control by system, based on the tenet of "high reliability and low cost, low power consumption and high speed".The new intelligent system of preventing mistakenly stepping on accelerator pedal adopts ultra-low power MCU of MSP430, the sensor of MMA1220D and bottom switch. It elaborates the design idea, the hardware principles and software design characteristics of this system. It puts forward new ideas and solutions to judge exactly when to throttle. This scheme guarantees the accuracy, simplifies the system and reduces the cost. At the same time it prevents the driver mistakenly stepping on accelerator pedal in order to avoid traffic accident.