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A survey on securing UAS cyber physical systems

机译:关于保障UAS网络物理系统安全的调查

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摘要

An Unmanned Aerial System (UAS) Flight Control System (FCS) is an example of a Cyber Physical System (CPS), in that it integrates computation, networking, and the control of a physical system, i.e., the aircraft. An FCS contains a Central Processing Unit (CPU), typically in the form of a microcontroller, referred to as the autopilot, connected to many subsystems to measure its environment, including accelerations, angular rates, dynamic and absolute pressures, and position. The autopilot periodically extracts data from the on-board sensors and processes those using navigational algorithms. The results of these computations are used to position actuators connected to the control surfaces of the UASs, causing it to fly in a correct way to perform the required mission. This process is performed in real-time, typically at the rate of 50 Hz or more. Any interruption or corruption of this process can cause the UAS to fail to perform its mission, or ultimately crash and be destroyed. This can result in significant loss of property, or even loss of life. A security compromised UAS can pose a serious threat, and the security vulnerabilities in their control system need to be minimized, if not completely eliminated [1].
机译:无人航空系统(UAS)飞行控制系统(FCS)是网络物理系统(CPS)的一个示例,它集成了物理系统(即飞机)的计算,联网和控制。 FCS包含一个中央处理器(CPU),通常以微控制器的形式(称为自动驾驶仪)连接到许多子系统,以测量其环境,包括加速度,角速度,动态和绝对压力以及位置。自动驾驶仪会定期从车载传感器中提取数据,并使用导航算法对其进行处理。这些计算的结果用于定位连接到UAS的控制表面的执行器,从而使其以正确的方式飞行以执行所需的任务。此过程通常以50 Hz或更高的速率实时执行。该过程的任何中断或破坏都可能导致UAS无法执行其任务,或最终崩溃并被摧毁。这可能会导致财产严重损失,甚至造成生命损失。受到安全威胁的UAS可能构成严重威胁,并且如果不能完全消除,则必须将其控制系统中的安全漏洞最小化[1]。

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