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    • 4. 发明申请
    • SYSTEM AND METHOD PROVIDING FAULT DETECTION CAPABILITY
    • 提供故障检测能力的系统和方法
    • WO2009022272A2
    • 2009-02-19
    • PCT/IB2008053175
    • 2008-08-07
    • NXP BVFUHRMANN PETERBAUMEISTER MARKUSZINKE MANFRED
    • FUHRMANN PETERBAUMEISTER MARKUSZINKE MANFRED
    • H04L12/24
    • H04L41/06H04L12/40006H04L41/28H04L63/123H04L67/12H04L69/40H04L2012/40215H04L2012/40234H04L2012/40241H04L2012/40273
    • A system and method for providing fault detection capability is provided which comprises a first node (2). The first node (2) comprises a first processing subsystem (5) generating data (14) to be transmitted. The first node (2) has a fault supervisor unit (13) adapted to gather and process fault indications arising in the first node (2). The first processing subsystem (5) and the fault supervisor unit are both integrated in the first node (2). The first node (2) is structured such that, when no fault indications are detected by the fault supervisor unit (13), the fault supervisor unit (13) provides a first key (15) as a validity key, and, when at least one fault indication is detected by the fault supervisor unit (13), the fault supervisor unit (13) provides a second key (16) as the validity key, and the data (14) to be transmitted are encrypted by overlaying the respective validity key (15; 16) on the data.
    • 提供了一种用于提供故障检测能力的系统和方法,其包括第一节点(2)。 第一节点(2)包括生成要发送的数据(14)的第一处理子系统(5)。 第一节点(2)具有适于收集和处理在第一节点(2)中出现的故障指示的故障管理器单元(13)。 第一处理子系统(5)和故障管理器单元都集成在第一节点(2)中。 第一节点(2)被构造成使得当故障管理器单元(13)未检测到故障指示时,故障管理器单元(13)提供第一密钥(15)作为有效性密钥,并且当至少 故障管理器单元(13)检测到一个故障指示,故障管理器单元(13)提供第二密钥(16)作为有效性密钥,并且要发送的数据(14)通过覆盖相应的有效性密钥 (15; 16)上的数据。
    • 5. 发明申请
    • SYSTEM FOR PROVIDING FAULT TOLERANCE FOR AT LEAST ONE MICRO CONTROLLER UNIT
    • 用于为最小一个微控制器单元提供故障公差的系统
    • WO2009024884A3
    • 2009-10-29
    • PCT/IB2008053178
    • 2008-08-07
    • NXP BVFUHRMANN PETERBAUMEISTER MARKUSZINKE MANFRED
    • FUHRMANN PETERBAUMEISTER MARKUSZINKE MANFRED
    • G06F11/07
    • G06F11/0739B60T2270/406B60T2270/413G06F11/079G06F11/0793
    • The invention relates to a system for providing fault tolerance for at least one micro controller unit, hereinafter called MCU (10). The MCU receives information from at least one sensor (11) coupled to the MCU (10) and outputs information to at least one actuator (12) coupled to the MCU (10). To provide a system for controlling or influencing the fault tolerance or the error processing of at least one MCU without requiring a replication of software or hardware components and which is able to react differently on various events it is proposed to include a System Supervision unit (200), hereinafter called SSU (200), in the MCU (10). The SSU (200) reacts on error reports included in information (301, 302, 303, 325) received at the SSU (200); wherein the SSU (200) is adapted to switch into one of a plurality of predetermined states based on the information (301, 302, 303) received and based on a state history of the MCU (10); and to output at least one instruction to the MCU (10) or to an external control device (230) coupled to the MCU (10) to control at least the MCU (10) and/or the connected devices (11, 12) based on the new state into which the SSU is switched. Such system could be easily adapted to the respective application.
    • 本发明涉及一种用于为至少一个微控制器单元(以下称为MCU(10))提供容错的系统。 MCU从耦合到MCU(10)的至少一个传感器(11)接收信息,并向耦合到MCU(10)的至少一个致动器(12)输出信息。 为了提供用于控制或影响至少一个MCU的容错或错误处理的系统,而不需要复制软件或硬件组件,并且能够在各种事件上作出不同的反应,建议包括系统监督单元(200 ),以下称为SSU(200),在MCU(10)中。 SSU(200)对在SSU(200)上接收的信息(301,302,303,325)中包括的错误报告作出反应; 其中所述SSU(200)适于基于所接收的信息(301,302,303)并且基于所述MCU(10)的状态历史来切换到多个预定状态之一。 并将至少一个指令输出到MCU(10)或耦合到MCU(10)的外部控制装置(230),至少控制MCU(10)和/或所连接的装置(11,12) 在SSU切换到的新状态。 这样的系统可以容易地适应于相应的应用。
    • 6. 发明申请
    • CLOCK SUPERVISION UNIT
    • 时钟监控单元
    • WO2009031060A3
    • 2009-05-07
    • PCT/IB2008053329
    • 2008-08-20
    • NXP BVZINKE MANFREDFUHRMANN PETERBAUMEISTER MARKUS
    • ZINKE MANFREDFUHRMANN PETERBAUMEISTER MARKUS
    • G06F11/16
    • G06F11/1604G06F1/14H03K5/19
    • The present invention relates to a clock supervision unit (100) and an electronic system clocked by at least one clock (c*) and using the clock supervision unit (100). The clock supervision unit (100) analyzes the at least one clock (c*) based on a monitor clock (m*) provided together with the at least one clock (c*) or separately to the clock supervision unit (100). The clock supervision unit (100) at least comprises an activity unit (210), a deviation unit (220) and an auxiliary clock generator (240). The auxiliary clock generator (240) outputs an auxiliary clock (a*). The activity unit (210) detects the presence of the monitor clock (m*) based on the auxiliary clock (a*) and the presence of the auxiliary clock (a*) based on the monitor clock (m*). The deviation unit (220) detects clock faults in the monitor clock (m*) based on the auxiliary clock (a*). With the clock supervision unit (100) according to the present invention, the at least one clock (c*) can be supervised in more detail and it is possible to react on different clock faults in the at least one clock c* with different error handling procedures, e.g. by initiating a shutdown of the devices controlled by the electronic system.
    • 本发明涉及时钟监视单元(100)和由至少一个时钟(c *)计时并使用时钟监视单元(100)的电子系统。 时钟监视单元(100)基于与至少一个时钟(c *)一起提供的监视器时钟(m *)或者单独地向时钟监视单元(100)分析至少一个时钟(c *)。 时钟监控单元(100)至少包括活动单元(210),偏差单元(220)和辅助时钟发生器(240)。 辅助时钟发生器(240)输出辅助时钟(a *)。 活动单元(210)基于辅助时钟(a *)和基于监视时钟(m *)的辅助时钟(a *)的存在来检测监视时钟(m *)的存在。 偏差单元(220)基于辅助时钟(a *)检测监视时钟(m *)中的时钟故障。 利用根据本发明的时钟监视单元(100),可以更详细地监视至少一个时钟(c *),并且可以针对具有不同误差的至少一个时钟c *中的不同时钟故障作出反应 处理程序,例如 通过启动由电子系统控制的设备的关闭。