网络控制类论文

好词好句摘录

网络延时建模

标签（空格分隔）： 好词好句摘录

1、Application domains such as military,industry,and medicine indicate a wide spectrum of possible implementations.

2、The typical point-to-point wiring scheme will make installation and maintenance more difficult.Therefore,a new type of wiring scheme has emerged.

3、The defining feature of an NCS is the information(reference input,plant output,control input,etc.)is exchanged using a network connecting control system components(sensors,controller,actuators,etc.).

4、Network-induced delay(sensor-to-controller delay and controller-to actuator delay)occurs while exchanging data among devices connected to the share medium.

5、This delaly,either constant or time varying,can degrade the performance of control systems designed without considering the delay and can even destabilize the system.

6、Similarly,in [36],authors did not provide any guidance on calculating network delay and the controller is not applicable to open-loop unstable system.

7、The resulting controller can make the closed loop system with a transition probability mean square stable.

8、It is important to include transmission error to the timing model because it is often unavoidable and it will substantially increase the response time.

9、From our analysis,we find that systems implemented through CAN and Profibus experience constant delay.Hence,we suggest using the restting Smith predictor to control the system.

10、It is unrealistic to consider current message retransmission because CAN is a priority based network so that high priority message retransmission will directly affect the response time for lower priority message.

11、However ,they did not consider the possibility of transmission error that leads to message retransmission.

12、They found that an UART is no longer suitable in this situation because it is only capable of point-to-point communication.

13、If all possible combinations of switches , sensors , motors , and other electrical devices in fully featured vehicles are accumulated, the resulting number of connections and dedicated wiring is enormous.

14、It is important to understand how the CAN protocol works because this will enable us to correctly formulate its timing behavior that is crucial to control applications.

15、As a result. The extended frame format evolved to provide compatibility with other serial communications protocols used in automotive applications in the USA.

16、Extended frame not only provide no practical advantage over standard frame , but also has numerous disadvantages as compare to standard frame.

17、In order to determine the maximum queuing time that message m will experience , we need to know the longest time that a low priority message can possibly hold the bus before arbitration starts.

18、This enables us to determine under what circumstances the system will break down.

19、This represents a new and more realistic model which has not been considered previously in the CAN literature.

20、Thus , our model will able to provide a more realistic timing behavior , as long as we have some idea on how frequent a message will be corrupted.

21、This limitation is not due to technological issues，but rather to its physical set-up.