Sensor network system and operational method of the same

• US 10,505,831 B2
• Filed: 05/30/2017
• Issued: 12/10/2019
• Est. Priority Date: 11/28/2014
• Status: Active Grant

• Current Assignee: ROHM Co., Ltd.
• Original Assignee: ROHM Co., Ltd.
• Inventors: Naiki, Takashi
• Primary Examiner(s): Javaid, Jamal
• Application Number:
  US15/608,368
• Publication Number:
  US 20170339035A1
• Time in Patent Office: 924 Days
• CPC Class Codes: G08C 25/00 Arrangements for preventing or correcting errors; Monitoring arrangements
• CPC Class Codes: H04L 41/0661 by reconfiguring faulty entities
• CPC Class Codes: H04L 41/0681 Configuration of triggering conditions
• CPC Class Codes: H04L 43/0817 by checking functioning
• CPC Class Codes: H04L 67/10 in which an application is distributed across nodes in the network software deployment G06F8/60; multiprogramming arrangements G06F9/46
• CPC Class Codes: H04L 67/125 involving control of end-device applications over a network

Abstract

A sensor network system including: a sensor object; a plurality of sensor node communication terminals mounted on the sensor object, and respectively including a plurality of sensor elements each having a function equivalent to one another; a data server configured to store sensor information of the plurality of the sensor elements for plurality of every sensor node communication terminals; and a data management unit configured to analyze the sensor information stored in the data server, wherein the data management unit executes self-diagnostics of failures of the plurality of the sensor elements and the plurality of the sensor node communication terminals in accordance with a failure diagnosis algorithm, and thereby maintenance of the sensor element or sensor node communication terminal determined to be in failure can be performed.

Claims

1. A sensor network system comprising:

a sensor object;

a plurality of sensor node communication terminals mounted on the sensor object, the plurality of the sensor node communication terminals respectively comprising a plurality of sensor elements having a function equivalent to one another;

a data server configured to store sensor information for every plurality of the sensor node communication terminals obtained by the plurality of the sensor elements; and

a data management unit configured to analyze the sensor information stored in the data server, wherein

each sensor node communication terminal removes a noise from the sensor information obtained by each sensor element in each sensor node communication terminal and transmits the sensor information to the data server, and

the data management unit executes self-diagnostics of failures of the plurality of the sensor elements and the plurality of the sensor node communication terminals in accordance with a failure diagnosis algorithm, on the basis of the sensor information of each sensor element received and stored by the data server, the sensor information from which the noise has been removed, and thereby maintenance of the sensor element or sensor node communication terminal determined to be in failure can be performed.

2. The sensor network system according to claim 1, further comprising:

a cloud computing system connectable to the plurality of the sensor node communication terminals through an Internet, wherein

the data management unit is connected to the cloud computing system through a first exclusive Internet, and

the data server is connected to the cloud computing system through a second exclusive Internet.

3. The sensor network system according to claim 2, wherein

the data management unit can access to the data server through the first exclusive Internet, the cloud computing system, and the second exclusive Internet.

4. The sensor network system according to claim 2, wherein

the sensor node communication terminal and the cloud computing system connectable through the Internet can be connected to each other by any one of wired communication or wireless communication.

5. A sensor network system comprising:

a sensor object;

a plurality of sensor node communication terminals mounted on the sensor object, the plurality of the sensor node communication terminals respectively comprising a plurality of sensor elements having a function equivalent to one another; and

a host communication terminal comprising a data storage unit and a data management unit, the data storage unit configured to collect and store sensor information for the plurality of every sensor node communication terminals obtained in the plurality of the sensor elements, the data management unit configured to analyze the sensor information stored in the data storage unit, wherein

each sensor node communication terminal removes a noise from the sensor information obtained by each sensor element in each sensor node communication terminal and transmits the sensor information to the data server, and

the data management unit executes self-diagnostics of failures of the plurality of the sensor elements and the plurality of the sensor node communication terminals in accordance with a failure diagnosis algorithm, on the basis of the sensor information of each sensor element received and stored by the data server, the sensor information from which the noise has been removed, and thereby maintenance of the sensor element or sensor node communication terminal determined to be in failure can be performed.

7. The sensor network system according to claim 5, wherein

the plurality of the sensor node communication terminals and the host communication terminals can be connected to each other by any one of wired communication or wireless communication.

6. A sensor network system comprising:

a sensor object;

a plurality of sensor node communication terminals mounted on the sensor object, the plurality of the sensor node communication terminals respectively comprising a plurality of sensor elements having a function equivalent to one another;

a host communication terminal configured to collect sensor information for every plurality of the sensor node communication terminals obtained by the plurality of the sensor elements;

a data server configured to store the sensor information for every plurality of the sensor node communication terminals obtained by the plurality of the sensor elements; and

a data management unit configured to analyze the sensor information stored in the data server, wherein

each sensor node communication terminal removes a noise from the sensor information obtained by each sensor element in each sensor node communication terminal and transmits the sensor information to the data server, and

the data management unit executes self-diagnostics of failures of the plurality of the sensor elements and the plurality of the sensor node communication terminals in accordance with a failure diagnosis algorithm, on the basis of the sensor information of each sensor element received and stored by the data server, the sensor information from which the noise has been removed, and thereby maintenance of the sensor element or sensor node communication terminal determined to be in failure can be performed.

8. The sensor network system according to claim 6, further comprising:

a cloud computing system connectable to the plurality of the host communication terminals through an Internet, wherein

the data management unit is connected to the cloud computing system through a first exclusive Internet, and

the data server is connected to the cloud computing system through a second exclusive Internet.

9. The sensor network system according to claim 8, wherein

the data management unit can access to the data server through the first exclusive Internet, the cloud computing system, and the second exclusive Internet.

10. The sensor network system according to claim 8, wherein

the host communication terminal and the cloud computing system connectable through the Internet can be connected to each other by any one of wired communication or wireless communication.

11. A sensor network system comprising:

a sensor object;

a plurality of group network systems mounted on the sensor object, the plurality of the group network systems respectively including a plurality of sensor node communication terminals and a host communication terminal, each of the sensor node communication terminals including a plurality of sensor elements, each of the sensor elements having a function equivalent to one another, the host communication terminal configured to collect sensor information for every plurality of the sensor node communication terminals obtained by the plurality of the sensor elements;

a data server configured to store the sensor information for every plurality of the sensor node communication terminals obtained by the plurality of the sensor elements; and

a data management unit configured to analyze the sensor information stored in the data server, wherein

each sensor node communication terminal removes a noise from the sensor information obtained by each sensor element in each sensor node communication terminal and transmits the sensor information to the data server, and

the data management unit executes self-diagnostics of failures of the plurality of the sensor elements and the plurality of the sensor node communication terminals in accordance with a failure diagnosis algorithm, on the basis of the sensor information of each sensor element received and stored by the data server, the sensor information from which the noise has been removed, and thereby maintenance of the sensor element or sensor node communication terminal determined to be in failure can be performed.

12. The sensor network system according to claim 11, wherein

the plurality of the sensor node communication terminals and the host communication terminals can be connected to each other by any one of wired communication or wireless communication, in the plurality of the group network systems.

13. The sensor network system according to claim 11, further comprising:

a cloud computing system connectable to the plurality of the host communication terminals through an Internet, wherein

the data management unit is connected to the cloud computing system through a first exclusive Internet, and

the data server is disposed in the cloud computing system.

14. The sensor network system according to claim 13, wherein

the data management unit is accessible to the data server through the first exclusive Internet.

15. The sensor network system according to claim 13, wherein

the host communication terminal and the cloud computing system connectable through the Internet can be connected to each other by any one of wired communication or wireless communication.

16. An operational method of a sensor network system comprising:

in a plurality of sensor node communication terminals mounted on a sensor object, the plurality of the sensor node communication terminals respectively comprising a plurality of sensor elements having a function equivalent to one another,

obtaining sensor information by each sensor element in each sensor node communication terminal;

removing a noise from the sensor information obtained by each sensor node communication terminal and transmitting the sensor information to a data management unit;

receiving, by the data management unit, measured values of the sensor information from which the noise has been removed of a plurality of sensor elements, and storing the received measured values therein;

excepting, by the data management unit, a sensor element already failed therefrom to be analyzed;

determining, by the data management unit, whether or not a variation in each measured value is within a relationship range;

analyzing, by the data management unit, the measured value of an available sensor element if a result of the determination is YES;

determining, by the data management unit, the corresponding sensor element as a failure if the result of the determination is NO, and analyzing the measured value of the available sensor element;

determining, by the data management unit, whether or not a failure level is not less than a reference value;

completing, by the data management unit, failure determination if the failure level is less than the reference value;

performing, by the data management unit, maintenance of the corresponding sensor element if the failure level is not less than the reference value; and

completing, by the data management unit, the failure determination after resetting failure information of the corresponding sensor element.