APPARATUS AND METHOD FOR PROCESSING SENSOR DATA FOR VEHICLE USING EXTENSIBLE MARKUP LANGUAGE

• US 20110161804A1
• Filed: 12/24/2010
• Published: 06/30/2011
• Est. Priority Date: 12/28/2009
• Status: Active Grant

• Current Assignee: Korea Electronics Technology Institute (Government of South Korea)
• Original Assignee: Korea Electronics Technology Institute (Government of South Korea)
• Inventors: PARK, Sang Hyun, MIN, Soo Young, KO, Jae Jin, Lee, Chul Dong
• Granted Patent: US 8,909,412 B2
• Time in Patent Office: Days
• US Class Current: 715/239
• CPC Class Codes: H03M 7/707 Structured documents, e.g. XML
• CPC Class Codes: H04L 67/12 specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Abstract

An apparatus and a method for processing sensor data for a vehicle using an unified data format eXtensible Markup Language in process of data communication between various vehicle sensors and a vehicle application system, which facilitates transmit and receive data processing in terms of a vehicle network of the sensors and the application system are provided. The apparatus for processing the sensor data for the vehicle using the XML includes a plurality of vehicle sensors installed inside the vehicle for detecting a change of physical quantity and providing a detection signal; a sensor transducer for converting the detection signal of the vehicle sensors to an electrical analog signal; a signal conditioning unit for amplifying the electrical analog signal to a measurable signal; an Analog/Digital Converter (ADC) for converting the amplified analog signal to sensor data of a digital signal; a frame generator for generating and providing the sensor data converted to the digital signal per frame; and a sensor data converter comprising a Dynamic data Exchange Channel (DEC) for batch-processing the sensor data input from the frame generator per frame, in an XML format. The DEC of the sensor data converter defines a structure of the sensor data using a schema of the XML and converts the sensor data format to the XML format at the same time.

Claims

1. An apparatus for processing sensor data for a vehicle using an eXtensible Markup Language (XML), comprising:

a plurality of vehicle sensors installed inside the vehicle for detecting a change of physical quantity and providing a detection signal;

a sensor transducer for converting the detection signal of the vehicle sensors to an electrical analog signal;

a signal conditioning unit for amplifying the electrical analog signal to a measurable signal;

an Analog/Digital Converter (ADC) for converting the amplified analog signal to sensor data of a digital signal;

a frame generator for generating and providing the sensor data converted to the digital signal per frame; and

a sensor data converter comprising a Dynamic data Exchange Channel (DEC) for batch-processing the sensor data input from the frame generator per frame, in an XML format,

wherein the DEC of the sensor data converter defines a structure of the sensor data using a schema of the XML and converts the sensor data format to the XML format at the same time.

2. The apparatus of claim 1, wherein the DEC comprises:

an XML processing module for analyzing and generating basic XML;

a data processing module for assembling the sensor data in the XML format or analyzing the XML data, and verifying a format according to the schema; and

a template library for providing various useful functions required to transmit, process, and store the sensor data.

3. The apparatus of claim 2, wherein the data processing module comprises:

a configurator for configuring location and type of the sensor and the schema;

a schema fetcher for analyzing a schema file defined by a configuration file and having corresponding contents;

a schema reader for aggregating schemas, defining a data format, and providing the XML data format; and

an XML builder for receiving the XML data format from the schema reader and generating the aggregated sensor data in the XML data format according to the defined schema.

4. The apparatus of claim 3, wherein the data processing module further comprises:

an XML reader for analyzing and constituting existing XML data in a tree structure, and modifying, searching, and extracting intended information if necessary.

5. The apparatus of claim 2, wherein the XML processing module provides an Application Programming Interface (API) required to analyze and to generate the XML by providing an XML processing function based on Document Object Model (DOM).

6. The apparatus of claim 2, wherein the template library comprises:

a thread for providing a multithread function to collect a plurality of sensor data at the same time;

a synchronization processor for synchronizing the sensor data;

a socket for establishing a communication channel required to collect the sensor data; and

a data container for containing the collected data.

7. The apparatus of claim 1, wherein the sensor data converter comprises a 32-bit CPU for processing 32-bit sensor data provided from the frame generator.

8. A method for processing sensor data for a vehicle using an eXtensible Markup Language (XML), comprising:

a) detecting, at a plurality of vehicle sensors installed inside the vehicle, a signal according to a change of physical quantity;

b) converting the signal to an electrical analog signal to analyze state of the signals detected by the vehicle sensors;

c) amplifying the electrical analog signal to a measurable signal;

d) converting the amplified analog signal to sensor data of a digital signal;

e) generating frames of the sensor data of the digital signal and providing the sensor data per frame; and

f) converting, at a Dynamic data Exchange Channel (DEC), the sensor data provided per frame, to an XML-format data,

wherein the DEC defines a structure of the sensor data using a schema of the XML and converts the sensor data format to the XML format at the same time.

9. The method of claim 8, further comprising:

storing or outputting the converted XML-format sensor data.

10. The method of claim 8, wherein the DEC of the step f) comprises an XML processing module, a data processing module, and a template library, and

the step f) comprises:

f-1) collecting the sensor data through the template library;

f-2) acquiring, at the XML processing module, type and location of the sensors and the schema by reading a configuration file;

f-3) reading, at the XML processing module, the schema defining the data format;

f-4) acquiring, at a schema fetcher of the data processing module, the schema structure by analyzing the schema;

f-5) aggregating, at a schema reader of the data processing module, schemas, defining the data format, and providing the XML data format; and

f-6) generating, at an XML builder of the data processing module, XML data corresponding to the sensor data according to the XML data format.

11. The method of claim 10, further comprising:

analyzing and constituting existing XML data in a tree structure, and modifying, searching, and extracting intended information if necessary.