| At present,the study on smart home system mainly focuses on the connectivity of different format standard of peripheral equipment,which is a control method of single time mechanical automation mode.In this mode,the perceive life trajectory,the communication between people and enviorment,and more personalized service can not be achieved in the smart home system.Therefore,the personnel positioning system was put forward in the smart home control system,based on the analysis and comparison of current several different indoor wireless location technologies.The indoor personnel positioning function of intelligent hardware and software solutions was formed by choosing a suitable indoor positioning technology application in the smart home system.Firstly,corresponding to the intelligent home systems and related concepts of indoor wireless personnel positioning system and related technology are studied,design and build the traditional intelligent household system application environment as the basis of the next step and indoor wireless personnel positioning system integration platform.For different indoor positioning technology prototype theory and quality instructions and application perspective,the infrared,ultrasonic,computer vision,bluetooth,WLAN,RF,Zig Bee and ultra-wideband ten different technology was studied and analyzed.According to the positioning accuracy,security,penetration,anti-interference ability,the use of power,transmission distance and the use cost of these aspects are analyzed and compared,and finally through the alignment with intelligent household applications and considering the cost and other factors,such as transmission distance,has chosen the Zig Bee indoor positioning technology solutions.Secondly,the plan of investgating indoor personnel positioning system is designed,the hardware of the indoor personnel positioning system of intelligent household was built,and the function of the system was confirmed.Based on the introduction of the translate and edit platform,the software of the i ndoor personnel positioning system was designed,and the important code of the system was given.In order to insure the function of the indoor personnel positioning system,tests were made.Finally,sysmetic experiments for the function of the indoor personnel positioning system were carried out.It is showed that the methods to set the referenced sites of Zig Bee bring obious influence to the precision of the personnel positioning.Better results of personnel positioning were got in the same plane of the referenced sites of Zigbee,rather than that in different planes.The bigger area of the test space and the more barriers will bring lager error distance of personnel positioning.Therefore,more referenced sites of Zig Bee should be set to get more accurate results of personnel positioning.Based on the analysis and the experimental results verified the proposed interior personnel positioning technology applied in the intelligent household system is correct and practical value. |
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