Prepared By: Kopila Sharma

 Enables communication between two or more system.  Uses standard network protocols for communication.  Do not use network cabling Two types of network  Infrastructure Network  Ad-hoc Network

 Wireless Sensor Network. ◦ Wireless Monitoring System is the results of the wireless sensor network.  What is Wireless Sensor Network?  Wireless network.  Consists of spatially distributed devices.  Uses sensors to monitor.

 Considered as small Computers.  Consists Processing Unit with limited computational power.  Limited Memory.  Communication device Usually radio transceivers.  Power source in the form of battery.

 Flexibility ◦ Easier to upgrade and add new devices. ◦ Eliminates the complexity of the system.  Cost ◦ Reduced installation labor. ◦ Easier to diagnose the efficiency of the process.

 Security and Reliability ◦ Authentication. ◦ Encryption.  Integration with Existing Systems  Difficult to integrate with existing system.  Difficult to modify.  Battery Life  Tradeoff between power consumption and amount of data collected.  Alternative energy are also in research.

 Wireless Monitoring is used to monitor the condition of the civil infrastructure.  An experiment was done by “Department of Civil Engineering, National Taiwan University, Taipei, Taiwan”.  Experimented with 3-story steel frame instrumented with wireless sensors for shaking table test.

 With the designed converter different sensor signals can be used as input to the wireless sensing unit for monitoring purpose.  For structural control purpose, one can embedded the control gain as well as the control algorithm in the sensing unit.

Thank You