Internet Enabled system control and monitoring (IESCM) Dr. L. Umanand T.V.Prabhakar NVC Rao
Concept Internet – giant source of information Basic idea – go one step further and control and monitor complex systems via internet Resource center Resource + Control + Monitor center Controlled system Present System Proposed System
Motivation Bangalore – 30 to 50 engineering colleges A particular lab setup requires Lakhs of rupees (EMC LAB) Virtual Lab : Time slots allotted to college students to conduct Experiments
System Schematic Controlled system
System Schematic Controlled system Client PC
System Schematic Controlled system Client PC Internet Video Audio Control, display data Web Server (Matlab Webserver + HTTPD)
System Schematic Controlled system Client PC Internet Web Server (Matlab Webserver + HTTPD) IESCM Video Audio Control, display data
System Schematic Internet Client PC IESCM Controlled system Video Audio Control, display data Web Server (Matlab Webserver + HTTPD)
IESCM DriverControl Interface Controlled system Audio Video Audio From Webserver http over ethernet Usb /ilink Audio port DSP
Scope of work Serial or Parallel Client GUI ON, OFF, Speed, Direction T speed Matlab Web Server DSP RS-232 Interface Motherboard Ethernet HTTP Protocols ASCII
Scope of Work Virtual experiment – Speed Control of Motors HTML client end GUI – turn On,Off, speed, direction, plot characteristics Interfacing with Matlab webserver Webserver to interface board interaction (Ethernet) DSP board development Interface Board – DSP Board Interface (Serial or Parallel or both) Video and Audio stream (support from Project Associate)
PC - DSP Board Interface USB- JTAG interface, but idea dropped due to non availability of information Serial Interface or Parallel Interface or combination of both
Wish Specifications Client PC ParametersSpecifications Web BrowserInternet Explorer 6 (or above) Netscape Navigator 6 (or above) Web Server SoftwareMatlab Web Server HTTPD Matlab 5.3 (or above) OSWindows NT
Wish Specifications… Interface Unit – Motherboard PCPentium III (or above) InterfacesEthernet, USB, Serial Port, Parallel port, Audio port, IEEE1394 Port, Wi-Fi interface DSP Control Board DSP ProcessorTI TMS320LF2407 Frequency40 MIPS
Wish Specifications… Flash ROM32K on chip SRAM128K words on board Power SupplyAnalog Part - ± 15V Flash memory programming 0-5V Digital Part – 3.3V (onboard 3.3 volt regulator) Connectors Power supply5 – pin (DVDD, DVSS, VCCA, AGND, VSSA)
Wish Specifications… JTAG Port14 – Pin Header (Standard Interface) I/O Connector32 – pin Berg Stick Output PWM32 – pin Berg Stick Serial I/O portDB-9 Connector ADCIN 116 – pin Berg Stick ADCIN 216 – pin Berg Stick
Wish Specifications… Interrupt16 – pin Berg Stick ResetPush Button Output 3 isolated PWM outputs for 3 bridge