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Automation Engineering, National Formosa University. A Mobile Robot Vision-Feedback System. Kuang-Chyi Lee Po-Ting Tsai July 25-29, 2005, Gliwice, Poland. Automation Engineering, National Formosa University. Outline. Introduction SOC System Structure Communication Circuit
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Automation Engineering, National Formosa University A Mobile Robot Vision-Feedback System Kuang-Chyi Lee Po-Ting Tsai July 25-29, 2005, Gliwice, Poland
Automation Engineering, National Formosa University Outline • Introduction • SOC System Structure • Communication Circuit • Encryption/Decryption Circuit • Motor Control Circuit • Experiments • Conclusions
Automation Engineering, National Formosa University Introduction • SOC System Structure • RF Communication • Encryption/Decryption • Position Decoder • Software Differential • Motor Control
Automation Engineering, National Formosa University SOC System Structure
Automation Engineering, National Formosa University FPGA Communication • SAE J1850 Communication Standard • Traditional RS232 and J1850 • Knapsack Encryption • Knapsack Decryption
Automation Engineering, National Formosa University J1850 Communication Standard • VPM (Variable Pulse WidthModulation)
Automation Engineering, National Formosa University Traditional RS232 and J1850 Traditional RS232 J1850
Automation Engineering, National Formosa University Knapsack Encryption Process: 1.100111(39) 2.Knapsack Code M=[2,3,6,12,24,48] 3.[1 0 0 1 1 1]‧[2 3 6 12 24 48]=86 4.Result(86)
Automation Engineering, National Formosa University Knapsack Decryption Process: 1.Binary(1010110) S=86 2.Knapsack Decryption M=[2,3,6,12,24,48] 3. For(i=0;i<6;i++){ If (S>=(Mi)){ Ri=1; S=S-Mi;} else Ri=0;} 4.Result(100111)39
Automation Engineering, National Formosa University Flow Chart of Communication System
Automation Engineering, National Formosa University Motor Control System
Automation Engineering, National Formosa University Velocity and Angular Speed
Automation Engineering, National Formosa University SoftwareDifferential
Automation Engineering, National Formosa University Experiments
Automation Engineering, National Formosa University Tests of RF Module
Automation Engineering, National Formosa University Response of Motor
Automation Engineering, National Formosa University Obstacle Avoidance (Video)
Automation Engineering, National Formosa University Speed Control (Video)
Automation Engineering, National Formosa University Conclusions • Integrated all functions on a single FPGA chip. • RF Communication • Encryption/Decryption • Position Decoder • Software Differential • Motor Control • The maximal speed is more than 10km/hr. • The maximal communication rate is more than 6 kbps.
Automation Engineering, National Formosa University Thanks for Your Attention