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This book is the second volume of proceedings of the second International Conference on Electronic Commerce, Web Application and Communication (ECWAC2012), presenting the latest research on the topic by experts from around the globe.

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ECWAC2012 is an integrated conference devoted to Electronic Commerce, Web Application and Communication. In the this proceedings you can find the carefully reviewed scientific outcome of the second International Conference on Electronic Commerce, Web Application and Communication (ECWAC 2012) held at March 17-18,2012 in Wuhan, China, bringing together researchers from all around the world in the field.

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From the content: Design of the Control System for High-altitude Descent Control Device.- Graph based representations SAT solving for Non-clausal Formulas.- Quantum-behaved particle swarm optimization based on comprehensive learning.- Case representation and retrieval in the Intelligent RCM Analysis System.- A Fuzzy Logic Based Approach for Crowd Simulation.- Numerical analysis for stochastic age-dependent population equations with diffusion.- An Improved Diagonal Loading Algorithm.- Trajectory Planning for Industrial Robot Based on MATLAB.- Feedforward compensation based the study of PID controller.- The Application of Inventor software in Design of automatic transplanting robot.

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