stair climbing robot Full Project Download Free documentation and circuit diagram

stair climbing robot circuit diagram Full Project  and documentation Download Free
stair climbing robot circuit diagram Full Project  and documentation Download Free
stair climbing robot circuit diagram Full Project  and documentation Download Free
How to make a Robot in simple and easy way for symposium as well as final year project ? 

What is Stair Robot ? What is Stairbot ?

      StairBOT is a small robot for indoor environments. On even floor it drives like many other small robots with a differential-drive. In addition it can change its length with linear guides mechanism with a spindle-drive. By this mechanism it can – together with its omniwheels (with brakes) and a support – reliably climb up and down regular sized stairs. It was one of the objectives for the design to use as few actuators and sensors as possible.

CLICK HERE TO VIEW IEEE PAPER

OBJECTIVES :

Objectives

A robot, which

 1.      -  can reach every freely accessible place in a building;

 2.      -  is not longer than 50 cm;

 3.      -  needs as few actuators and sensors as possible;

 4.      -  can be controlled by simple controll-structures.

How To make Stair Robot or stairbot ?

What are the specification needed ?

Processors       2  BrainStem GP 1.0   (acroname, USA)

                        2  Brainstem Moto 1.0 (acroname, USA)

                        1  iPAQ

 

Sensors            1  CMUcam2

                        2  GP2D12   range finders  (front)

                        2  GP2D120 range finders (rear)

                        1  SRF08

                        2  micro switches (wheel-bumper)

                        2  micro switches  (linear guide bumper)

                        2  micro switches  (limiting switches for the spindle drive)

 

Power              11 SubC NiMH 3000Ah(13.2V) motor

                         5 SubC NiMH 3000Ah(6V) servos

                         5 SubC NiMH 3000Ah(6V) controllers

                         1 iPAQ LiIon-Battery

 

Drive Type          2 wheel differential drive (2 omniwheels with brakes as castors)

                         1 linear guides with leading screw

 

Actuators           2 DC-motors 6W, 84:1 geartrain, encoder   (differential drive)

                         1 DC-motor  11W, 4.8:1 geartrain, encoder (spindle drive)

                         1 servo (omniwheel-brake)

                         1 servo (support)

                         1 servo (sensor-head up and down)

Body                  fischertechnik construction kit parts, custom made aluminium, plastic and plywood parts

 

Seize                 depending on linear guides position

                          L x W x H:

                          short:  30cm x 36cm x 60cm

                          long:   65cm x 36cm x 27cm  

Weight               about 6kg  with batteries

CIRCUIT DIAGRAM  


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LATEST JAVA IEEE PROJECTS FREE DOWNLOAD WITH DOCUMENTATION AND SOURCE CODE | + | A Unified Approach to Optimizing Performance in Networks Serving Heterogeneous Flows

A Unified Approach to Optimizing Performance in Networks Serving Heterogeneous Flows

ABSTRACT

We study the optimal control of communication networks in the presence of heterogeneous traffic requirements. Specifically, we distinguish the flows into two crucial classes: inelastic for modeling high-priority, delay-sensitive, and fixed-throughput applications; and elastic for modeling low-priority, delay-tolerant, and throughput-greedy applications. We note that the coexistence of such diverse flows creates complex interactions at multiple levels (e.g., flow and packet levels), which prevent the use of earlier design approaches that dominantly assume homogeneous traffic. In this work, we develop the mathematical framework and novel design methodologies needed to support such heterogeneous requirements and propose provably optimal network algorithms that account for the multilevel interactions between the flows. To that end, we first formulate a network optimization problem that incorporates the above throughput and service prioritization requirements of the two traffic types. We, then develop a distributed joint load-balancing and congestion control algorithm that achieves the dual goal of maximizing the aggregate utility gained by the elastic flows while satisfying the fixed throughput and prioritization requirements of the inelastic flows. Next, we extend our joint algorithm in two ways to further improve its performance: in delay through a virtual queue implementation with minimal throughput degradation and in utilization by allowing for dynamic multipath routing for elastic flows. A unique characteristic of our proposed dynamic routing solution is the novel two-stage queueing architecture it introduces to satisfy the service prioritization requirement.

Existing System: Existing System diverse flows creates complex interactions at multiple levels (e.g., flow and packet levels), which prevent the use of earlier design approaches that dominantly assume homogeneous traffic. The central design goal is very complex. Problems occur when receive all data packets from transmissions and retransmissions. Proposed System: For Serving Heterogeneous Flows, Realistic Broadcast Protocol Handler (RBPH) has been proposed here for having a Unified Approach to Optimizing Performance in Networks. Realistic Broadcast Protocol Handler (RBPH) is a reliable multicast transport protocol mainly aimed for applications that require ordered, duplicate-free, multicast data delivery from multiple sources to multiple receivers. The advantage of RBPH over traditional multicast protocols is that it guarantees that a receiver in the group either receives all data packets from transmissions and retransmissions, or is able to detect unrecoverable data packet loss. RBPH is specifically intended as a workable solution for multicast applications with basic reliability requirements. Its central design goal is simplicity of operation with due regard for scalability and network efficiency. Modules: Data Transmission (ODATA) Data Retransmission (RDATA) Source Path State (SPMs) NACK Reliability (NAK/NCFs) Transmit Window Advance Tools Used: Front End : JAVA

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latest VB.Net projects free downlaod with sourcecode and documanetation|A DISTRIBUTED DATABASE ARCHITECTURE FOR GLOBAL ROMING

A DISTRIBUTED DATABASE ARCHITECTURE FOR GLOBAL ROMING

latest VB.Net projects free downlaod with sourcecode and documanetation 

Abstract:

This mobile network will support terminal mobility, personal mobility, and service provider portability, making global roaming seamless. A location-independent Personal Telecommunication Number (PTN) scheme is conducive to implementing such a global mobile system. However, the non geographic PTNs coupled with the anticipated large number of mobile user’s in future mobile networks may introduce very large centralized databases. This necessitates research into the design and performance of high-throughput database technologies used in mobile systems to ensure that future systems will be able to carry efficiently the anticipated loads. This is scalable, robust, efficient location database architecture based on the location- independent PTNs.

The proposed multi tree database architecture consists of a number of database subsystems, each of which is a three-level tree structure and is connected to the others only through its root. By exploiting the localized nature of calling and mobility patterns, the proposed architecture effectively reduces the database loads as well as the signaling traffic incurred by the location registration and call delivery procedures. In addition, two Memory-resident database indices, memory-resident direct file and T-tree are proposed for the location databases to further improve their throughput. Analysis model and numerical results are presented to evaluate the efficiency of the proposed database architecture. Results have revealed that the proposed database architecture for location management can effectively support the anticipated high user density in the future mobile networks.

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System Requirement:

SOFTWARE REQUIREMENTS

n VS .NET 2003

n SQL SERVER 2000

n Windows XP.

HARDWARE REQUIREMENTS

n Hard disk                    :           40 GB

n RAM                          :           512mb

n Processor                    :           Pentium IV

n Monitor                       :           17” Color monitor

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