When the mars exploration rover mer project was first proposed, the use of a rocker bogie. The rocker bogie allows the chassis of the rover to average its pitch overall wheel deflections while still maintaining load equalization on all wheels and avoiding a low oscillation frequency. Pdf design analysis of rocker bogie suspension system and. Pdf the project work rocker bogie mechanism geosurvey rover deals with the important aspect of improving the rover from its previous designs. Rocker bogie mechanism mars rover final year mini project final. This is a rocker bogie suspension much like the ones found on mars rovers that balances itself using a combination of a differential in the center and two pivoting bogies, or bars with wheels on either end. Schaus university of north carolina at charlottegeorgia institute of technology abstract as their capstone senior design experience. Inherent to the design of the rocker hinges was an issue which caused the. Rocker bogie suspension with frc components 3d cad model.
The university rover challenge was the first competition the project was the first. System modelling of rockerbogie mechanism for disaster. The idea is to replace the normal vehicle chassis with that of the rocker bogie followed by the use of spherical wheels. Mars rover how to make a stair climbing robot based on. For this years arm, we considered many design solutions to meet the requirements of competition. Optimal design of handcarrying rockerbogie mechanism for. When the mars exploration rover mer project was first proposed, the use of a rocker bogie suspension was the obvious choice due to its extensive heritage. Design and fabrication of rocker bogie mechanism ijsetr. This would cause an impulsive force to act on front wheels. Pdf dynamic rockerbogie a stability enhancement for. Pathfinder is the first over explorer in this program.
Design of rockerbogie mechanism abhisek verma, chandrajeet yadav, bandana singh, arpit gupta, jaya mishra, abhishek saxena chapter 1 introduction of project 1. At high speeds it experiences head on collision of wheels with obstacles. Design and analysis of a four wheeled planetary rover. Following several technology and research rover implementations, the system was successfully flown as part of mars pathfinders sojourner rover. Rocker bogie exploration rover automobile ieee project topics, design and analysis, thermal engineering base paper ideas, synopsis, abstract, report, figures, full pdf, fabrication, working details for automobile engineering, diploma, btech, be, mtech and msc college students. New design, mostly related to rocker bogie suspension system, has a inbuilt advantage with linear bogie motion which protects the whole system from getting rolled over.
Geared towards competitions, students are challenged by the tasks given by each competition. To guarantee that basic proportions were kept, servocitys bogie runt rover 4 was used as a model. Report on rocker bogie mechanism rover project report. The primary mechanical feature of the rocker bogie design is its drive train simplicity, which is accomplished by using.
Astro the rover california state university, fullerton. Design analysis of rocker bogie suspension system and. Rocker bogie suspension has following disadvantages. The rockerbogie suspension mechanism its currently nasas favored design for wheeled mobile robots, mainly because it has robust capabilities to deal with obstacles and because it uniformly distributes the payload over its 6 wheels at all times. The rockerbogie mechanism consists of rocker that attached to a frame and a bogie that connects to rocker link with pivot joint as shown in figure 1. Rocker bogie exploration rover automobile project topics. So this gave us the motivation for the development of this rocker bogie suspension system in a cost effective manner. Design of rocker bogie mechanism abhisek verma, chandrajeet yadav, bandana singh, arpit gupta, jaya mishra, abhishek saxena chapter 1 introduction of project 1. Here is a shot of the rc receiver and motor controller used in the project. When the mars exploration rover mer project was first proposed, the use of a rockerbogie suspension was the obvious choice due to its extensive heritage.
Among these mobile systems, its the rockerbogie suspension system that was first used for the mars rover sojourner and its currently nasas. The rockerbogie suspension system has robust capabilities to deal with uneven terrain because of its distributing of the payload over its six wheels uniformly, while there is one major shortcoming to highspeed traversal over the planar terrain. Design and implementation of a rockerbogie suspension for a mining robot wesley b. The rockerbogie mobility system was designed to be used at slow speeds. The challenges of designing the rockerbogie suspension. Sojourner rover 3 when the mars exploration rover mer project was fir posed, the use of a rockerbogie suspension was the obvious choice due to its extensive heritage challenge posed by mer was to design a lightweight rockerbogie suspension that would permit bility to stow within. Project report on rocker bogie group memberharsimran singh 0804418 anoop kumar banga. Analysis method of climbing stairs with the rockerbogie. Read optimal design of handcarrying rockerbogie mechanism for stair climbing, journal of mechanical science and technology on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. In our project, we have focused over eight wheeled rockerbogie suspension system design which has advantage of linear bogie motion in protecting the whole. Pdf the place, where the value of gravity remain lower than earths own gravitational. A project schedule was developed through analysis of the teams capabilities, and the 19week period between project inception and departure for the competition. The one based on rockerbogie mechanism and coded in graphical progr.
Instrumented rockerbogie chassis design and net traction. The rocker bogie design has no springs or stub axles for each wheel, allowing the rover to climb over obstacles, such as rocks, that is up to twice the wheels diameter in size while keeping all. This project will show you how to make a smartphonecontrolled stairclimbing robot. The rockerbogie system is the suspension arrangement developed in 1988 for use in nasas mars rover sojourner, and which has since become nasas favored design for rovers.
Highspeed traversal of rough terrain using a rockerbogie mobility system david p. Rocker bogie mechanism final year mechanical engineering. View rocker bogie suspension ppts online, safely and virusfree. Design and implementation of a rockerbogie suspension for. I devised a genius plan on how to build your own vacuum cleaner out of a plastic bottle and a few other simple parts, check it out here. New design, mostly related to rockerbogie suspension system, has a inbuilt advantage with linear bogie motion which protects the whole system from getting rolled over. The challenge posed by mer was to design a lightweight rockerbogie suspension that would permit the mobility to stow within the limited space available and deploy into a configuration. Design and fabrication of rocker bogie mechanism using. While the large number of wheels increases the stability over. Rocker bogie ppt rover space exploration spaceflight. An analysis method to make the rocker bogie mechanism can climb up a stair is achieved in this paper. The important factor in manufacturing rocker bogie mechanism is to determine the dimension of rocker bogie.
To verify whether the rocker bogie, with certain lengths of the linkages and radii of the wheels, could climb up a target stair or not, a kinematic analysis and its posture are determined. Rocker bogie mechanism final year mechanical engineering project contact. Download pdf of report on rocker bogie mechanism rover project report offline reading, offline notes, free download in app, engineering class handwritten notes, exam notes, previous year questions, pdf free download. Future scope of rocker bogie rocker bogie rocker bogie is the suspension arrangement system. This paper proposes a new dynamic rockerbogie suspension system with two modes of operation. As with any suspension system, the tilt stability is limited by the height of the center of gravity. Thus we study the design and fabrication of the rocker bogie mechanism by fabrication of this rough terrain vehicle using concepts of the bogie mechanism. A little project that i was working on a couple days ago.
The rocker bogie mechanism was designed keeping this in mind by providing maximum stability in all terrains. The rockerbogie suspension based rovers has been successfully introduced for. The projects slight aversion to an analytical approach is for two main reasons. Project report on rocker bogie mechanism rover lecture notes. The rocker bogie suspension system, which was specifically designed for space exploration vehicles have deep history embedded in its development. I would like to thank the remainder of the carleton kapvik team. Pdf the project work rocker bogie mechanism geosurvey rover deals with the important aspect of improving the rover from its previous.
The robot is based on the rockerbogie mechanism which allows it to climb over obstacles. Rocker bogie mechanism which was currently nasas approved design mars xploration project because it has studied resilient capacities to deal with obstrucles and it uniformly distribute the load over its 6 wheels all the time. How to make a stair climbing robot based on rocker bogie. Explore automobile engineering final year projects pdf, automobile projects, automobile engineering project topics 2017, top latest ieee synopsis, international journals, abstract, base papers list, fabrication analysis, thesis ideas, phd dissertation for automobile engineering students, reports in pdf, doc and ppt for final year engineering, diploma, bsc, msc, btech.
Firstly, the mathematics required to model such a multilinkage coupled. Highspeed traversal of rough terrain using a rockerbogie. Design of a rocker bogie with spherical wheel insertion. It has been used in the 2003 mars exploration rover mission robots spirit and opportunity, on the 2012 mars science laboratory msl missions rover curiosity, and is slated for use in the mars 2020 rover. California state university, fullerton mars rover project has grown into a senior design project.
To start with, a general design for the rocker bogie suspension system hereafter referred to as suspension system needed to be selected. Instrumented rockerbogie chassis design and net traction estimation submitted by timothy p. The trace of the center of mass of the rocker bogie was considered and the. The rockerbogie design has no springs and stub axles for each wheel, allowing the rover to climb over obstacles, such as rocks, that are up to twice the wheels diameter in size while keeping all six wheels on the ground. The extracurricular activity was designed to start a pathway into robotics. The term rocker describes the rocking aspect of the larger. Thank you to all of my friends who have made sure that i learn. The aim of this rocker bogie suspension system project is to develop a surveillance robot for defense which is capable of moving in all surfaces and is capable of driving in rock terrains and live video streamlining with help of a camera. The team consists of students from varying disciplines. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. What are the disadvantages of the rocker bogie suspension. Exploration rover mer project was first proposed, the use of a rockerbogie suspension was the obvious choice due to its extensive heritage. British columbia, project number 1076 january 18, 2011.