Wei Zhu

Beijing Institute Of Technology, Peping, Beijing, China

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Publications (9)0 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: Coal mine detect robot is a kind of mobile robot. It goes into explosion environment and detects gas content, temperature, etc. Environment dates are send to control people in safe field. Coal mine is a dangerous field, varies fatal factors menace people. Especially when coal mine disaster is occur. Rescuer doesn't know mine tunnel actual situation. It is very dangerous to go into mine tunnel without environment detect because second explosion may occur at any time. This paper introduces a coal mine robot electric and control system. It has many characters suitable to mine tunnel. It is compose of electric, computer, control, communicate, sensor, etc. The main problem of it is weight than ordinary robot, communicate in turn tunnel. It can run in explosion environment, climb ruins, check gas, and carry some food and medicine to people pin down in disaster. This robot can rescue people in coal mine disaster.
    Electronic Measurement & Instruments, 2009. ICEMI '09. 9th International Conference on; 09/2009
  • [Show abstract] [Hide abstract]
    ABSTRACT: After earthquake, many people are buried under ruins. Rescue is very important in the first 48 hours. Snake robot is a very useful tool in climbing into ruins to detect people. This paper designs a new snake robot with all body drive system based on rope system. All snake robot body has drive ropes to drive it move. It is simple in drive system and control system. Any point touched ground, wall or roof can have drive force. A force feed back system is in snake robot body. Snake robot knows all force it touching and know environment. Force feedback control is used to cross obstacle. Snake body can auto controlled to make a detour to avoid obstacle. This snake can climb into ruins to detect people and control is simple than other snake robots. It is a practical scheme in disaster rescue robot in earthquake ruins.
    Mechatronics and Automation, 2008. ICMA 2008. IEEE International Conference on; 09/2008
  • [Show abstract] [Hide abstract]
    ABSTRACT: The purpose for this research is to develop a realtime video stabilization algorithm for mine tunnel inspectional robot. The inspectional robot moves violently and randomly depending on the tunnel terrain, the video flow captured from the camera bounded on the robot is affected by jitters. These jitters mean there are errors between the captured video flow and the desired video flow. These errors affect the robot operator's visual experience. In this paper, a real-time scheme of video stabilization is proposed to overcome the rotational and translational movement of video flow. In proposed scheme, the LSE analytical solution is adopted to estimate the global motion parameters through local motion vectors, and for the purpose of getting smooth video flow, the weighting least error fitting algorithm is used to smooth the video frames. Finally, the experimental results show the effectiveness of this scheme.
    Robotics and Biomimetics, 2007. ROBIO 2007. IEEE International Conference on; 01/2008
  • [Show abstract] [Hide abstract]
    ABSTRACT: Coal mine is a dangerous field, varies fatal factors menace people. Especially after coal mine disaster, rescuer doesn't know mine tunnel situation. It is very dangerous to go into mine tunnel without environment detect because second explosion may occur. Coal mine detect and rescue robot is a kind of mobile robot. It can go into explosion environment and detect gas content, temperature, etc. The date can send to control man in safe field. This paper designs a coal mine detect and rescue robot. It has many characters suitable to mine tunnel. It is compose of mechanic, electric, computer, control, communicate, sensor, etc. It can run in explosion environment, climb ruins, check gas, and carry some food and medicine to people pin down in a disaster. This robot can rescue many people in coal mine disaster.
    Proceedings of the IEEE International Conference on Networking, Sensing and Control, ICNSC 2008, Hainan, China, 6-8 April 2008; 01/2008
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    ABSTRACT: Space robot reliability is a fatal important problem. Any fault and error may damage spacecraft. This paper suggests a space robot system with two alternate drive system, two alternate control system, redundant freedom, two alternate communicate system. The space robot is a fault-tolerant system. Fault tree is used to analysis space robot. Any one element on the space robot fault doesnpsilat influence robot work. Space robot reliability is raised to a high level through this design. This design scheme is a practice scheme for space robot.
    Proceedings of the International Joint Conference on Neural Networks, IJCNN 2008, part of the IEEE World Congress on Computational Intelligence, WCCI 2008, Hong Kong, China, June 1-6, 2008; 01/2008
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    ABSTRACT: A new wall climbing robot suction method called ldquoNPT methodrdquo has been primarily proposed by our lab, it is based on compositive effect of negative pressure force and thrust. This paper presents the suction principle in detail, then the key parameters are given and a model of the robot is designed. Using computational fluid dynamics simulation, key parameters are analyzed. Finally the attraction-gap-motor speed curve is drawn through experimental tests. It is proved that this method is suitable for improving the robot's adhering ability and obstacle crossing ability.
    01/2008;
  • Information Computing and Automation - The International Conference; 01/2008
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    ABSTRACT: Light mobile robotpsilas weight design is a important problem which decides function and ability of mobile robot. In this paper, a total design method is advanced. There are many factors to consider, include mechanical part, electrical part, and task part. Each parts of robot must be carefully calculated and designed. There are many experiences in it. A light mobile robot is carefully analyzed as an example. The method can help mobile robot designers on how to design a robotpsilas weight quickly and not waste time and money.
    Proceedings of the International Joint Conference on Neural Networks, IJCNN 2008, part of the IEEE World Congress on Computational Intelligence, WCCI 2008, Hong Kong, China, June 1-6, 2008; 01/2008
  • Jize Li, Kejie Li, Wei Zhu
    [Show abstract] [Hide abstract]
    ABSTRACT: To provide proper coverage of their random deployment regions, wireless sensor networks (WSN) should employ abundant nodes. In this paper we correct such situations by employing some mobile robots as mobile nodes in WSN which can actively move to desired locations for repairing the broken networks. According to the pre-research work we know that the number of nodes employed by WSN is closely relevant to quality of service (QoS) in sensing coverage when the nodes are randomly deployed in the target region. A modified particle swarm optimization (PSO) named particle swarm genetic optimization (PSGO), which imports selection and mutation operators in PSO to overcome the premature fault of classical PSO, is proposed to redeploy the mobile robots according to the node density for repairing the sensing coverage hole after their initial random deployment. It is suggested by the simulated experiment results that the WSN employing the mobile robots can improve the QoS in sensing coverage than the stationary WSN by redeploying mobile robots according to the node density.
    01/2007;