Advanced Mechanical Design And Optimisation Of Sewage Inspection Robot : Structural And Mechanism Approach

Tan, Chee Fai and Radzai, Said and Shamsul Anuar, Shamsuddin (2005) Advanced Mechanical Design And Optimisation Of Sewage Inspection Robot : Structural And Mechanism Approach. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The Malaysia public sewerage system is about 50,000 km long. The sewage system is normally the largest infrastructure investment of cities and towns overall. The overall system is not in good condition. In consequence, much effort must be taken to inspect, maintain, and repair the sewage pipes. A large part of the public sewerage system consists of circular pipes of 200-9000 mm inner diameter, type of pipes to which we restrict our attention here too. Obviously, most of the systems are not accessible for humans. The current state of the art to maintain such sewerage system is to use tele-operated camera platforms. These platforms are connected to the outer world by a cable serving for energy supply, for transmission of commands from the human operator to the device, for data transmission back to the operator, for measuring the distance travelled, and as a lifeline. However, a tethered platform is severely restricted in its mobility and radius of action. This implies high inspection cost because the device must frequently be hauled in and moved to its next entry point. Moreover, to-be-inspected areas of the system must be prepared by being cleaned and sometimes bypassed and shut off, which implies that many problems cannot be detected that have to do with the system during operation. Human were used to check the sewerage systems but only limited to the man-sized passable sewerage pipe. The usage of human inspection is dangerous, time consuming and expensive. The design of the first Malaysian made inspection crawler are used to gather additional information about what is taking place between sewerage system access points. The inspection crawler is low cost to manufacture, easy to maintain, customisable, operate continuously, record the condition of inspection area and waterproof. The multi-function inspection crawler is beneficial to Malaysia building services, sanitary and HV AC industry. The commercialisation potential of the inspection crawler are sales of design and consultation and sales of inspection crawler and control unit.

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