4 research outputs found
Development of miniature compressed air storage system using solenoid valves for dynamic pneumatic actuator
No full textCurrently, there are many research that involved pneumatic device on vehicles. There are some applications using compressed air storage system to produce vehicle power. However, there are several constraints in producing compressed air for outdoor purpose, since most of the compressors are in large size which will cause limited working space. Also, most of the compressors are not portable and hand-carrying size. This paper objective is to investigate the parameters of a miniature air compressor during the reciprocation process and to analyze the compressed air pressure of piston type double-acting cylinder for the miniature air compressor. The piston rod is connected to connecting rod for mechanical movement, which the movement of the rod will convert kinetic energy to the piston and generate compressed air inside the storage tank. The system design allows the air into the tank to increase via reciprocating cylinder. Number of strokes produced is investigated. Subsequently, pressurized air inside the tank can be used to generate kinetic power to the pneumatic actuator. The force generated from the mechanism is then measured. Synchronization of 5/3 Ways Directional Control Valves (DCV) is the key of the system to ensure the flow of compressed air wellkept in the storage tank. The pressurized air inside the tank transfers the power into kinetic movement via reciprocating piston and able to generate 200kPa of compressed air
Design kit of variant parts via kitting system for mass customization in automotive industry
Get PDFLink to publisher’s homepage at http://www.arpnjournals.com/This present paper addresses on designing the kit parts for variant engine model in new kitting area of subassembly line, one of the main processes in final assembly line. To date, a variant model of vehicles leading to parts variety that can deliver inefficiency of production in terms of cost and time. One of the major processes in vehicle assembly that is sub-assembly line aims at producing a large number of finish line products encompasses variety of components that supports other main assembly process such as final assembly. The availability of parts needed at each workstation in the assembly line is critical for the production efficiency. Due to this fact, this paper aim to design a kit for two variants engine models in a reliable feeding system. This situation ensure the required parts available at line with high diversity of components and different physical features (i.e. weight, volume) to name a few in single complete different model. As such, the total operating cost and time consume in assembly production is rely on how efficient the system can response to a prompt target plan without neglecting the quality of the product. A design of kit for parts placing enables reliability of variant parts model in single line that will corresponds to mass customization of the production line. Overall, this paper offers a solution in terms of the availability of parts needed in rapid mass customization production of assembly line at one of the key player manufacturer plant in automotive industry. It is expected that the findings of this on-going study will provide production team with kits design to choose from in evaluating the assembly system performance which would lead to the production efficiency as well as minimize the associated costs
Comparative Study of a Drag Force for Flat Plate Frame and a Combined Straight Bladed Darrieus- Flat Plate Frame
Get PDFIn this paper, experimental investigations were carried out to evaluate the drag forces of a flat plate frame with movable vanes and a combined Straight-Bladed Darrieus - flat plate frame by. For this purpose, two models were developed, one flat plate frame with movable vanes and another one straight-bladed combined with a Darrieus-flat plate frame. For the combined Straight-Bladed Darrieus - flat plate frame, having one flat plate constructed by three movable vanes. A straight-bladed Darrieus NACA0012 airfoil is attached at the tip of the model structure. The design increases the torque of the model on the side which rotates to wind direction hence increasing the drag coefficient Cd and reduces the negative torque on another side of the frame that rotates opposite to the wind. The results indicated that the maximum drag force for flat plate frame is 1.64 N under wind speed V=28 m/s and at azimuth angle θ = 90°, and the maximum drag force for the combined model is 6 N under the same condition
Development of Miniature Compressed Air Storage System Using Solenoid Valves for Dynamic Pneumatic Actuator
Get PDFCurrently, there are many research that involved pneumatic device on vehicles. There are some applications using compressed air storage system to produce vehicle power. However, there are several constraints in producing compressed air for outdoor purpose, since most of the compressors are in large size which will cause limited working space. Also, most of the compressors are not portable and hand-carrying size. This paper objective is to investigate the parameters of a miniature air compressor during the reciprocation process and to analyze the compressed air pressure of piston type double-acting cylinder for the miniature air compressor. The piston rod is connected to connecting rod for mechanical movement, which the movement of the rod will convert kinetic energy to the piston and generate compressed air inside the storage tank. The system design allows the air into the tank to increase via reciprocating cylinder. Number of strokes produced is investigated. Subsequently, pressurized air inside the tank can be used to generate kinetic power to the pneumatic actuator. The force generated from the mechanism is then measured. Synchronization of 5/3 Ways Directional Control Valves (DCV) is the key of the system to ensure the flow of compressed air wellkept in the storage tank. The pressurized air inside the tank transfers the power into kinetic movement via reciprocating piston and able to generate 200kPa of compressed air
