BUTTON OPERATED ELECTROMAGNETIC GEAR SHIFTING SYSTEM FOR TWO WHEELER PDF

A rotational output of an internal combustion engine is connected to drive wheels of the automobile and a load device. When a gear shifting-up of an automatic transmission is to be effected, the load applied by the load device is increased, or the load is connected to an output rotation shaft of the engine via a selectively-connecting device, thereby reducing the rotational speed of the output rotation shaft of the engine to a required level. In our project, two electro magnetic coils are coupled to the gear rod of the two ends. The two buttons are used to activate the electro-magnetic coil so that the gear will be shifted. An automatic gear change control apparatus for an automobile, said automobile comprising an internal combustion engine; an automatic transmission connected to an output rotation shaft of said engine so as to transmit the rotational output of said engine to drive wheels of said automobile through any selected one of a plurality of gear ratios; said apparatus comprising a load device for applying a load; means for connecting said load device to said output rotation shaft of said engine and for generating a gear change control signal for selecting one of said gear ratios of said automatic transmission in accordance with one of operational conditions of said automobile and said engine; and load control means for increasing the load of said load device when said gear change signal-generating means generates the control signal for shifting up the gear in said automatic transmission.

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Dist , Hyderabad,India. Dist , Hyderabad, India. Amani4 M. Dmlal9 gmail. A rotational output of an internal combustion engine is connected to drive wheels of the automobile and a load device. When a gear shifting-up of an automatic transmission is to be effected, the load applied by the load device is increased, or the load is connected to an output rotation shaft of the engine via a selectively-connecting device, thereby reducing the rotational speed of the output rotation shaft of the engine to a required level.

In this work, two electromagnetic coils are coupled to the gear rod of the two ends. The two buttons are used to activate the electro-magnetic coil so that the gear will be shifted. INTRODUCTION An automatic gear change control apparatus for an automobile, comprising an internal combustion engine; an automatic transmission connected to an output rotation shaft of engine so as to transmit the rotational output of drive wheels through any selected one of gear ratios; apparatus comprising a load device for applying a load; means for connecting load device to output rotation shaft of engine and for generating a gear change control signal for selecting one of gear ratios of automatic transmission in accordance with one of operational conditions of automobile and said engine; and load control means for increasing the load of said load device when said gear change IJCSIET-ISSUE4-VOLUME2-SERIES2 Page 1 Mangeelal-International Journal of Computer Science information and Engg.

Automotive technology has been developed in many areas, like ABS system, active steering system and other safety systems, which are implemented to increase the passenger safety and comfort.

The development has concluded also the gearbox, which became much smoother and produces less noise. Gear shifting mechanism must be easy to use and workable, these demands are very important especially for small cars used by special needs people. For some drivers, the gear shifting can cause some confusing at driving specially at critical situations. A crowded road on a hill or a sudden detour makes a lot of tension on the driver.

One of the difficulties in this situation is to choose the right reduction ratio and engaging it at the right time. The only exceptions are isolated sunshine load such as irrigation pumps or drinking water supplies for storage. In fact for small units with output less than one kilowatt. Batteries seem to be the only technically and economically available storage means. Since both the photo-voltaic system and batteries are high in capital costs.

It is necessary that the overall system be optimized with respect to available energy and local demand pattern. To be economically attractive the storage of solar electricity requires a battery with a particular combination of properties: like low cost, long life, high reliability, high overall efficiency and low discharge. Here it is used lead acid battery for storing the electrical energy from the solar panel for lighting the street and so about the lead acid cells are explained below Where high values of load current are necessary, the lead-acid cell is the type most commonly used.

One cell has a nominal output of 2. The lead acid cell type is a secondary cell or storage cell, which can be recharged. The charge and discharge cycle can be repeated many times to restore the output voltage, as long as the cell is in good physical condition. However, heat with excessive charge and discharge currents shortens the useful life to about 3 to 5 years for an automobile battery. Of the different types of secondary cells, the lead-acid type has the highest output voltage, which allows fewer cells for a specified battery voltage.

The plates are immersed in the electrolyte, consisting of 8 parts of water to 3 parts of concentrated sulfuric acid. Each plate is a grid or framework, made of a lead- antimony alloy. This construction enables the active material, which is lead oxide, to be pasted into the grid. In manufacture of the cell, a forming charge produces the positive and negative electrodes. In the forming process, the active material in the positive plate is changed to lead peroxide Pbo.

The negative electrode is spongy lead Pb. Automobile batteries are usually shipped dry from the manufacturer. The electrolyte is put in at the time of installation, and then the battery is charged to from the plates.

With maintenance- free batteries, little or no water need be added in normal service. Some types are sealed, except for a pressure vent, without provision for adding water. By omitting the finite permeability of the iron, the current in the coil controls the flux density. The force, which was generated by shifting the gear, is related to the square of the magnetic flux density in the gaps between the pole faces and the shaft. Consequently, it is only possible to pull the shaft toward the magnet; it is not possible to push the shaft.

In some applications where there is a very large static force whose orientation is consistent and the dynamic loads are always less than the static level, it is sufficient to have a breaking which can only pull.

However most applications require that the shifting the gear is able to exert a force in either direction. To accomplish this bi-directional capacity, another electromagnet is added to the bearing on the opposite side of the shaft having same pole face area and same number of coil turns.

The two electro-magnetic coils are fixed to the gear shaft of the two ends. One is used to shift the gear in upward direction. Another one is used to shift the gear in downward direction. These two coil is operated depends upon the activation of the push button. Design Calculations 4. S 5 Engine 1 S 9 Wheel Arrangement 1 - Total Cost 20, The application of electro-magnetic coil produces smooth operation.

By using more techniques, this design can be modified and developed according to the applications. Alexander M. Sudha M. Omamageswari M. Pettersson, M. Gear shifting by engine control. IEEE Trans. Control Syst. Kahraman, Glielmo, L. Lannelli and V. Vacca,

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