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AUTOMATIC ELECTRO-MAGNETIC GEAR SHIFTING SYSTEM

AUTOMATIC ELECTRO-MAGNETIC GEAR SHIFTING SYSTEM

SYNOPSIS
There are disclosed an automatic gear change control apparatus for an automobile and a method of controlling such apparatus. 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 proximity sensor is used to sense the wheel speed and this signal is given to the microcontroller unit. The microcontroller is activate the relay depends upon the vehicle speed. There are two relays are used, one for gear increase and another one for gear down. 

See Also :

 1. Automatic Gear changer in Two Wheeler with pneumatic Cylinder
 2. Automatic gear changer By D.C. Electronic Gun 

INTRODUCTION

A method of controlling a gear change of 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; a load device selectively connectable to said output rotation shaft of said engine via selectively-connecting means; and means 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 said method comprising the steps of controlling said selectively-connecting means when said gear change signal-generating means generates the control signal for shifting up the gear in said automatic transmission, in such a manner that said selectively-connecting means connects said load device to said output rotation shaft of said engine. 

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. 

AUTOMATIC ELECTRO-MAGNETIC GEAR SHIFTING SYSTEM
AUTOMATIC ELECTRO-MAGNETIC GEAR SHIFTING SYSTEM

WORKING PRINCIPLE

A method of controlling a gear change of 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; a load device selectively connectable to said output rotation shaft of said engine via selectively-connecting means; and means 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 said method comprising the steps of controlling said selectively-connecting means when said gear change signal-generating means generates the control signal for shifting up the gear in said automatic transmission, in such a manner that said selectively-connecting means connects said load device to said output rotation shaft of said engine. Battery is giving the microcontroller unit. The proximity sensor is used to detect the wheel speed and this signal is given to the microcontroller unit. The 1st gear is done by manually press the button and the succeeding gears all are down automatically by the microcontroller unit.  

ADVANTAGES
  • It requires simple maintenance cares
  • The safety system for automobile.
  • Checking and cleaning are easy, because of the main parts are screwed.
  • Easy to Handle.
  • Low cost automation Project
  • Repairing is easy.
  • Replacement of parts is easy.
APPLICATIONS

  1.   It is very much useful for Car Owners & Auto-garages.  
  2.   Thus it can be useful for the two wheeler application

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