04-05-2017, 02:28 PM
A gearshift mechanism was designed and applied to make the process of change faster and less destructible to the driver. The new device must be reliable, has small dimensions, a low cost of construction and maintenance. The objective of this work is to improve the process of gear shifting using devices such as: a four-speed manual gearbox, two double-acting pneumatic cylinders, a programmable electric controller (PLC), an electric motor, Light bulbs, a table power supply. According to the suggested gearshift method, the control unit chooses an optimum gear ratio for an automobile without manually operating it (using relays). The use of this method leaves the driver with the emotion of choosing the changing moment.
At present due to the difficulties extended in manual operations, the technology has changed from manual to automatic; Some of them include ABS system, e.t.c. active steering system, in order to increase passenger safety and comfort. The biggest challenge for today's automotive industry is the increasing demands for performance, quality and cost, in an environment where movement, components and all assembly operations must be recorded and verified immediately and automatically for Get maximum efficiency. One of the automatic applications includes pneumatic gear changer. This study describes in detail in an understandable way how to convert the traditional manual gearshift mechanism using microcontroller (control unitrelays).
A method for controlling a gear change of an automobile, said automobile comprising an internal combustion engine; An automatic transmission connected to an output rotation axis of said motor for transmitting the output of rotation of said motor to the drive wheels of said motor through any selected ratio of a plurality of gear ratios; A charging device selectively connectable to said output rotation axis of said motor via selective connection means; And means for generating a gear change control signal for selecting one of said gear ratios of said automatic transmission according to one of the operating conditions of said motor and said motor, said method comprising the steps of controlling said connecting means Selective when said Generator signal generates the control signal to move the gear in said automatic transmission, in such a way that said selective connection means connects said loading device with said output rotation axis of said motor.
For some drivers, shifting can cause confusion in driving, especially in critical situations. A busy road on a hill or a sudden detour puts a lot of strain on the driver. One of the difficulties in this situation is to choose the right proportion of reduction and commit it at the right time. This design helps the driver to increase his focus on the road. It also reduces the time required to match the required reduction ratio, which increases vehicle response.
At present due to the difficulties extended in manual operations, the technology has changed from manual to automatic; Some of them include ABS system, e.t.c. active steering system, in order to increase passenger safety and comfort. The biggest challenge for today's automotive industry is the increasing demands for performance, quality and cost, in an environment where movement, components and all assembly operations must be recorded and verified immediately and automatically for Get maximum efficiency. One of the automatic applications includes pneumatic gear changer. This study describes in detail in an understandable way how to convert the traditional manual gearshift mechanism using microcontroller (control unitrelays).
A method for controlling a gear change of an automobile, said automobile comprising an internal combustion engine; An automatic transmission connected to an output rotation axis of said motor for transmitting the output of rotation of said motor to the drive wheels of said motor through any selected ratio of a plurality of gear ratios; A charging device selectively connectable to said output rotation axis of said motor via selective connection means; And means for generating a gear change control signal for selecting one of said gear ratios of said automatic transmission according to one of the operating conditions of said motor and said motor, said method comprising the steps of controlling said connecting means Selective when said Generator signal generates the control signal to move the gear in said automatic transmission, in such a way that said selective connection means connects said loading device with said output rotation axis of said motor.
For some drivers, shifting can cause confusion in driving, especially in critical situations. A busy road on a hill or a sudden detour puts a lot of strain on the driver. One of the difficulties in this situation is to choose the right proportion of reduction and commit it at the right time. This design helps the driver to increase his focus on the road. It also reduces the time required to match the required reduction ratio, which increases vehicle response.