BACKGROUNDTOYOTA GROUP IS ONE OF THE GROUPS LEADING CAR MANUFACTUR...

1 - Background

Toyota Group is one of the groups leading car manufacturer in the world. But in recent years, U.S.

Toyota in US had a recall of over 8.5 million cars and make the company $30 billion hole in the

system caused by the brake pedal and no security technique makes all the operators can not operate

the vehicle the speed they desire. This shows the weakness in the production stage manager as well as

errors in the information management system of the Toyota corporation.

Figure 1 Analysis of errors on the accelerator and brakes of the Toyota’s cars

On the other hand, the production management system of the Toyota (TPS - Toyota Production

System) is a system that Lean forward in the decades 80s, 90s. I will analyze the drawbacks of the

TPS. Moreover, I will use the theory of production management and probability statistics to make

some suggestions to overcome the disadvantages of the production management system TPS.