Who invented toyota hybrid car

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Analytics analytics. Analytical cookies are used to understand how visitors interact with the website. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. At the time, there were no accepted theories for proven hybrid systems, so the team's only option was to consider a range of hybrid systems and choose the best from among them.

Ogiso recalls the technical challenge. We assumed that power electronics semiconductors and electronic circuits used to efficiently control power would make leaps in the near future. There was a lot of promise here. The conventional transmission could be completely eliminated. And yet, the technological hurdles remained high. The system adopted by the team would later come to be known as the Toyota Hybrid System THS , featuring two motors in addition to the engine. The drive motor would boost engine output while acting as a generator during deceleration to charge the batteries.

The second motor would use the drive power of the engine to generate electricity as well as control the transmission. It would also be used as a starter motor. A power split device with planetary gears would connect the two motors with the engine. The input shaft and output shaft would be on the same plane to make the car more compact.

The engine output would be divided between driving the vehicle and power generation, and the continuously variable transmission CVT would control engine speed. An inverter would also be placed between the battery and motor.

This would convert the current between the direct current batteries and the alternating current synchronous motors.

The G21 team worked on the development of a concept car for the Tokyo Motor Show alongside their development of the production car. We had already decided to use two motors for the new hybrid system, so we wanted to clearly differentiate the two cars.

We did, however, start using the model name Prius from this stage. The G21 team got the official go-ahead for the production car at a meeting in June Their first task was to create a prototype, and the initial steps would be to select the right engine and develop the motors and batteries. Traditionally, in-house creation has been the guiding force in Toyota's acquisition and nurturing of its core technologies. The team didn't want to relegate itself to a mere vehicle assembler by outsourcing development of a key hybrid component like the motor.

They also decided to develop the inverter internally. This also couldn't be an outsourced "black box" technology because it would control the hybrid system.

In , to accelerate hybrid system development, the departments responsible for the development of control systems, and electric-drive and other components were integrated, and a cross-functional in-house structure was set up under TMC's so-called "business reform BR structure". In March , TMC completed and announced the Toyota Hybrid System THS , which featured an integrated electric motor and generator linked to a power split device, resulting in a combination series-and-parallel hybrid system.

A production system was then put in place at the Takaoka Plant and the vehicle was ready for sales launch at the end of the year. The main components of THS, the electric motor and inverter, were manufactured in-house, while production of the nickel-metal hydride battery pack that served as the secondary battery was commissioned to Panasonic EV Energy Co. The project to create the first-generation Prius was unprecedented in that it took a basically unknown and unproven technology all the way to completion and mass production in only approximately two years from the official start of development.

The demanding schedule was managed thanks to a system for promoting progress that united the whole company, allowing, for example, the vehicle assembly process to be planned using 3D virtual assembly technology that had been under development in the Production Engineering Group, and to make use of a body welding line for small-volume production. As this was the first-ever mass-produced hybrid passenger vehicle, a special joint team was formed to deal with technology, service, and quality assurance so that response to initial market issues after the sales launch could be handled promptly.

On the publicity front, the Prius was featured in the Toyota Eco Project corporate advertising series that ran throughout Using the catchphrase "Just in time for the 21st century", strong emphasis was given to the advanced nature of Toyota's environmental technologies.

Development of Prius and Hybrid Strategy. Section 8. Prius development completed in approximately two years Gas turbine hybrid car. Prius concept car Prius line-off ceremony Hybrid vehicles as the basis of environmental action Prius development completed in approximately two years The rolling out of hybrid vehicle series. Part 1. Taking on the Automotive Business Chapter 1.

From Textiles to Automobiles Section 1. Sakichi Toyoda Item 2. Overview of Sakichi Toyoda's Inventions Item 3. Expansion into Nagoya Item 4.

The Birth of Jidoka Item 5. The Businesses of Sakichi Toyoda Item 1. Setbacks at Toyoda Loom Company Item 2. Establishment of Toyoda Boshoku Corporation Item 3. Creating the first automatic loom prototype Item 3. Item 1. Patent Transfer Agreement with Platt Item 3. Establishment of the Automotive Business Section 1. The Japanese Automotive Market Item 1. Vehicle Imports Item 2. Automobile Prototypes Item 1. Establishment of an Automotive Production Division Item 2.

Construction of Prototype Plant and Steelworks Item 3. Model G1 Truck Item 5. Sales Systems Established Item 6. Research and Development of Basic Technology Item 1. Establishment of a Research Laboratory Item 2. Researching Casting Technology Item 3. Electrical Components Research and Development Item 6. Rubber Product Research and Development Section 4.

Establishment of Toyota Motor Co. Description of the Koromo Plant Item 5. The Origins of Just-in-Time Item 6. Reforming and Improving Vehicle Quality Item 8. Introduction of the Metric System Section 5. Wartime Research and Production Item 1. Diesel Engine Research Item 3. Research on Alternative Fuels Item 4. Research on Forge Processing Technology Item 5. Research on Alternative Steel Item 6. Truck Production and the Steel Shortage Item 7.

Production outside Japan Item 8. Prototype Production of a Range of Vehicles Item 9. Aircraft Development and Production Item Breakup and Consolidation of Companies Section 6. Postwar Arrangements and Labor Disputes Item 1. Searching for New Business Item 2.

Company Reconstruction Item 3. Modernization of Facilities Item 1. Supermarket Method Item 5. Introduction of Transfer Machines Item 6. Efforts for Quality Control Item 7. Introduction of computers Section 8. Changes in the Automotive Market Section 9. Expanding Sales Structures Item 2. Expansion into Latin America Item 4. Toyota Expands into Asian Countries Item 5.