The evolution of non-upside-down motorcycles using Asimo technology! With the goal of coexisting with Van Ryder [Honda Advanced Safety Technology Disclosure 6]

Honda Security Vision Technology

Naked two rounds, even small accidents can easily cause great damage to Rider. Towards the goal of "zero deaths in Honda's two and four rounds of traffic accidents worldwide in 2050", Honda's safety technology for two rounds is also changing with each passing day. TEXT Ando true (ANDO Makoto)

It is also a necessary task to improve the safety performance of two rounds of "zero traffic accident victims".

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It is reported that among the motorcycle fatal accidents, 34% were accidents at the meeting, and 40% of the causes of death were head injuries. Based on the characteristics of such motorcycle accidents, the goal of head protection in a collision with a four-wheeled vehicle in the real world is the airbag for a two-wheeled vehicle.

In the experiment of colliding with a stopped four-wheeler at a distance of 50 km/h, the effect of reducing head obstacle by 94% was confirmed.

Spread out between the collision between the other party (the four-wheeler) and the cyclist's head, using the four-wheeler as the supporting part to support the airbag.

アシモの技術を応用した倒れないバイクが進化!ファンライドとの両立を目指す【ホンダの先進安全技術大公開・その6】

Warn and apply weaker brakes when it is too late for the rider to avoid the operation, but apply strong brakes to reduce speed without avoiding the operation. In the case of two wheels, sudden braking will lose balance, so brake according to the state of the cyclist and the car body.

A combined brake in which the front and rear brakes work simultaneously when operating the rear wheel brake. The photo is a model sold in India with a simple combination of brakes.

When the rear brake is pressed, the force is distributed to the front and rear brake through the front and rear distribution mechanism.

The cable of the front wheel brake and the cable of the combined brake are respectively connected to the front brake in different systems. Because it is mechanical, it is very simple and low cost.

The ASHIMO (biped walking robot) attitude control technology is applied to balance the motorcycle. Its goal is to be compatible with random operations without interfering with human manipulation. The previous model on display at CES 2017 can stand on its own when stopped by changing the front wheel steering and the angle of the casters.

In this model, a swinging mechanism is set on the rear wheel to control the center of gravity of the car body and move the car body on the opposite side of the direction falling down with the front wheel steering to produce a restoring force. The ratio of front wheel steering control is lower than that of the front model, and the steering wheel operation becomes quite free.

In addition, a mechanism is introduced to deduce how much the center of gravity of the Rider has moved. The correction of Rider's movement in the direction it wants to go is also carried out through control, which allows for more natural manipulation.

A car can stand on its own even without a rider.

Improving the safety performance of two-wheeled vehicles is also an important issue for Honda, which has officially started its business from motorized two-wheelers. As early as 1959, founder Songichiro Honda applied for the patent of ABS for motorcycles. In 1992, he carried the electronically controlled ABS on the large automatic two-wheel ST1100 facing Europe, and in 2006, he carried the world's first motorcycle airbag on the golden winger of large cruise ships. This time also demonstrated this kind of motorcycle safety technology. A motorcycle airbag that protects the head of a cyclist in a collision with a four-wheeler. Because the airbag works by sandwiching between the rider and the object, so far, the strong front cover has only been installed on the gold wing that can be used as a "bearing surface". The exhibition is installed on the PCX (scooter). Although it has a screen, it does not have enough airbags to support it. Imagine that the scene is a collision with the cross traffic, and the roof guide is spread out with the rider from the side door glass of the other vehicle as the "bearing surface", with the goal of reducing the head and chest damage. As an effect, the head injury value was reduced by 94% during a 50 km/h collision, but the experiment was carried out when the other vehicle stopped. If this is a state of speed, the two-wheeler should begin to rotate around the Z axis at the moment of the collision, and it should take some effort to rush into the front of the airbag. In addition, the interference with the wearable airbag of the rider should also be considered. It seems that there will be twists and turns before the expected results can be achieved in the real world. When the whole bank does not intervene and other characteristics of the two wheels cooperate with the collision damage reduction brake the second explanation is that the motorcycle uses the collision damage reduction brake. The truth is the same as the four wheels, using millimeter wave radar, cameras and other sensors to capture the obstacles ahead, and according to the collision risk, change the support mode to "alarm", "weak brake intervention" and "forced intervention". The warning begins at a time that can be avoided in the operation of the Rider and strengthens the intensity of intervention according to the presence or absence of the reaction, as in the four rounds. The difficulty of two-wheel control is to prevent the intensity of the rider from getting off the bike. Because if Rider brakes hard before taking the position of preparing to slow down, there is a risk of being thrown forward. In addition, in the case of two wheels, because the influence of tilt needs to be considered in the turn, the tilt angle and yaw rate are measured with a 6-axis sensor. While considering these factors, intervention methods that can minimize deceleration are being studied. The third kind of combined brake for motorcycle which is widely used at low cost is the combined brake and ABS for motorcycle. The former is linked with the operation of the rear wheel brake, and the front wheel brake is the same. The combination of the two "electronic control combination ABS" has been practical, selling 10 million vehicles a year. What is on display are the products actually sold in India. In order to achieve the necessary functions at low cost, it becomes a completely mechanical system. When operating the brake pedal for the rear wheel, the rocker arm used for simultaneous action is rotated, the rear wheel brake is the rod, and the front wheel brake is the structure of cable action. In addition, the front wheel brake can also operate the right-hand rod alone. At the same time, taking into account the random handling of the balance auxiliary control of the two wheels, the last is the demonstration of the riding auxiliary experimental vehicle with the function of autonomous balance. The CES 2017 is an evolutionary version of the "self-reliant Motorcycle", but its purpose is not to be self-reliant, but to assist in balancing at slightly low speeds. There are a lot of riders who feel uneasy when the weight automatic two wheels turn around at a low speed, but it is for the purpose of preventing the fall in such a scene. Different from the traditional type is the structure of balance adjustment. The previous type is to change the angle of castors to improve the stability of the low-speed area and to achieve a balanced structure through steering intervention, but it feels uncomfortable due to interference with the steering of cyclists. Therefore, the evolutionary type is provided with four connecting rods at the base of the swing arm of the rear suspension. Balance is maintained by tilting the rear wheel so that the center of the tire contact is always below the center of gravity and the steering intervention of the front wheel is minimized. This is just watching the driving demonstration, unable to experience the ride, but walking steadily at a low speed of less than 2 km/h. This technology is not so much to make it practical, but to apply the control technology and motion theory developed by the vehicle to driving support and sports performance control. It also seems to help new users if they can use a big breakout like the Golden Winger to turn around without unease, but where to get the power of control seems to be a problem. Https://youtu.be/K6S-esSBgMU

Ando Makoto (son)

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