Parking Systems

Industry's first successful parking demonstration experiment for self-driving cars using mechanical car parking systems

July 1, 2019

ShinMaywa Industries, Ltd. (Head Office: Takarazuka City, Hyogo Prefecture, President and CEO: Isogawa Tatsuyuki, hereinafter referred to as ShinMaywa Industries) and Gunma University (President: Hiroshi Hiratsuka, hereinafter referred to as Gunma University) have announced that Gunma University The industry's first parking demonstration of self-driving cars *1 (hereinafter referred to as self-driving cars) was carried out using mechanical car parking systems for verification installed at the Next Generation Mobility Social Implementation Research Center (Director: Naoya Ota, hereinafter referred to as CRANTS). The experiment was successful.

  1. *1Experimental vehicle owned by Gunma University

Parking demonstration experiment for self-driving cars in mechanical car parking systems [Playback time: 2 minutes 15 seconds]

1. Results of this research

■Achieving safe and highly accurate automatic parking through cooperation between self-driving cars and mechanical car parking systems

In this demonstration experiment, we will introduce the jointly developed "APPS (Advanced Pilot Parking System)" and will be the first in the industry to connect "V2P", that is, a self-driving vehicle (V) and mechanical car parking systems (P), through communication. , the self-driving car and the infrastructure parking equipment work together to successfully guide the self-driving car to the parking space safely and with high precision, making it mechanical car parking systems that requires more advanced driving skills than surface parking. Automatic stocking is now possible.

(1) Parking flow

Self-driving cars and mechanical car parking systems work together to realize safe and highly accurate automatic parking.

① Send the data necessary for accommodation from the self-driving car to mechanical car parking systems
② Send parking permission signal from mechanical car parking systems to self-driving car
③ Sensors installed in mechanical car parking systems detect the “tires” and “body” of the self-driving car and transmit location information.
④ The self-driving car determines the route based on the location information in “③”

⑤ Parking is completed by feedback control that repeats “③” and “④”
The gap between the actual parking position and the position information is within ±10mm of the target value!

(2) Features of “APPS (Advanced Pilot Parking System)”

Achieving safe and highly accurate automatic parking by establishing "V2P"

① Developed the industry's first communication protocol between cars and mechanical car parking systems

  • The newly developed communication protocol enables two-way communication between the car and mechanical car parking systems, allowing mechanical car parking systems to accurately guide the self-driving car to the parking position.

② Developed vehicle positioning algorithm using laser scanner (LiDAR)

  • Recognizes the vehicle position in 10mm increments from point cloud data obtained from a laser scanner and guides self-driving cars safely and accurately to the parking position.

③ Adaptable to mixed driving environmental of manually driven cars and self-driving cars

  • Compatible with both manual and autonomous driving during the transition period until fully autonomous vehicles become widespread.

■Prevention of accidents in parking lots

Although safety measures (sensor installation, etc.) are implemented by each manufacturer for mechanical car parking systems, it is difficult to eradicate accidents caused by operational errors made by "humans" when entering and exiting parking facilities. Research has also shown that approximately 27% of car accidents occur in parking lots, including flat and self-propelled multi-level parking lots. *2
Recently, we have established a technology that safely and precisely guides self-driving cars to mechanical car parking systems and parks them, making it possible to park them unattended and operations that rely on humans, including the driver. Since there is no need for this, the risk of personal injury accidents in parking lots can be brought as close to zero as possible.

  1. *2 Source: Tohoku Branch of The General Insurance Association of Japan, “Monitoring Survey on Vehicle Accident Situation in Six Prefectures of Tohoku” (January to December 2017)

2. Overview of joint research

Gunma University is actively engaged in research aimed at social implementation of next-generation mobility systems, such as conducting public road demonstration tests of self-driving cars, and the evolution of mechanical car parking systems in the future society, with the aim of realizing a fully self-driving society. In December 2017, ShinMaywa Industries, which aims to achieve this goal, began joint research into parking facilities for the acceptance of self-driving cars.

The success of this demonstration experiment signifies the success of the development of a communication system between self-driving cars that drive on the roads within the CRANTS premises and elevator type car parking system that was set up for verification, which was the goal of the first phase of development. , the industry's first automatic inventory system.

Although automakers around the world are working on autonomous driving technology, collaboration with the infrastructure side has not progressed, and the accuracy of the current automatic parking function makes it difficult to park in mechanical car parking systems. . On the other hand, a total of approximately 570,000 mechanical car parking systems (for 3.1 million vehicles) have been installed in Japan, mainly in urban areas, and even in a world where self-driving cars are on the rise, mechanical car parking systems remain effective. Since utilization is an essential issue, the success of this experiment means an increase in the value of mechanical car parking systems (Figure 1).

In the future, ShinMaywa Industries and Gunma University will conduct parking demonstration experiments using other types of mechanical car parking systems, and then move the location to ShinMaywa Industries' research base (Takarazuka City, Hyogo Prefecture) to develop APPS and vehicle parking systems. We are planning to move on to a demonstration experiment that combines a control system. Based on these verification data, we will work on concrete social implementation.

In addition, we will reach out to various industries and local governments related to "people and social environmental," "cars," and "parking," including automobile-related companies and real estate developers, to improve the surrounding envrionmental in parallel with the spread of self-driving cars. We will contribute to the realization of a fully autonomous driving society ahead of the world, with the aim of "urban development" that improves the environment.

[Joint research details (outline)]

Research on realization for use of parking systems for AVs

  1. 1 Experiments to confirm parking in mechanical car parking systems using commercially available automatic parking functions, as well as research and technology development for automatic parking in various mechanical car parking systems
  2. 2Driving guidance for self-driving cars in the parking lot, demonstration experiment of guidance, and construction of road control system
  3. 3Construction of communication technology for automobiles, roadway control systems, and mechanical car parking systems
  4. 4Construction of a high-precision human detection system for lanes and parking facilities
  5. 5 Demonstration experiment using the above self-driving cars and mechanical car parking systems compatible with self-driving cars
  6. 6 Conceptual proposal for parking facilities exclusively for fully self-driving cars and parking facilities that accommodate both manual and self-driving cars.

3. Future schedule (as of July 1, 2019)

Joint research period
  • Demonstration experiment period at CRANTS: December 2017 to March 2020
  • Demonstration experiment period at ShinMaywa Industries, Ltd. Takarazuka Factory: April 2020 to September 2020

Reference: Benefits of mechanical car parking systems compatible with self-driving cars

~ More “convenient,” “comfortable,” and “safe” ~

Figure 1. Image of self-driving society

[Even with mechanical car parking systems in condominiums, hotel-like valet service is now available]

(1) Toward an era where “cars” come to pick up “people” when they want to go out.

  1. 1 Before going out, reserve your car's departure from your smartphone, etc.
  2. Automatically exits from mechanical car parking systems after 2 hours
  3. 3The cars communicate with mechanical car parking systems, and the car that leaves the parking lot automatically arrives at the entrance at the reserved time.

(2) After returning home, the car automatically drives to the parking lot.

  1. Get off at 1 entrance
  2. 2The cars drive automatically to mechanical car parking systems
  3. 3Mechanical car parking systems that communicates with  vehicles automatically enters the parking lot and completes parking.

(3) Dramatically improved convenience and safety

  1. 1 By linking the car and mechanical car parking systems, it becomes possible to automatically enter and exit the parking lot, freeing people from the troublesome parking operations that have been involved in the past, and dispelling preconceived notions about parking.
  2. 2Since there is no need for people to enter mechanical car parking systems, it is possible to reduce the risk of accidents occurring within the equipment and to develop equipment that is more compact than the current situation.

Contact Information Regarding this Matter

ShinMaywa Industries, Ltd.

Public Relations/IR Department Corporate Planning Headquarters

National University Corporation Gunma University

Person in charge: Ishizaka, Aramaki Center Office,   Industry-Academia Collaboration Promotion Division, Research Promotion Department

+81-27-220-7443 (direct)

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