PRE2017 3 Groep6

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Autonomous mobility scooters

Need for Autonomous mobility scooter

Traffic related deaths

In the period of 2010-2016 the average number of traffic related deaths in the Netherlands per year is 650, of which 30 mobility scooter drivers. This is 4.7% of the traffic related deaths. Compared to the average of 184 cyclist that died pear year in this period of time, which is 28% of traffic related deaths, this seems like a low number. But the fact is that 84% the Dutch own a bicycle, which means that there are at least 13 million cyclist in the Netherlands (using 16 million inhabitants). This while there are less than 400 thousand mobility scooters. Which translates to more than 0.0075% of the mobility scooters having fatal accidents, while less than 0.0014% of the cyclists have fatal accidents. Which means a mobility scooter driver is at least 5 time more likely to die in a traffic related accident than a cyclist.

Elderly in mobility scooters

Number of deaths.png

This bar chart shows the average number of accidents in which the mobility scooter driver died in the period of 2010-2016.

Percentage of deaths mob.png

This bar chart shows the percentage of traffic related death of which the person was a mobility scooter driver in period of 2010-2016.

llook a nex sentence
(Personal note: It is important to note that the older a person is, the more likely they are to be driving in mobility scooter. This should have an effect on the number of related deaths of a mobility scooter driver)

It could be assumed that the rise in the amount of deaths for the age group of 70+ is caused because this age group is more likely to drive in a mobility scooter. But as seen in this table, they are more likely to die in any related traffic accident.

Source for all these statistics: Statline CBS

Conclusion

There are a high number of fatal accidents where mobility scooter drivers lose their lives, compared to one of the main modes of transportation in the Netherlands, which is cycling. The automated mobility scooter should have an impact on these numbers.


Non-fatal accidents

Up till now only fatal accidents were considers, but there are also accidents which result in a trip to the emergency room. In the year 2016, 1600 people had to be treated at the emergency room because they had an accident while driving a mobility scooter. VeiligheidNL had 115 people who had to be treated at the emergency room because they had an accident with a mobility scooter take a survey. (VeiligheidNL <--Needs proper source formatting) This showed that in most cases, the accident could have been avoided if the mobility scooter was automated. This survey also showed that in 88% of the cases, the accidents accord in an area the people had been before.

Oorzaken ongevallen.png

Still needs translation to English

Scnenario ongevallen.png

Still needs translation to English

The original page
Why is there need for an automated mobility scooter

State of the art review

To go back to the mainpage: PRE2017 3 Groep6.


This part is not finished yet

[5] this article describes the current state of the art in 2017. So it will probably be close to the current state of the art. It describe popular input methods. At the moment there is already a method Brain-computer interface that can detect that the user is frustrated with the system. It also describes promising methods of obstacle detection such as low-tech inexpensive optical USB camera and sophisticated machine vision software. The articles also describe different operation mode like machine learning, Following, localization and mapping and, navigational assistance. The article also considers human factor in smart wheelchairs.

Route planning

To plan a route for a smart wheel chair is more involved as planning a route for a pedestrian. A pedestrian can take the stairs or get trough a narrow walk way. Both are impossible for a wheel chair. At the moment they combine accessibility maps with route planning to be able to plan a route for a wheelchair user[1]. There is also a method which calculates scores for sideway segment and uses those scores to determine the best route between two addresses in a network [2]

Navigation

[14] This paper describes an intelligent robot scooter being developed. a lot of elderly are using mobility vehicles. Intelligent mobility scooters will give their users a safer and more appealing transport option such which will allow them to be more mobile and autonomous. It is necessary to develop a scooter which uses sensors and an electronic smart interface. In this paper,they describe hardware options and the configuration of the mobility scooter; The navigation system, including the localization using grid map matching, path following, and obstacle avoidance, is implemented on the proposed scooter. they presented the results of an experiment in Tsukuba Challenge 2010 and evaluate the proposed systems. The newly developed scooter successfully and autonomously ran a 1.1 km course in a normal living environment.
[17] about how more and more elderly and disabled people are using electric scooters instead of electric wheelchairs because of higher mobility. However, people with high levels of impairment or the elderly still have difficulties in driving the electric scooters safely. Semi-autonomous electric scooter system is one of the solutions for the safety: Either manual driving or autonomous driving can be used selectively. In this paper, they implemented a semi-autonomous electric scooter system with functions of localization and path following. In order to recognize the pose of electric scooter in outdoor environments, they designed an outdoor localization system based on the extended Kalman filter using DGPS (Differential Global Positioning System) and wheel encoders. they added an accelerometer to make the localization system adaptable to road condition. Additionally, they proposed a path following algorithm using two arcs with current pose of the electric scooter and a given path in the map. Simulation results are described to show that the proposed algorithms provide the ability to drive an electric scooter semi-autonomously. Finally, they conducted outdoor experiments to reveal the practicality of the proposed system.

Obstacle avoidance

[12] This is an older article (1997) which has researched the practical use of an automated wheelchair with various sensors. The idea was to create a wheelchair which could manoeuvre itself through tightly-packed environments, by using simple control inputs from elderly or disabled people that require vocational rehabilitation.
many sensors were combined to allow for the wheelchair to "scan" its direct environment and ensure swift, precise and safe mobility. The way this project was realised was having users collaborate in every step of the process.

[14] This paper describes a intelligent robot scooter being developed. a lot of elderly are using mobility vehicles. Intelligent mobility scooters will give their users a safer and more appealing transport option such which will allow them to be more mobile and autonomous. It is necessary to develop a scooter which uses sensors and an electronic smart interface. In this paper,they describe hardware options and the configuration of the mobility scooter; The navigation system, including the localization using grid map matching, path following, and obstacle avoidance, is implemented on the proposed scooter. they presented the results of an experiment in Tsukuba Challenge 2010 and evaluate the proposed systems. The newly developed scooter successfully and autonomously ran a 1.1 km course in a normal living environment.

Pedestrian detection Large-Field-Of-View

Since the mobility scooter will be in crowed areas, such as malls, a fast method to scan for pedestrians is important. For autonomous cars the pedestrian detection can be done with a Large-Field-Of-View (LFOV) deep network, that uses machine learning to determine the location of pedestrians in an image. [21] The LFOV method divides the image in a grid of multiple images and can scan them simultaneously for pedestrians. This method is more successful because it can detect pedestrian at a speed of 280 ms per image, compared to prior methods which took seconds.
In 1999 there where already quite succesfull test with using a smart wheelchair in a trainstation during rush hour.[3]

Navigation in the dark

For driving in the dark during night time normal cameras would not work for obstacle avoidance. Infrared (IR) or thermal imaging can be a solution for this problem. Since pedestrian, cars and all motorized vehicles have a heat signature. [22] In combination with a LIDAR system to detect object that don’t have a heat signature, the scooter should be able to navigate the environment.

user taking over control

Sometimes if the autonomous system fails, it does not know how to deal with the situation. The developers of the smart wheel chair can choose to that the system informs the user that he or she needs to take over. There are different ways to notify the user to take over. There is an article [9] exploring different ways to notify an user to take over control.
This article shows results with abstract cues, such as audio and cues delivered from the tablet can help notify the driver.look up result in article and state them here

Hardware

The problem of mapping can be solved by constructing a 2D scan with a LIDAR system from a 3D environment. [18] After which it the localization can be done in the 2D mapped environment for lower processing power.[19] An example of the visual validation of localization can be seen in figure 1. The LIDAR system for the mapping and localization has to be able to scan a large area at once and has to be high on top of the mobility scooter because of this.

The more complex dynamic environment that has to be avoid pedestrians and other (smaller) moving vehicles can be done by a second LIDAR system lower to the ground. An example of the components of the mobility scooter can be seen in figure 2. In this example two external lead-acid batteries rated at 12 V and 22 Ah each are connected in series, to form an auxiliary 24 V power supply.
(In the example used the mobility scooter is shared between multiple users, which is something we could explore too, as this may reduce the cost of being able to ride in an autonomous mobility scooter.)

[6] this article explains how IR and ultrasonic devices could be implemented on a mobility scooter and shows tests with an implemented system, how well the system responds to far, medium and short distance to obstacles.

Figure 2: Hardware overview scooter. [20]

[14] This paper describes a intelligent robot scooter being developed. a lot of elderly are using mobility vehicles. Intelligent mobility scooters will give their users a safer and more appealing transport option such which will allow them to be more mobile and autonomous. It is necessary to develop a scooter which uses sensors and an electronic smart interface. In this paper,they describe hardware options and the configuration of the mobility scooter,. The navigation system, including the localization using grid map matching, path following, and obstacle avoidance, is implemented on the proposed scooter. they presented the results of an experiment in Tsukuba Challenge 2010 and evaluate the proposed systems. The newly developed scooter successfully and autonomously ran a 1.1 km course in a normal living environment.


safety

A lot af people buy mobility scooters with consultion a medical professional [10]. So there is not a medical professional that says the usere needs one or and medical professional that says the users is able to use a mobilitye scooter. A lot of people refused to acknowledge the fact that their loss of a previous driving license might also affect their ability to safely operate a mobility scooter[10]. So there are probably useres that should not drive a mobility scooter themslefs but still do it.

Often retailers do not provide (proper) training to poeple that buy a mobility scooter[10].

There was a survey done to investigate the characteristics of scooters en powered wheelchairs[4]. This survey conclude 1 in 5 useres had an accident with their powerd wheelchar or scooter in the last year. There are users that fell of or got knocked over by their own scooters[10]

[8] this is a study done to find out the current number of incidents between 2011 and 2012. This could help us to see if our autonomous modifications will actually help solve some incidents look up conclusion ad stat here

[7] this article explores the safety of mobility scooters by a series of collision tests. look up conclusion ad stat here


why do they use them

[10]Most participants had not compared multiple brands or suppliers before their (often impulsive) purchase of a scooter, and only one individual had a medical recommendation. Retailers did not provide proper training and many users made uninformed purchases.
[10]The main application for the scooters were shopping and attending various appointments (doctors, education, church, walking dogs, etcetera). Also, the sense of independence with regards to their friends and family meant that the scooter users all noticed their quality of life to improve when using their scooters.
[10]Most of the scooter users agree that the scooter makes it easier for them to improve their social life and eases all kinds of tasks even before an individual’s health starts declining. However, limitations do also occur. Many shopping isles support limited amounts of space to move through using scooters. The same occurs in lifts and public transport. Some participants had a hard time avoiding objects and walls, and thus stuck to a known set of locations in which they could fully operate. Storage and charging both were considered difficult as well, mostly from a lack of space in general.
[10]The research supports existing papers regarding social improvements that mobility scooters provide. For scooters to keep their positive influence on ageing people’s lives, they need to be customizable to individual situations and postures. The necessary skills (physical and sensory) should not be underestimated, as this is the case right now. People are driving scooters mainly because of the inability to drive other vehicles, which is not without cause. Another issue is the fact that most residences do not have the material available to properly store and charge multiple electric scooters for their inhabitants, which is discriminating towards their individual needs.
Research was limited to users in residencies for ageing people, which meant storing and charging was difficult and environmental support not optimal.
[11] This article contained a more extensive explanation of the same type of research that was conducted in Article 1.
The methods and conclusions match and thus this summary will be very brief.
For elderly people using mobility scooters, most test subjects experience their life-quality to increase, but are in grave need of lessons regarding the use of their scooters, as well as proper assistance in choosing the correct model to prevent future problems both physically and sensory. Also, many public places are not compatible with scooters in terms of space and obstacles. [13]the article is about the increasing use of electric mobility-vehicles by older people in South Australia. the elderly have raised several problems with those vehicles. caretakers and urban planners are also experiencing a lot of problems. according to the users the up to date mobility-scooters have received little attention regarding research . The purpose of the study reported was the exploration of the factors that impact the elderly who are using the mobility-scooters, in particular from their perspectives. Data was collected with a survey of current electric mobility-scooter elderly users. Using two focus groups with people who were users the data was determined. The data showed that more than 71% of participants had a scooter for over two years. Most purchased the scooter new and 80 % owned a four-wheel scooter. The scooter where used for shopping, visiting friends and family, and rides for fun and pleasure. Most people used their scooters three to five times each week and travelled between two to five kilometres. The most important findings from the surveys were categorised into three major themes: ‘obtaining a scooter’, ‘the meaning of mobility’ and ‘issues around sharing spaces’. Each is exemplified. The implications for environmental and building design, for the better training of users, and for education are discussed.
[15] the goal of this article was to exploration of the individual experience of being a scooter user also finding out the way scooters impact the users mobile life and social life, daily movement and mobility.they used the following Methods: A framework using purposive sampling and a semi structured interview used with s group of individuals. Questions were categorised according to the International Classification of Functioning, Disability and Health into the three areas , participation and environmental factors. This resulted in the following: three main themes used research were knowledge, engagement and environments. the the theme Knowledge contained a lack of information and barley any training before the purchase . Engagement contained interaction displaying scooter users and resulted in increased participation and social engagement . Environments contained discrimination from the other traffic and shop users and building designs. The conclusions was : The research demonstrated a positive impact on there sociale space from using a scooter, while a lack of knowledge about scooters, batteries, skill ability and design along with environmental challenges of discriminatory attitudes and physical barriers. The research indicates the need for pre-purchase assessments and trials along with improvements in community attitudes and environments.
[16]this article is about that optimal mobility is an important element of healthy aging. Yet, older adults perceptions of mobility and mobility preservation are not well understood. The purposes of our study were to, identify studies that report older adults’ perceptions of mobility, conduct a standardized methodological quality assessment, and conduct a metasynthesis of the identified studies. They included studies with community-dwelling adults aged above 65 years, focused on perceptions of mobility pertaining to everyday functioning, used qualitative methods, and were cited in PubMed, Embase, CINAHLPlus, or Geobase databases. Study quality was appraised using the McMaster University Tool. the result they found was: Out of many studies identified, 12 met inclusion criteria. Overall quality of the studies was variable. Metasynthesis produced 3 overarching themes: mobility is part of sense of self and feeling whole, assisted mobility is fundamental to living, and adaptability is key to moving forward. what implications did their findings have : Older adults’ perceptions of mobility can inform interventions that would involve actively planning for future mobility needs and enhance the acceptance of the changes, both to the older adult and the perceived response to changes by those around them.

===Recommendations===
Extra research is required with regards to elderly and disabled people who use mobility scooters. More specific, their different training and information needs. Scooter resellers should also properly educate their buyers regarding their product choice.
[15] the goal of this article was to exploration of the individual experience of being a scooter user also finding out the way scooters impact the users mobile life and social life, daily movement and mobility.they used the following Methods: A framework using purposive sampling and a semi structured interview used with s group of individuals. Questions were categorised according to the International Classification of Functioning, Disability and Health into the three areas , participation and environmental factors. This resulted in the following: three main themes used research were knowledge, engagement and environments. the the theme Knowledge contained a lack of information and barley any training before the purchase . Engagement contained interaction displaying scooter users and resulted in increased participation and social engagement . Environments contained discrimination from the other traffic and shop users and building designs. The conclusions was : The research demonstrated a positive impact on there sociale space from using a scooter, while a lack of knowledge about scooters, batteries, skill ability and design along with environmental challenges of discriminatory attitudes and physical barriers. The research indicates the need for pre-purchase assessments and trials along with improvements in community attitudes and environments.

===sources===
[1] Holone H., Misund G. (2008) People Helping Computers Helping People: Navigation for People with Mobility Problems by Sharing Accessibility Annotations. In: Miesenberger K., Klaus J., Zagler W., Karshmer A. (eds) Computers Helping People with Special Needs. ICCHP 2008. Lecture Notes in Computer Science, vol 5105. Springer, Berlin, Heidelberg
[2] piyawan kasemsuppakorn & Hassan A. Karimi (2008) Personalised routing for wheelchair navigation
[3] e.prassle, j. scholz P. Fiorini (1999) Navigating a Robotic Wheelchair in a Railway Station during Rush Hour
[4] Kara Edwards 7 Annie Mccluskey (2010) A survey of adult power wheelchair and scooter users
[5] Jesse Leaman & Hung Manh LA (2017) a comprehensive review of smart wheelchairs: past, present and future
[6] Adrian Bingham, Xavier Hadoux &Dinesh Kant Kumar (2014) Implementation of a safety system using ir and ultrasonic devices for mobility scooter obstacle collision avoidance
[7] Hongyu Li & E.C. Chirwa (2014) Development of a mobility scooter finite element model
[8] Nancy M. Gell, Robert B. Wallace MD,Andrea Z. LaCroix ,Tracy M. Mroz, Kushang V. Patel Mobility Device Use in Older Adults and Incidence of Falls and Worry About Falling: Findings from the 2011–2012 National Health and Aging Trends Study
[9] Politis, I., Brewster, S. & Pollick, F. (2017) Using multimodal displays to signify critical handovers of control to distracted autonomous car drivers.
[10] Ryan Fomiatti, Lois Moir, Janet Richmond & Jeannine Millsteed (2014) The experience of being a motorised mobility scooter user, Disability and Rehabilitation: Assistive Technology, 9:3, 183-187, DOI: 10.3109/17483107.2013.814171
[11] Esther May, Robyne Garret & Alison Ballantyne (2010) Being mobile: electric mobility-scooters and their use by older people.
[12] Journal of Intelligent and Robotic Systems 22: 233-253, 1998.
[13]MAY, E., GARRETT, R., & BALLANTYNE, A. (2010). Being mobile: Electric mobility-scooters and their use by older people. Ageing and Society, 30(7), 1219-1237. doi:10.1017/S0144686X10000334
[14] M. Hirai, T. Tomizawa, S. Muramatsu, M. Sato, S. Kudoh and T. Suehiro, "Development of an intelligent mobility scooter," 2012 IEEE International Conference on Mechatronics and Automation, Chengdu, 2012, pp. 46-52.
[15] Fomiatti, Ryan,Moir, Lois,Richmond, Janet, Millsteed, Jeannine “The experience of being a motorised mobility scooter user” 2014/05/01
[16] R. Turner Goins, Jacqueline Jones, Marc Schure, Dori E. Rosenberg, Elizabeth A. Phelan, Sherry Dodson, Dina L. Jones; Older Adults’ Perceptions of Mobility: A Metasynthesis of Qualitative Studies, The Gerontologist, Volume 55, Issue 6, 1 December 2015, Pages 929–942
[17] Song, Ui-Kyu; Kim, Byung-Kook; “Development of a DGPS-Based Localization and Semi-Autonomous Path Following System for Electric Scooters” Institute of Control, Robotics and Systems 2011, pp.674-684
[18] [18]
[19] [19]
[20] [20]
[21] [21]
[22] [22]

Link to original page
State of the art review.

Preperation for requirements

We made an user scenario which can be found on the following page user scenario. This scenario was the starting point for our requirements. We also had a look at the laws. One the following page we have information on traffic rules for mobility scooters Trafic rules for mobility scooter. Additional requirements were added due to these rules.

Requirements

autonomous mobility scooter requirements

To go back to the mainpage: PRE2017 3 Groep6.


in order to make a product or a model of the system, it must first be decided what the actual requirements and limitations of our model are. with these requirements we can see what our model should eventually do.

we have split the requirements in four different sections, to split main concerns of the system.

navigation: these requirements concern everything to with the software and navigation, what it should, can, cannot or should not do.
safety: these requirements concern safety issues of a mobility scooter.
smart mobility: these requirements concern how to enhance the mobility scooter such that it responds to the requests of the user.
physical: these requirements concern the actual hardware that is needed for the mobility scooter.

navigation

  1. the mobility scooter can navigate through a shop.
  2. the mobility scooter can navigate through a door(850mm).
  3. the mobility scooter can use elevators(1050mmx1500mm).
  4. the mobility scooter can use public transport( be able to acess the wheelchair ramps).
  5. when the mobility scooter encounters an obstruction, the mobility scooter will alter it's path to go around the obstruction.
  6. the mobility scooter will offer up to three alternative paths to the destination.
  7. the mobility scooter can navigate regardless of the lightlevel
  8. the mobility scooter can navigate when it is raining
  9. the mobility scooter can navigate through fog, when visibility is less than 50 meters
  10. the mobility scooter can drive through snow less than 5 cm deep.
  11. the mobility scooter can differentiate between a road and a cycle path.
  12. when the mobility scooter encounters a trafficlight, the mobility scooter can determine which light of the trafficlight is on

safety

  1. The mobility scooter can not drive faster then 6 km/h on a walking path.
  2. the mobility scooter should not get closer than 10 centimetres to another person while driving.
  3. if the autonomous system detects a failure, it notifies the user through the use of sound.
  4. The mobility scooter can detect change in height in the road ahead. (curbs, speedbumps, holes, ramps)
  5. The mobility scooter can detect a berm.
  6. The mobility scooter can detect Bushes.
  7. The mobility scooter can detect Cyclists.
  8. The mobility scooter can detect pedestrians.
  9. The mobility scooter can detect animals.
  10. The mobility scooter can detect motorised vehicles.
  11. The mobility scooter will not fall over.
  12. The driver of the mobility scooter can not fall out of the scooter.
  13. The mobility scooter should allow the driver to intervene, if they don't trust the scooter.
  14. The mobility scooter should not cause bodily harm when a failure occurs.
  15. The mobility scooter should notify the user through the use of sound and visual display when the sensors are blocked. (Also UI related)
  16. The mobility scooter can safely move to a safe spot when the battery is less than 10% full.
  17. <- what is safe?
  18. The mobility scooter can safely operate with a driver of up to 125kg.
  19. The mobility scooter will stop moving if the driver falls out.
  20. The mobility scooter will give auditory and visual feedback if a wheel has been blocked.
  21. The mobility scooter can override the driver input when collision is imminent. (Not unusual that the applies the accelerator when trying to brake. Another example is that the driver wants to go forward but the scooter is in reverse)
  22. Will not tilt and fall when driving on a surface with a slope of more than 10° "(ratio 1:5)".
  23. The mobility scooter can not drive if there is no driver on the mobility scooter

smart mobility

  1. The mobility scooter has a display with a diameter of 15 to 25 centimeters, which is visible on a bright sunny day.
  2. The mobility scooter has a speaker system which provides auditory feedback in case of unexpected actions.
  3. The scooter allows the user to set their destination using the display and change the brightness.
  4. The scooter allows the user to set their destination using voice commands.
  5. The scooter allows the user to change the volume level for the speakers, and pre-set destinations of choosing.
  6. The scooter allows a user to get in using up to 60 seconds. No guidelines found yet, 60 seconds seems long but these users will not get off a lot.
  7. The scooter provides visual feedback to the user, by means of flashing lights on the dashboard in case of emergencies and imminent danger.
  8. The scooter can 'warn' people in vicinity of the scooter, by using its speakers.
  9. The scooter can be controlled through the use of either a steering wheel, a joystick or voice commands.
  10. The scooter can connect to the user's smartphone and make use of the included functions (calling, messaging).
  11. The scooter maintains a connection to the internet. A smartphone connection renders this redundant, but it should be available
  12. The scooter can self-initiate a call in case of an emergency.
  13. The scooter can communicate with other scooters to gather and share sensory information in their environment.

physical

  1. the mobility scooter should have batteries that can last 3 hours of driving time
  2. the mobility scooter should have a computer system built in such that it can process the massive amount of data
  3. the mobility scooter should have wireless communication to other vehicles
  4. the mobility scooter should have wireless communication with a server
  5. The autonomous mobility scooter will have flashing lights.
  6. The autonomous mobility scooter will have whit front lights.
  7. The autonomous mobility scooter will have red back light.
  8. The mobility scooter through a standard door (dimensions to be added)

legal requirements

  1. The mobility scooter will not drive faster than 6km/h on a side walk
  2. The mobility scooter will not drive faster than the speed limit when on a bicycle path
  3. The mobility scooter will not drive faster than 30 km/h on a bicycle path inside the built up area.
  4. The mobility scooter will not drive faster than 40 km/h on a bicycle path outside the built up area.
  5. The mobility scooter will not drive faster than 45 km/h on a regular road.
  6. The mobility scooter will not drive faster than the speed limit when on a regular road.
  7. When driving on a bicycle path the autonomous mobility scooter will not drive next to an other mobility scooter.
  8. When driving on a regular road the autonomous mobility scooter will not drive next to an other mobility scooter.
  9. When driving on a sideway the mobility scooter will obey the right of way rules for pedestrians.
  10. When driving on a bicycle path the mobility scooter will follow the right of way rules for mopeds.
  11. When driging on a regular road the mobility scooter will follow the right of way rules for mopeds.
  12. The mobility scooter will use flashing lights when changing driving directions.
  13. The mobility scooter will have his light on between 30 minutes before sunset and 30 minutes after sunrise when it is being used.
  14. The mobility scooter will ahve its light on during bad weather when it is used.

Solutions for requirements

Smart Mobility and Sensor Fusion

Planning and coaching

During the project we had coaching meetings. To prepare for those meetings we weekly answerd coaching questions. The questions and answers can be found on the following page Coaching Questions Group 6. There also is a page with extra information for the first meeting, First meeting preparations.
We also made a planning which can be found on the following page Planning Group 6.


Scrap paper pages

Article Summaries

Filenames used