Changes for page Functions

Summary

• Page properties (2 modified, 0 added, 0 removed)

Details

Page properties

Author

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1		-XWiki.ricardovogel
	1	+XWiki.Tim_Huisman2

Content

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4	4
5	5	===Must Haves===
6	6	==== Guiding a patient along a path ====
7		-To function as a walk-guiding robot, WAF needs to be able to follow a predetermined path. To do so, WAF must be programmable with various walking routes. We assume that, in general, people with dementia are not able to choose and/or set up good/suitable walking routes by themselves, and therefore we think that placing this responsibility at the activity coordinator is the best option. The coordinators must be able to set up new walking routes through an online portal in which they can draw a route on a floor plan of their building or a map of the outside area. The coordinators must also be able to create profiles for each of their patients to specify a walking plan containing suitable routes. WAF must then be able to follow this route correctly.
	7	+To function as a walk-guiding robot, WAF needs to be able to follow a predetermined path. To do so, WAF must be programmable with various walking routes. We assume that, in general, people with dementia are not able to choose and/or set up good/suitable walking routes by themselves, and therefore we think that placing this responsibility at the activity coordinator is the best option. The coordinators must be able to set up new walking routes through an online portal in which they can draw a route on a floor plan of their building or a map of the outside area. The coordinators must also be able to create profiles for each of their patients to specify a walking plan containing suitable routes. WAF must then be able to follow this route correctly, avoiding objects or people that might hinder WAF along its path.
8	8
9	9	==== Ensuring the patient stays on path ====
10		-During the walk, people with dementia might get distracted, strike conversation with someone or take a break, causing them to stop following WAF. WAF must be able to notice this so that he does not leave the PwD behind. Then, WAF must be able to wait and regain the attention of the patient to continue their walk.
	10	+During the walk, people with dementia might get distracted, strike a conversation with someone or take a break, causing them to stop following WAF. WAF must be able to notice this so that he does not leave the PwD behind. Then, WAF must be able to wait and regain the attention of the patient to continue their walk.
11	11
12	12	==== Altering caretaker ====
13	13	A situation might occur during the walk where WAF needs the help of a human, in this case, a caretaker. A patient may fall, causing them to need someone to help them stand up or to assist them when an injury occurs. Additionally, WAF might ultimately lose the patient, at which point he must be able to alert the caretaker, notifying them of their position such that the patient can be found again.
14	14
	15	+
	16	+
15	15	===Should Haves===
16	16	====Voice control and customisable names====
17	17	To allow for more sophisticated interaction between the patient and WAF, WAF should be able to listen and respond to voice commands like an actual dog. For example, voice commands could be used when the patient wants to take a break, instructing WAF to stop for a moment. Additionally, it could increase the bond between the patient and WAF if WAF was programmable with different names, allowing patients to give him a personalized name.
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30	30	Once the route has been started, WAF walks ahead to show the way. When approaching turns, WAF indicates which way to go by slightly moving towards the desired direction and moving his head to indicate the turn. When the patient does well (e.g. follows WAF consistently), WAF gives positive reinforcement in the form of excited sounds and a wagging tail.
31	31
32	32	=== Ensuring the patient stays on path ===
33		-To assist WAF in ensuring the patient stays on the route, the patient will wear a proximity bracelet. The proximity bracelet is a small hand-held device that visually resembles a leash handle. It contains four main components: lights, a vibration motor, an accelerometer, and a distance sensor. The distance sensor will communicate the patients' distance to WAF with WAF so that WAF knows when the patient stops following him. When this happens, the lights and the vibration motor can be used to bring the attention of the patient back to WAF.
	35	+To assist WAF in ensuring the patient stays on the route, the patient will wear a proximity bracelet. It contains four main components: lights, a vibration motor, an accelerometer, and a distance sensor. The distance sensor communicates the patients' distance to WAF with WAF so that WAF knows when the patient stops following him. When this happens, the lights and the vibration motor are used to bring the attention of the patient back to WAF.
34	34
35		-Ideally, the proximity bracelet would be replaced with an actual leash as this would resemble walking a dog more and would ensure that a patient does not walk away from WAF. However, due to the frailty of WAF, this is not possible. This is explained in more detail in [[Robotic Partner>>https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group02/view/Foundation/Human%20Factors/Robotic%20Partner/]].
	37	+Ideally, we would replace the proximity bracelet with an actual leash containing each of the components mentioned before. This would resemble walking with a dog more and would ensure that a patient does not walk away from WAF. However, due to the frailty of MiRo, this is not possible. This is explained in more detail in [[Humanoid Robot>>https://xwiki.ewi.tudelft.nl/xwiki/wiki/sce2022group02/view/Foundation/Technology/Humanoid%20Robot/]].
36	36
37	37	It is possible that at some point on the walking route, the PwD stops following WAF. The system will be able to detect this through the distance sensor and act upon this. First, WAF will turn around and try to get the attention of the PwD by barking and flashing its colourful lights. If the PwD appears to follow WAF again, it will resume the current path. If not, the PwD can either be moving away from WAF or not moving at all.
38	38
39		-If the PwD moves away from WAF, WAF will follow them and keep trying to get their attention by making noises and flashing lights. WAF can also try to drive in front of them, making it easier to get attention, as WAF is now in the user's field of view. Additionally, the proximity bracelet will flash small lights and start vibrating. Once the user's attention is back at the WAF, they should be convinced to turn back. This will be done mostly through emotions. WAF will show excitement towards the correct path, by looking at it, taking some "steps" in its direction, making excited sounds, and wagging its tail. WAF can also look at the user and tilt its head, similarly to how a dog would ask its owner to keep walking. If the user is confused, these methods, combined with the leash they're holding, could remind them what they are doing. If the user is being stubborn, the excitement and begging motion from WAF could convince them to keep walking.
	41	+If the PwD moves away from WAF, WAF will follow them and keep trying to get their attention by making noises and flashing lights. WAF can also try to drive in front of them, making it easier to get attention, as WAF is now in the user's field of view. Additionally, the proximity bracelet will flash small lights and start vibrating. Once the user's attention is back at the WAF, they should be convinced to turn back. This will be done mostly through emotions. WAF will show excitement towards the correct path, by looking at it, taking some "steps" in its direction, making excited sounds, and wagging its tail. WAF can also look at the user and tilt its head, similarly to how a dog would ask its owner to keep walking. If the user is confused, these methods, combined with the proximity bracelet that they are wearing, could remind them what they are doing. If the user is being stubborn, the excitement and begging motion from WAF could convince them to keep walking.
40	40
41		-If the PwD does not walk further away from WAF, we assume them to be taking a break either by resting or by talking with someone. As both of these options are important for PwD's, WAF should allow for this. WAF will therefore wait patiently until the PwD starts following him again. Additionally, WAF occasionally tilts his head and makes a little noise to resemble a dog that is awaiting instructions/confused. Once the PwD starts coming closer to WAF again, WAF will resume its path.
	43	+If the PwD does not walk further away from WAF, we assume them to be taking a break either by resting or by talking with someone. As both of these options are important for PwD, WAF should allow for this. WAF will therefore wait patiently until the PwD starts following him again. Additionally, WAF occasionally tilts his head and makes a little noise to resemble a dog that is awaiting instructions/confused. Once the PwD starts coming closer to WAF again, WAF will resume its path.
42	42
43	43	=== Alerting caretaker ===
44	44	If the PwD diverts from their path too far, causing the proximity grip to lose connection, WAF will alert a caretaker or the activity coordinator so that they can intervene. Finally, it is also possible that the PwD falls. For this, the proximity grip will also contain an accelerometer. The accelerometer will be able to detect heavy vertical acceleration, which, combined with little to no change in distance to WAF would indicate a fall. If detected, WAF will automatically alert a caretaker.