Why AGV? - Det Effektive Hospital

Transcrição

This is why AGV´s are used in
Hamburg Eppendorf & Klagenfurt
AGV as part of global logistic considerations
in a hospital
MMG engineering company
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Founded in 1999
30 engineers and employees for administration
13 technical employees for service & maintenance in 5
projects
Head office in Berlin
Branch office in Vienna
Our focus: technical solutions as part of global logistic
considerations in a hospital – especially for AGV systems and
pneumatic tube systems.
MMG mbH 2013, Weitergabe an Dritte nur
mit schriftlicher Zustimmung seitens MMG
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Agenda
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MMG projects
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Why AGV?
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Calculating economic efficiency
Non-monetary reasons
AGV planning tools
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Project Klinikum am Wörthersee, Klagenfurt
Project University Hospital Hamburg-Eppendorf
Design phase
Evaluation phase
Procurement
Implementation
Summary
Future trends / current discussion
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MMG projects
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Klinikum Bremen-Mitte
Universitätsklinikum Hamburg-Eppendorf
Universitätsklinikum Düsseldorf
Universitätsklinikum Giessen und Marburg
Klinikum Offenbach
Bezirkskliniken Schwaben (Bezirkskrankenhaus
Günzburg)
Universitätsklinikum Ulm
Salzburger Landeskliniken (SALK)
Tiroler Landeskrankenanstalten Innsbruck (TILAK)
Klinikum Klagenfurt am Wörthersee
Universitätsklinikum Aachen
Universitätsklinikum Bonn
Krankenhaus Bozen
Universitätsklinikum Berlin, Charité
Krankenhaus Duisburg
Universitätsklinikum Frankfurt am Main
Universitätsklinikum Göttingen
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SILOAH Klinikum Hannover
Universitätsklinikum Heidelberg
Humboldt Krankenhaus Berlin
Klinikum St. Pölten NÖ
Universitätsklinikum Graz
Klinikum Stuttgart
Universitätsklinikum Tübingen
Bundeswehrkrankenhaus Ulm
Vivantes Klinikum Berlin Neukölln
Krankenhaus Nord Wien
Dr. Horst Schmidt Kliniken Wiesbaden
Klinikum Ansbach
Universitätsklinikum Jena
Universitätsklinikum Leipzig
Klinikum Karlsruhe Robert Bosch
Krankenhaus Stuttgart
Universitätsklinikum Freiburg
Deutsche Nationalbibliothek Leipzig
Hauptbibliothek Wien
Universitätsbibliothek Berlin, TU
Bibliothek Bozen
Project Klinikum am Wörthersee, Austria
Project specifications:
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Newly constructed surgical center und
logistic center
Approx. 670 beds and 14 surgery wards
Competition in 2003
Construction period and parallel AGV
planning from 2006 to 2010
Area of the new building approx.
64.000 sqm
Building costs 328 M EUR, thereof
approx. 10 M EUR for AGV
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Implementation of an AGV
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60 vehicles
Track distance of ~ 7 km
65 sending and receiving stations
670 roll containers
2 automatic container washing machines
2 large automatic storage areas
1 large cooled automatic storage area
Receiving and sending stations with conveyor
technique
Control system with 1 server and 4 clients
(hot-stand-by)
65 fire resistant doors on AGV track
Automated elevators for transport of roll
containers
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5 different kinds of roll containers
Linen
Sterile
materials
Patient
meals
Pharma
ceutical
&
stored
goods
Waste
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Planning phases of AGV:
Pre planning phase:
Unique opportunity to influence decisions in every service
department in terms of logistic questions, even before the start of
AGV planning
-> the deciding factor for the success of the Klagenfurt project
-> global consideration of logistics and transportation
-> this stage of planning is our particular area of expertise
l Planning process
l Procurement
l Assistance during the Implementation
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Responsibility for costs in every phase
Responsibility to keep on schedule
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Project University Hospital Hamburg
Project specifications:
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New building with approx. 750 beds and
16 surgery wards
Competition in 2003
Construction period and parallel AGV
planning from 2004 to 2008
Area of the new building
approx. 40.000 sqm
Building costs 188 M EUR, thereof approx.
4 M EUR for AGV
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Implementation of an AGV
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33 vehicles
Track distance of ~ 3 km
34 sending and receiving stations
250 roll containers
1 automatic container washing machine
2 automatic storage areas
1 storage area served by AGV
Control system with 1 server and 2 clients
(hot-stand-by)
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2 different kinds of roll containers
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Universal roll containers for transportation of most goods
Skeleton roll containers for transportation of linen
Manual transportation of sterile materials
Linen
Pharma./
stored
goods,
patient
meals,
waste
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Planning phases of AGV:
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Poor integration of the AGV planning
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Late decision for an AGV
Architectural decisions already made
Limited possibility for optimal AGV planning
Despite these challenges our experience enabled us to provide a
successful system
Planning process
Procurement
Assistance during the Implementation
Responsibility for costs in every phase
Responsibility to keep on schedule
Responsibility to monitor implementation of new AGV
software (first system without floor installations in the world)
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Why AGV?
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Hospitals often ask the same questions
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Can AGV help us to structure our processes better?
Can AGV support us using our existing infrastructure?
Can AGV reduce dependency on employees and manual labor?
Can AGV increase the reliability of our transportation?
Can AGV offer flexibility for future reorganisations of the
hospital?
Can AGV help us save money?
As shown in the case of Hamburg and Klagenfurt, the answer
is:
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As the first step in an AGV planning project the economic
efficiency has to be proved
To determine the economic efficiency for an AGV system in a
hospital, we compare a manual transportation system with an
AGV system.
For both systems the same basic data is used.
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Distances
Number of (AGV) trips
Costs
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Installation
Maintenance
Energy
Evaluation of required infrastructure
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The basic data is then filled
into the calculation sheet to
evaluate the costs and other
aspects needed according to
the guidelines of the
Evaluation of economic
efficiency of Automated
Guided Vehicles (VDI 4450).
Next the data is entered
into the spreadsheet to
calculate the economic
efficiency of the AGV
system.
The decision for an AGV
system is generally
made with an ROI
around 7 years.
AGV systems have a
lifetime of about 20
years.
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Results
Klagenfurt hospital:
l The calculated ROI is ~ 5,5 years.
l Due to the AGV around 37 less employees are needed
l ~ 1 M EUR saved in labor costs per year
l The real ROI will be longer, but still with less than the lifetime
of the AGV
Hamburg University hospital:
l The ROI is ~ 3 years.
l Due to the AGV around 47 less employees are needed
l ~ 1,65 M EUR saved in labor costs per year
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Non-monetary reasons for choosing AGV
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Hamburg University Hospital
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Modern reputation
Goal to become most modern hospital in Europe
Possibility to optimize processes and thus save time
Klagenfurt:
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Technical necessities
Technical system needed to make the use of heavy roll
containers (for e.g.) possible
AGV enables more flexibility for the layout of the hospital (e.g. to
separate the service departments from the hospital wards).
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AGV planning tools
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Both hospitals chose an AGV system
The next step was to bring this idea to life by means of
effective planning
We used a number of tools developed by MMG to do so:
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Checklist for the main interfaces and basic necessities
AGV timetable
Number of vehicles calculation
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AGV planning – design phase
AGV planning target –
optimal implementation of AGV into a hospital with its
specific needs
This includes:
l Review and confirmation of the built environment,
l Review of corridor and door sizes required for all vehicle
types,
l Interfaces:
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Human interfaces including avoidance of malicious use,
Facilities management (FM) interfaces (e.g. repairs and
maintenance),
Information technology (IT) interfaces,
Other electronic system interfaces (e.g. security, fire and
emergency, call systems, doors, lifts, etc.)
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AGV planning target –
optimal implementation of AGV into a hospital
This includes:
l Roll container requirements, usage for specific items and
RFID-recognition of roll containers,
l Minimum parking and storage requirements
l Evaluation of future developments, so as not to limit AGV and
roll container functionality.
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MMG developed its own checklist
that has been established
successfully in many AGV
projects.
Main aspects are:
Architecture
Mechanical equipment
Elevators
IT
Other existing systems
In the design phase every
question needs to be answered.
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AGV planning – evaluation phase
At the same time, it is necessary to calculate and evaluate the
basic data of the AGV
1. AGV timetable
For this it is necessary to evaluate the following data:
Ø Number of trips between the sending / receiving stations for
each category of goods,
Ø Distances – horizontal and vertical
Ø Duration of each trip,
Ø Decisions about time slots for the trips on a 24 hour basis.
The AGV timetable is based on the day with the maximum
number of trips (for example a Thursday with max. occupancy).
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AGV timetable
MMG Ingenieurgesellschaft mbH
Berarbeiter: Herr Richter
Klinikum Offenbach: Fahrplan
Stand 04.08.2006
unterwegs im Haus
Standort
5
Waschen
5
Hintransport
Rücktransport
Überlappter Transportzyklus
1.Frühstück (60 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
10
07:30
10
10
10
10
08:00
09:00
10
10
10:00
10
10
10
10
10
10
11:00
12:00
14:00
13:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
10
120
2.Mittag (60 Container + 5 Mitarbeiterversorgung)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
10
11:00
10
10
10
12:00
14:00
13:00
5
10
10
10
10
10
15:00
10
17:00
16:00
18:00
19:00
20:00
21:00
22:00
23:00
5
130
3.Abendessen (60 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
14:00
13:00
10
15:00
10
10
10
10
16:00
17:00
10
18:00
10
10
10
10
10
19:00
20:00
21:00
22:00
23:00
19:00
20:00
21:00
22:00
23:00
10
120
4. Lager (30 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
7
8
7
09:00
10:00
12:00
11:00
14:00
13:00
15:00
16:00
8
7
8
7
17:00
18:00
8
60
5. Apotheke (30 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
12:00
11:00
3
3
3
6
6
3
14:00
13:00
3
3
3
6
6
6
3
3
3
6
6
15:00
16:00
7
17:00
8
7
18:00
19:00
20:00
21:00
22:00
23:00
8
60
6. Medica-und Verwaltungsbedarf (30 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
08:00
07:00
09:00
10:00
11:00
12:00
6
13:00
6
14:00
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
6
60
7. Sterilgut (30 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
13:00
14:00
15:00
16:00
6
6
6
17:00
6
6
6
6
18:00
6
6
19:00
20:00
21:00
22:00
23:00
6
60
8.Wäsche (90 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
11:00
12:00
14:00
13:00
15:00
16:00
17:00
19:00
18:00
18
18
18
18
20:00
18
18
18
18
21:00
18
22:00
23:00
18
180
9.Abfall (50 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
09:00
10:00
5
5
5
12:00
11:00
5
5
7
9
9
9
9
7
13:00
8
8
14:00
7
6
15:00
6
8
8
8
16:00
8
8
8
17:00
7
7
7
7
7
18:00
19:00
20:00
21:00
22:00
23:00
18:00
19:00
20:00
21:00
22:00
23:00
7
200
10.Gertränke (30 Container)
00:00
01:00
02:00
03:00
04:00
05:00
06:00
07:00
08:00
7
8
09:00
7
8
7
8
10:00
11:00
3
4
12:00
4
4
3
14:00
13:00
4
4
4
21
20
15:00
16:00
17:00
60
11.OP Siebe (12 Container)
00:00
01:00
02:00
03:00
04:00
0
05:00
0
0
0
0
0
06:00
0
0
10
07:00
10
10
10
10
10
08:00
3
3
3
3
10
11
17
19
09:00
10
10
10:00
25
25
25
25
12:00
11:00
15
17
17
16
14:00
13:00
3
3
3
3
25
25
22
24
15:00
16:00
17:00
18:00
19:00
20:00
21:00
22:00
23:00
24
19
19
19
16
26
26
23
18
18
18
21
22
27
29
20
21
23
23
16
16
10
10
18
18
18
18
18
18
18
18
18
18
0
0
0
0
1074
Summe
1074
Verteilung Transporte / Zeiteinheit
0
0
40
48
51
70
82
83
84
73
93
79
97
78
56
72
72
0
Graphische Darstellung
Verteilung der Transporte
Anzahl Transporte
35
30
25
20
Reihe1
15
10
5
0
Zeitachse
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2. Number of vehicles calculation
To evaluate the number of vehicles it is necessary to put all the
basic data from the AGV timetable into the calculation sheets.
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One “calculation sheet” for each transportation time slot
One “overview sheet” with the results concerning the number
of vehicles per hour
-> the maximum number defines the necessary number of
vehicles for an AGV system
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2. Number of vehicles calculation
Calculation sheet
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2. Calculation of number of vehicles
Overview sheet
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3. Roll container washing machines – capacity
The number and construction of the roll container washing machines
are calculated by looking at the peaks in the 24 hour schedule.
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4. Container storage area – optimal allocation
Because of the space constraints in hospital wards and service
departments, storage spaces in more cost-effected parts of the hospital
(like the cellar) are necessary and the ideal solution for the problem.
The above picture is an example of a calculation result.
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AGV planning
MMG developed an umbrella tool to combine our individual
planning tools for technical AGV planning.
This tool can be implemented in a dynamic process simulation of the
AGV system in the hospital environment with its different processes.
This enables optimal AGV planning including different scenarios.
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AGV procurement
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We have experience writing up 30 invitations to tenders for
major AGV projects in hospitals
These invitations are tailored for each project or client and
include the latest technology
MMG is known by the suppliers for requiring innovative
products.
Our invitations to tender are non-company specific so that
competition among the AGV suppliers is established.
Generally, around 5 suppliers are able to submit the offers.
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AGV implementation
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Supervising the implementation of an AGV system:
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Implementation of testing scenarios
Programming (timetables, priorities, etc.)
Training of employees to use the AGV correctly
Communication with the authorities
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Summary
In both hospitals the AGV system functions successfully
Hamburg:
l The technical installation took 2 years more than expected,
but now Hamburg has the most cutting edge floor guide
technology
l The AGV is being used to its maximum potential and is even
being extended to other buildings
l The economic success is demonstrated every day and every
year as a result of lean processes following the installation of
AGV
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Summary
In both hospitals the AGV system functions successfully
Klagenfurt:
l In comparison to other hospitals, the overall technical and
logistic aspects of the AGV in Klagenfurt are the most
innovative to date
l In the last 5 years the AGV has proved more than successful
– both technological and economically
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AGV future trends
In future, modern solutions will allow the usage of AGV in
existing hospitals without any problems, because of the following
reasons:
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vehicles will be smaller and more manoeuverable,
highly efficient and economical batteries will be used,
Vehicle loads of up to 500 kg will be possible
AGV only need earthing around every 30 m, thus no special
floors will be necessary,
security technologies will enable very high speeds,
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AGV future trends
In future, modern solutions will allow the usage of AGV in
existing hospitals without any problems, because of the following
reasons:
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it will be (and in fact already is) possible to share passenger
elevators,
There will be (and in Hamburg, there is) no need of floorinstallations,
vehicles will be washed in automated washing machines,
lower installations will be necessary, only using LAN, WLAN
and electricity.
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AGV current discussion
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Transportation of different objects
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MMG is working on breakthoughs in transportation of beds by
AGV
Interfaces to other IT-systems
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The AGV system with all its components is guided by the AGV
control system
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The AGV control system operates all transportations between the sending
and receiving stations according to the optimized AGV timetable.
The transport itself is not started by a linked system, but it is started
manually (by reading the RFID tag).
There are existing interfaces to external systems
If and how the interface to a MES (for e.g.) is necessary and
reasonable can be discussed individually in each project.
- 37 -
Thank you for your time and attention!
Contact details
MMG Ingenieurgesellschaft mbH
Am Borsigturm 100
13507 Berlin
+49 / 030 / 43 77 53 0-0
+49 / 030 / 43 77 53 0-33
Heike Holstein
+43 676 9502475
[email protected]
Thomas Forst
+49 178 7969787
[email protected]
- 38 -

Why AGV? - Det Effektive Hospital

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