software dei using a microwave oven - witech labcooking is the application of heat to ingredients to...
TRANSCRIPT
![Page 1: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/1.jpg)
1
![Page 2: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/2.jpg)
Software Defined Cooking (SDC) using a microwave oven
Haojian Jin
Jingxian Wang
Swarun Kumar
Jason Hong
2
![Page 3: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/3.jpg)
Cooking is the application of heat to ingredients to
transform them via chemical and physical reactions Cooking is the application of heat to ingredients to
transform them via chemical and physical reactions
Jeff Potter. Cooking for Geeks: Real Science, Great Hacks, and Good Food. 3
![Page 4: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/4.jpg)
Cooking is the application of heat to ingredients to
transform them via chemical and physical reactions
Jeff Potter. Cooking for Geeks: Real Science, Great Hacks, and Good Food.
SDC = programmable heating
heat the food in a software-defined thermal trajectory (recipe).
4
![Page 5: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/5.jpg)
https://www.huffpost.com/entry/bacon-mistakes-how-to-cook_n_3111706 5
overcooking the fat,
without burning the meat.
![Page 6: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/6.jpg)
Cooked = Temperature x Time x Space
6
Software-defined Cooking Recipe
![Page 7: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/7.jpg)
time
temperature
Preheat
Denature myosin
Kill bacteria
Denature actin
Burn fat
50°C
55°C
65.5°C
163°C
7
Software-defined Cooking Recipe
Cooked = Temperature x Time x Space
![Page 8: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/8.jpg)
time
temperature
Preheat
Denature myosin
Kill bacteria
Denature actin
Burn fat
50°C
55°C
65.5°C
163°C
a fat pixel
8
Software-defined Cooking Recipe
Cooked = Temperature x Time x Space
![Page 9: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/9.jpg)
9
Software-defined Cooking Recipe
Cooked = Temperature x Time x Space
time
temperature
Preheat
Denature myosin
Kill bacteria
Denature actin
Burn fat
50°C
55°C
65.5°C
163°C
a fat pixel
a meat pixel
![Page 10: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/10.jpg)
SDC (software-defined cooking): a novel low-cost closed-loop system that can sense and control heating at a fine-grained resolution.
10
![Page 11: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/11.jpg)
SDC (software-defined cooking): a novel low-cost closed-loop system that can sense and control heating at a fine-grained resolution.
11
We have a demo booth!
![Page 12: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/12.jpg)
Spoiler alert
12
high heat
![Page 13: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/13.jpg)
13
Spoiler alert
high heat
![Page 14: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/14.jpg)
14
Spoiler alert
![Page 15: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/15.jpg)
third most popular domestic heating method (after baking and grilling)
15
![Page 16: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/16.jpg)
reheating leftovers uneven & unpredictable heating
Today’s Microwave: a blunt heating device
16
![Page 17: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/17.jpg)
Microwave can only heat food blindly
Don’t know how much heat each food pixel has absorbed.
Have no way to actuate heating on a specific food pixel.
17
1
2
![Page 18: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/18.jpg)
Sensing
Actuation
18
A closed-loop system to heat smartly
Don’t know how much heat each food pixel has absorbed.
Have no way to actuate heating on a specific food pixel.
1
2
![Page 19: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/19.jpg)
Sensing
Actuation
19
A closed-loop system to heat smartly
![Page 20: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/20.jpg)
Sensing
Actuation
20
A closed-loop system to heat smartly
![Page 21: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/21.jpg)
Heat Sensing
21
![Page 22: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/22.jpg)
Most electronics & batteries are not microwave-safe.
22
Sensing related work (1)
![Page 23: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/23.jpg)
Microwave Synthesis Workstation
8 temperature sensors
$ 86,000+
23
Sensing related work (2)
Specialized microwave-safe sensors are delicate and expensive.
![Page 24: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/24.jpg)
Neon lights
Electrodes
Glass
Low-pressure Neon gas mixture
24
![Page 25: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/25.jpg)
25
Low-cost,
wireless,
battery-free,
microwave-safe,
glow in strong EM
![Page 26: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/26.jpg)
Programming EM sensitivity
dark glow -> brighter
EM field strength
burned
26
![Page 27: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/27.jpg)
Programming EM sensitivity
dark glow -> brighter
EM field strength
burned
cannot measure any EM field cannot measure any EM field
can measure the EM field
27
![Page 28: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/28.jpg)
Wires as the antenna for energy harvesting
28 Glowing principles => Paper
Programming EM sensitivity
![Page 29: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/29.jpg)
dark glow -> brighter burned
dark glow -> brighter burned
dark glow -> brighter
EM field strength
burned
0 mm
7.5 mm
15 mm
29
Programming EM sensitivity
![Page 30: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/30.jpg)
dark glow -> brighter burned
dark glow -> brighter burned
dark glow -> brighter
EM field strength
burned
0 mm
7.5 mm
15 mm
30
Programming EM sensitivity
![Page 31: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/31.jpg)
Placement of Neon Lights
31
turntable with 32 neon lights cover with 32 neon lights
3cm
![Page 32: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/32.jpg)
non-line-of-sight neon light signals
Optical fibers
32
![Page 33: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/33.jpg)
A web cam
33
A thermal cam
Sensors
![Page 34: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/34.jpg)
A web cam
34
A thermal cam
Sensors Raw data
3D EM field
raw temperature
![Page 35: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/35.jpg)
Temperature P
Gradient P’
A web cam
35
A thermal cam
Sensors Raw data Output
3D EM field
raw temperature ext
en
de
d k
alm
an fi
lte
r
![Page 36: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/36.jpg)
Heat Actuation
36
![Page 37: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/37.jpg)
turn table for blind rotation
37
Actuation related work
non-uniform and unpredicatable
![Page 38: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/38.jpg)
A closed-loop turntable
Desired heat patterns from software-defined recipes
Current temperature distribution from Sensors
at time t 38
![Page 39: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/39.jpg)
Desired heat patterns
Current temperature distribution
at time t
Heating gap
39
A closed-loop turntable
![Page 40: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/40.jpg)
Desired heat patterns from Software-defined recipe
Current temperature
distribution ℗
at time t
Heating gap
Realtime heating power (P’)
temperature gradient
40
A closed-loop turntable
![Page 41: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/41.jpg)
Desired heat patterns from Software-defined recipe
Current temperature
distribution ℗
at time t
Heating gap
temperature gradient
Adjust rotation plan
41
A closed-loop turntable
Realtime heating power (P’)
![Page 42: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/42.jpg)
Microwave cannot heat individual pixels independently.
42
Heating patterns from 3D standing waves
![Page 43: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/43.jpg)
Determining the rotation plan
43
Realtime heating power (P’)
![Page 44: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/44.jpg)
Determining the rotation plan
44
Heating gapRealtime heating
power (P’)
=
![Page 45: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/45.jpg)
Determining the rotation plan
45
Heating gapRealtime heating
power (P’)
=a knapsack problem
Optimization details => Paper
![Page 46: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/46.jpg)
46
Spoiler alert
![Page 47: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/47.jpg)
47
Spoiler alert
![Page 48: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/48.jpg)
Microwave accessories
Details => Paper 48
![Page 49: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/49.jpg)
49
patterned microwave susceptor
ensure coverage through SDC
![Page 50: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/50.jpg)
Evaluation
50
![Page 51: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/51.jpg)
Evaluation apparatus
thermal-chromatic
pigment + rice
reusable
turn pink if p > 31°C
51 The room temperature is at 20°C.
![Page 52: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/52.jpg)
52
Uniform heating
heat the rice in a plate uniformly to 60°C in 2 minutes.
Baselines: microwave oven w/o turntable
![Page 53: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/53.jpg)
Uniform Heating 53
time
hot spots
cold spots
![Page 54: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/54.jpg)
Uniform Heating 54
cold spots
![Page 55: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/55.jpg)
Uniform Heating 55
![Page 56: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/56.jpg)
Uniform Heating 56
Uniform heating
improve the thermal heating uniformity by 633%
compared to microwaves with a blind turntable.
More quantitative results => Paper
![Page 57: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/57.jpg)
Arbitrary Heating 57
50°C
500°C
with a microwave susceptor ring
Arbitrary heating
![Page 58: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/58.jpg)
58
App: Cooking bacon
![Page 59: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/59.jpg)
59
Heated meat and fat will shrink.
App: Cooking bacon
![Page 60: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/60.jpg)
More apps => Paper 60
App: Cooking bacon
![Page 61: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/61.jpg)
61
1. SDC cooking is slower.
2. Some heating patterns might be infeasible.
3. Not sure if it’s more delicious. :-)
Limitations
![Page 62: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/62.jpg)
1. 6 DoF turntable
2. Higher frequency microwave + beamforming
3. Replacing neon lights with rectifiers
62
Future work
![Page 63: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/63.jpg)
Software Defined Cooking using a microwave oven
Haojian Jin, Jingxian Wang, Swarun Kumar, Jason Hong, Carnegie Mellon University 63
![Page 64: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/64.jpg)
Why Microwave?
Radiation is most programmable because electromagnetic wave is reflective and stackable.
64
![Page 65: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/65.jpg)
Place thermal camera outside
1. limited resolution (both spatial and temporal)
2. only measure the effect of heating after-the-fact
65 Existing solutions
Why not thermal camera?
![Page 66: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/66.jpg)
Challenges: heat food blindly
Sensing
1. limited resolution (both spatial and temporal)
2. only measure the effect of heating after-the-fact
Actuation
3. blind rotation.
4. limited degree of freedom.
66
![Page 67: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/67.jpg)
Cooking is the application of heat to ingredients to
transform them via chemical and physical reactions
Jeff Potter. Cooking for Geeks: Real Science, Great Hacks, and Good Food.
that improve flavor, reduce chances of food borne illness, and increase nutritional value.
leave this space for professional chefs.
67
![Page 68: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/68.jpg)
knapsack problemStochastic
The heat pattern is non-static and unpredictable.
68
Many factors can impact heat patterns.
e.g., size, temperature, texture, material types
![Page 69: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/69.jpg)
Solving the Optimization (3)
A greedy approximation algorithm
At each step of the journey, heat at the rotation angle whose temperature gradient is most similar to the current heating gap.
Greedy strategy:
69
![Page 70: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/70.jpg)
Cooking is the application of heat to ingredients to
transform them via chemical and physical reactions
Jeff Potter. Cooking for Geeks: Real Science, Great Hacks, and Good Food.
that improve flavor, reduce chances of food borne illness, and increase nutritional value.
70
![Page 71: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/71.jpg)
Cooked = Temperature x Time
onsen tamago/hot spring eggs/63°C eggs
71
![Page 72: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/72.jpg)
Cooked = Temperature x Time
onsen tamago/hot spring eggs/63°C eggs
set the temperature to 145°F (63°C) and let the eggs cook for anywhere from 45-90 minutes.
Aki Kamozawa and Alex Talbot Ideas in Food: Great Recipes and Why They Work: A Cookbook 72
![Page 73: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/73.jpg)
The process of protein denature is a function of the temperature & time.
73
![Page 74: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/74.jpg)
Temperatures of common reactions in food
74
![Page 75: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/75.jpg)
A microwave oven converts a large electrical input (≈1000W) into microwave energy (2.45 GHz) and heats food using microwave radiation.
75
![Page 76: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/76.jpg)
dielectric heating
https://www.youtube.com/watch?v=kp33ZprO0Ck 76
![Page 77: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/77.jpg)
https://www.youtube.com/watch?v=kp33ZprO0Ck
standing wave 77
![Page 78: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/78.jpg)
3D standing wave
Unpredictable cold/hot spots Influenced by the content (shape, surface, temperature, etc.)
78
![Page 79: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/79.jpg)
Microwave is dangerous
sharp-edged metals (e.g., forks, most sensors, motors)
Microwave-safe plastic
Eggs
….
79
![Page 80: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/80.jpg)
80
![Page 81: Software Dei using a microwave oven - WiTech LabCooking is the application of heat to ingredients to transform them via chemical and physical reactions Jeff Potter. Cooking for Geeks:](https://reader034.vdocuments.site/reader034/viewer/2022042321/5f0b0ae37e708231d42e90eb/html5/thumbnails/81.jpg)
81