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Electric Mobility > Electric Mobility > Flashcards

Electric Mobility Flashcards

1
Q

CV Standard Battery System dimension

A

960 x 687 x 302 mm

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2
Q

CV Standard Battery System weight

A

295 kg/pack

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3
Q

CV Standard Battery System energy content

A

35 kWh

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4
Q

CV Standard Battery System voltage range

A

280 - 400V (350 nominal)

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5
Q

Cell type

A

Prismatic NMC

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6
Q

Vehicle Interface Box weight

A

42 kg

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7
Q

Vehicle Interface Box Supply Voltage

A

12/24V

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8
Q

Vehicle Interface Box System Voltage

A

400-800V

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9
Q

Life Cycle Process steps

Innovation + market and competition - p - c - draft - market e - customer c - customer s - longlife s

A

Innovation + market and competition - prepare - concept - draft - market entry - customer contact - customer satisfaction - longlife study

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10
Q

PDCA

A

plan - do - check - act

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11
Q

Kano Model obj

A

analyzing customer requirements

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12
Q

Kano Model axes

A

customer satisfaction and degree of fulfilment

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13
Q

Kano model lines
features that delight

A

upgrade

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14
Q

Kano model lines
performance characteristics

A

punctuality

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15
Q

Kano model lines
fundamental requirements

A

safety

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16
Q

Kano model - min range

A

60

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17
Q

kano model - min charging

A

8 hours

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18
Q

Elements of the Overall Concept
c - p - w - s - d t - p- r - p - r - m

A

costs - package - weight - safety - development time - performance - reusability - producibility - recycling - maintainability

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19
Q

Product Specification (PS) - by

A

customer

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20
Q

customer’s fundamental and material technical requirements of the
product under development
____ Specification

A

product

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21
Q

System Specification (SS) - to

A

supplier

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22
Q

functional specification for cross-component systems. Can be a bridge between the requirements of the product and the requirements of the components. It is an internal document.
____ Specification

A

system

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23
Q

functional specification for in-house and third party developments. It is an
interdisciplinary document which includes the technical and non-technical requirements for all relevant subprojects of the components under development.

___ Specification

A

component

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24
Q

Functional specification iterative agreement

customer s re - f s (supplier) - n p (agreed specification) - implementation - verification of the results - approval of the customer

A

customer specify requirements - functional specification (supplier) - negotiate proposals (agreed specification) - implementation - verification of the results - approval of the customer

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25
Q

Contactor-fuse pairing (target) - to ensure safe disconnection of the HV battery

A

fuse opens before the contactor

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26
Q

Fundamental functional representation
- _ sample aim

A

A

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27
Q

Functional sample, conditionally driveable with limitations
* Voltage range, dimension, vibration/impact
resistance and appearance
X sample description

A

A

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28
Q

Design focus on functional or
geometric/haptic issues
_ sample hardware

A

A

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29
Q

Executable on a-sample hardware, includes at least the basic functionalities
_ sample software

A

A

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30
Q

Functional validation on a broad basis under
driving conditions
_ sample aim

A

B

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31
Q

Sufficient operational reliability of hardware and software for initial testing on the test bench and in vehicle, construction does not ensure production standard in all points

_ sample description

A

B

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32
Q

suitable for use in vehicle

_ sample hardware

A

B

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33
Q

All key functions done

_ sample software

A

B

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34
Q

Production-quality overall testing
_ sample aim

A

C

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35
Q

B sample

A

prototype

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36
Q

C samples

A

series

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37
Q

D sample

A

documentation and full speed

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38
Q

Structural shape and specification correspond to series production requirements, no technical limitations approved, unrestricted use in vehicle ensured

_ sample description

A

C

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39
Q

No changes to design-relevant components

_ sample hardware

A

C

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40
Q

Functions done and their overall scope
fully specified but can still exhibit errors (not suitable for customers). No further inclusion of additional functions. Production-quality status.

_ sample software

A

C

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41
Q

Ensure production needs are
met

_ sample aim

A

D

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42
Q

Samples for first article
inspection must be marked

_ sample hardware

A

D

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42
Q

Operational without restrictions (production standard)

_ sample description

…. and can be evaluated. All quality requirements are consistently assured.

A

D

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43
Q

All functions verified error-free

_ sample software

A

D

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44
Q

Design-to-cost levels (0-5 + R)
I, E, E, C, Pre-r f, I, R

A

Idea, Estimated, Evaluated, Confirmed, Pre-requisites fulfilled, Implemented, Rejected

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45
Q

Design-to-cost can be used for quotes to customer

A

L3 - confirmed

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46
Q

Design-to-cost visible in BOM

A

L5 - Implemented

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47
Q

BOM

A

Bill of Material

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48
Q

PDP

A

Product Development Process

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49
Q

PDP - milestone trails

H - S - Q - T - L - P p - P - P - F

A

HW - SW - Quality - Testing - Logistics - Production planning - Prototyping - Purchasing - Finance

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50
Q

PT

A

Production trials

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51
Q

…is intended to rapidly and successfully integrate product changes (as many as necessary & as few as possible) into development and the production process without delay, thereby contributing to reducing time and costs

A

Change management

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52
Q

The freeze divides the respective sample phases into 1. “Development” and 2. “Procurement, Construction & Testing”.
During the construction of a sample (x) the next sample (y) is being developed in parallel!

A

Normal process

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53
Q

Once the respective sample has been frozen changes become subject to approval and must be released . change management is always necessary here! For each change following a freeze the corresponding
sample phase starts again
➢Development changes can be done only in A- and BSample phase. C and D-Sample is only for optimization of series production process

A

process with product changes

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54
Q

The person responsible for components is responsible for the development of a
component in terms of engineering, costs and meeting deadlines. He is responsible
for fulfilling the requirements of the component specification and the time schedule, as central documents.

A

Person Responsible for Components

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55
Q

PRC

A

Person Responsible for Components

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56
Q

defines the interface between customer and supplier during the development process and it describes the transition between requirements and the result (product).

A

V model

57
Q

V-A Cycle calibration reason every 6 months

A

summer and winter

58
Q

Functional Safety Volumes 1 - 10

1 - Glossary, 2 - Management of Functional Safety, 3 - C Phase, 4 - S Development, 5 - H Development, 6 - S Development, 7 - Production and Operations, 8 - Supporting Processes, 9 - Security Analyses and Overlapping Issues, 10 - Guideline

A

3 - Concept Phase, 4 - System Development, 5 - Hardware Development, 6 - Software Development

59
Q

ASIL

A

Automotive Safety Integrity Level

60
Q

ASIL Levels

A

Severity, Exposure, Controllability

61
Q

ASIL E4

A

High probability

62
Q

ASIL C1

A

Easy to control

63
Q

ASIL S3

A

Fatal Injuries

64
Q

ASIL D

A

Overcharging

65
Q

Exterior light, Seat heater - ASIL

A

B

66
Q

Vehicle dynamics control, HV-Contactor control - ASIL

A

C

67
Q

ASIL Electric steering lock, Over Voltage protection

A

D

68
Q

Window lifters, Sliding roof - ASIL

A

A

69
Q

Interior light, Exterior mirror (elec. adjst.) - ASIL

A

QM

70
Q

ASIL - most expensive

A

D

71
Q
  • Ensuring the completeness and correctness of the specification
  • Ensuring that the requirements are implemented
A

Verification

72
Q

Methods of verification

A

Review, analyses, simulation, testing

73
Q

Verification steps

A

Test planning, test specification, test performance, test documentation, test evaluation

74
Q

3 levels of product safety

A

active, passive, cell

75
Q
  • No safety hazard caused by
  • Simple improper use
  • Unintended misuse
  • No flying parts
  • No explosion
  • No fire
A

product safety objectives

76
Q

Cooling
Interlock
Autom.
shut off
Error memory monitors
temperature, cell voltage,
insulation resistance

A

active safety

77
Q

Sealing
Insulation
Fire protection
Fuse
Stable housing
IT network

A

passive safety

78
Q

Deformation
Shock
Vibration
Short circuit
Deep discharge
Over charging

A

cell safety

79
Q
  • Short circuit → no fire, no leakage
  • Crush test → no fire, no leakage
  • Shock → no fire, no leakage
  • Thermal propagation → no propagation
A

safety testing on battery level

80
Q
  • Over charging → no fire
  • Direct exposure to flame → no fire for minimum 60 s
A

Safety testing at cell level

81
Q

Battery = IT net (“Isolé Terre”), Fuse, Relay, Insulation monitoring, Interlock, IPxxB protection

A

Battery electrical safety

82
Q

Bettery Thermal Safety

A

Avoid propagation

83
Q

Types of Tests for HV Batteries

A

Type and individual testing

84
Q

Determination of the characteristics of a
specific battery type

A

type characterization

85
Q

Check whether specific battery type
fulfils the requirements in the
specification

A

validation

86
Q

Check whether specific battery type fulfils the applicable regulations for placing it into circulation

A

certification

87
Q

Information on the characteristics of all batteries of a certain type

A

type testing

88
Q

Determination of the characteristics of a specific battery

A

(interim) diagnosis

89
Q

Check whether a specific battery fulfils all of the relevant requirements for delivery to customers

A

End-of-line testing

90
Q

No destruction of battery (product will be sold afterwards)
Information on the characteristics of one specific battery

A

individual testing

91
Q

__ models are needed to…
▪ … quantify the microstructure of material samples
▪ … compare different (e.g. new and aged) scenarios
▪ … generate input for electrochemical simulations in 3D

A

stochastic

92
Q

Patent ___
Publish, to hinder third parties from asserting proprietary rights
*State-of-the-art is achieved through national application
* The public perceives the number of initial applications as a measure of a company’s innovative strength
Safeguard all technologically relevant R&D results
Verifiably publish, to hinder third parties from asserting proprietary rights

  • National application is sufficient
  • Low external costs (approx. €2,000/invention)
    Safeguard all technologically relevant R&D results
A

Freedom to operate

93
Q

Patent ___
Published to earn money
* Worldwide protection and corresponding supplier contracts are necessary
* Preparedness to enforce rights vis-à-vis competitors and suppliers is necessary
Assuring technological and innovation leadership

  • High quality
  • Transnational protection is necessary
  • High costs (over €50,000/invention)
    Prohibiting or licensing of technologies
A

Exclusiveness

94
Q

Shorter development times
Structured development process
Integration of lessons learned
Trouble-free production start-ups
Exoneration in product liability cases
Delivery reliability

A

FMEA Benefits and Aims

95
Q

___ FMEA (product)
Aim:
Measures to ensure requirements are met

A

Design

96
Q

____ FMEA (production)
Aim:
Measures to assure the processes
how to produce the battery

A

Process

97
Q

____ FMEA (cross effects)
Aim:
Measures to safeguard the cross effects between the product and the process
put together design and process

A

System

98
Q

5 steps FMEA

A

Structure Analysis
Functional Analysis
Failure Analysis
Measurement Analysis
Optimization

99
Q

Occurrence high - FMEA

A

10

100
Q

Occurrence improbable - FMEA

A

1

101
Q

Detection impossible - FMEA

A

10

102
Q

Very High Detection - FMEa

A

1

103
Q

Significance Dangerous without early warning - FMEA

A

10

104
Q

Significance Inconsequential - FMEA

A

1

105
Q

RPN =

A

S * O * D

106
Q

If the RPN > __, measures for reducing the RPN are necessary

A

125

107
Q

FMEA categories

A

Significance, Occurence, Detection

108
Q

OEE availability

A

(𝑎𝑣𝑎𝑖𝑙𝑎𝑏𝑙𝑒 𝑡𝑖𝑚𝑒 − 𝑑𝑜𝑤𝑛𝑡𝑖𝑚𝑒) / 𝑎𝑣𝑎𝑖𝑙𝑎𝑏le 𝑡𝑖𝑚𝑒

109
Q

OEE performance rate

A

(𝑟𝑢𝑛𝑛𝑖𝑛𝑔 𝑡𝑖𝑚𝑒 − 𝑝𝑒𝑟𝑓𝑜𝑟𝑚𝑎𝑛𝑐𝑒 𝑙𝑜𝑠𝑠) / 𝑟𝑢𝑛𝑛𝑖𝑛𝑔 𝑡𝑖𝑚𝑒

110
Q

OEE quality

A

(𝑝𝑟𝑜𝑑𝑢𝑐𝑡𝑖𝑣𝑒 𝑡𝑖𝑚𝑒 − 𝑞𝑢𝑎𝑙𝑖𝑡𝑦 𝑙𝑜𝑠𝑠 𝑡𝑖𝑚𝑒) / 𝑝𝑟𝑜𝑑𝑢𝑐𝑡𝑖𝑣𝑒 𝑡𝑖𝑚𝑒

111
Q

OEE

A

availability * performance rate * quality

112
Q

takt time

A

Total available working time / customer demand

113
Q

𝑚𝑎𝑥. Cycle time

A

Target takt time * OEE

114
Q

Production perfomance parameters - 6 partners

A

Mind Power, Machine, Material, Method, Management, Medium

115
Q

Types of manufacturing organization - prototypes

A

manual

116
Q

Types of manufacturing organization - series

A

hybrid

117
Q

Types of manufacturing organization - mass

A

flow lines

118
Q

Types of manufacturing organization

A

Workshop, group, flow lines, construction site

119
Q

Types of manufacturing organization - Sorted by same processes

A

workshop production

120
Q

Types of manufacturing organization - Sorted by neccessary production steps for one good

A

group production

121
Q

Types of manufacturing organization - Setting up the machines according to the work sequence of a workpiece group

A

flow lines

122
Q

Types of manufacturing organization - Stationary workpiece until it is completed

A

construction site production

123
Q

A person who is neither a qualified electrician nor a person trained in electrical engineering is a layman in electrical engineering. A qualified electrician is only considered to be such a person in the trained field, in all other fields he/she is also considered to be a layman in electrical engineering. [DIN VDE 1000-10]

A

Electrotechnical layman

124
Q

A person trained in electrical engineering is a person who has been instructed by a qualified electrician about the tasks assigned to him/her and possible dangers in the event of improper behavior and, if necessary, has been trained and instructed about the necessary protective equipment and protective measures.

A

Electrotechnically instructed person

125
Q

a person with appropriate professional training, knowledge and experience, so that he or she can recognize and avoid dangers that can be caused by electricity

A

qualified electrician

126
Q

For the professional management of an electrotechnical company or part of a company, a responsible qualified electrician is required. This is a qualified electrician who assumes the technical and supervisory responsibility and who has been hired for this purpose by the entrepreneur. Unless special legal regulations apply, the skilled electrician responsible for compliance with the electrotechnical safety specifications may not be subject to any instructions regarding compliance with these specifications from persons who are not considered to be the responsible skilled electricians according to this standard.

A

responsible electrician

127
Q

7 x waste

A

overproduction, inventory, waiting, motion, transportation, reworks, over processing

128
Q

Unnecessary movement of people, parts,
machines within a process

A

motion

129
Q

unnecessary movement of people or
parts between processes

A

transportation

130
Q

A process is a sequence of activities that converts

A

inputs into results

131
Q

… and 6 process analysis issues in addition:
▪ Input? (What goes into the process?)
▪ Output? (Process monitoring)
▪ With what? (Equipment, facilities)
▪ With whom? (Person responsible, people involved, capabilities/knowledge)
▪ What? (Performance indicators, key figures)
▪ How is it implemented? (Process, instructions, methods)

A

Turtle diagram

132
Q

Process aproach - turtle diagram

A

input, with what, how, with whom, what, output

133
Q

FMEA

A

medium time

134
Q

kano

A

early time

135
Q

brainstorming

A

early time

136
Q

voice of customer

A

early time

137
Q

design for six sigma

A

early and medium time

138
Q

six sigma

A

late time

139
Q

statistical methods

A

late time

140
Q

PDCA

A

plan-do-check-act

141
Q

built team - describe problem - develop and implement immediate measure - perform root cause analysis - develop sustainable corrective measures - introduce corrective measures - verify effectiveness - anchor lessons learned

A

8D-report

Electric Mobility (1 decks)

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