Specification of Timing Extension for Adaptive Platform, AUTOSAR R22-11, AP , No.968

Specification of Timing Extension for Adaptive Platform, AUTOSAR R22-11, AP , No.968

AUTOSAR Countdown Calendar 2022

2022/12/09日の投稿です。

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用語(terms)

Term	Definition/Meaning
ECU	Electronic Control Unit
I/O	Input/Output
SW-C	Software Component
TD	Timing Description
VFB	Virtual Functional Bus
Jitter	For a periodically occurring timing event, the jitter is defined as the maximum variation of its period with respect to a predefined standard period.
Latency	The latency of a timing event chain describes the time duration between the occurrence of the stimulus and the occurrence of the corresponding response.
Maximum interarrival time	Describes the maximum time interval between two consecutive event occurrences. In the more general case, this attribute is an array of the maximum latency between two, three, four, ... event occurrences.
Minimum interarrival time	Describes the minimum time interval between two consecutive event occurrences. In the more general case, this attribute is an array of the minimum latency between two, three, four, ... event occurrences.
Period	Describes the expected time interval between two consecutive event occurrences, neglecting variation (jitter).
Response	End point of an event chain.
Synchronization	Synchronization focuses on the occurrence of different timing events. Synchronization of timing events means that they shall occur simultaneously within a certain tolerance interval.
Stimulus	Start point of an event chain.
Timing analysis	Timing analysis is a method of determining the timing behavior of the system. This includes consideration of timing relevant system behavior like task preemptions, interrupt handling, resource blocking, etc.
Timing constraint	A timing constraint may have two different interpretation alternatives. On the one hand, it may define a restriction for the timing behavior of the system (e.g. minimum (maximum) latency bound for a certain event sequence). In this case, a timing constraint is a requirement which the system shall fulfill. On the other hand, a timing constraint may define a guarantee for the timing behavior of the system. In this case, the system developer guarantees that the system has a certain behavior with respect to timing (e.g. a timing event is guaranteed to occur periodically with a certain maximum variation).
Timing description	The timing description of a system, subsystem or software component consists of events and event chains. The former one describes events that can be observed and the latter one describe their causal relationship.
Timing event	A timing event is the abstract representation of a specific system behavior – that can be observed at runtime – in the AUTOSAR specification. Timing events are used to define the scope for timing constraints. Depending on the specific scope, the view on the system, and the level of abstraction different types of events are defined.
Timing event chain	A timing event chain describes the causal order for a set of functionally dependent timing events. Each event chain has a well defined stimulus and response, which describe its start and end point. Furthermore, it can be hierarchically decomposed into an arbitrary number of sub-chains, so called ”event chain segments”.
Timing event occurrence	A timing event is said to ”occur”, when a specific system behavior – represented by the timing event – can be observed.
Tming guarantee	see glossary entry for ”Timing constraint”.
Timing information	Superordinate concept for timing properties and timing constraints.
Timing path	A timing path defines a sequence of communication or computation activities of the system, whose timing behavior shall be examined. Timing paths can be expressed by event chains.
Timing property	A timing property defines the state or value of a timing relevant aispect within the system. Thus, a property does not represent a constraint for the system, but a somehow gathered (e.g. measured, estimated or determined) or defined attribute of the system.
Timing requirement	A timing requirement defines a restriction on timing that shall be fulfilled to ensure proper operation of the system. Timing requirements can be expressed by using timing constraints.
Timing validation	Timing validation compares the result of timing analysis (see glossary entry for timing analysis) with the expected behavior defined by timing constraints (see glossary entry for timing constraints)

英日

日本語は仮訳

no.	count	word	日本語
1	1649	the	その
2	1059	of	の
3	932	timing	時期
4	719	event	行事
5	556	a	ひとつの
6	418	in	中に
7	418	to	に
8	365	is	です
9	309	and	と
10	281	atp	Autonomous Transaction Processing(短縮名）
11	276	time	時間
12	271	for	にとって
13	270	this	これ
14	262	autosar	AUTomotive Open System Architecture(短縮名)
15	261	description	説明
16	258	service	奉仕
17	255	platform	土台
18	222	constraint	制約
19	212	events	行事
20	187	tps_timex_	tps_timex_
21	185	type	型
22	184	prototype	ひな形
23	161	adaptive	適応
24	161	specification	仕様
25	159	be	なれ
26	157	element	要素
27	153	extensions	拡張機能
28	148	an	一つの
29	144	note	覚書
30	142	tags	札
31	141	port	港
32	141	r	r
33	134	draft	下書き
34	130	data	与件
35	130	document	文そ
36	123	shall	しなければならない
37	119	occurrence	発生
38	119	that	それ
39	118	at	で
40	118	referrable	参照可能
41	116	ap	adaptive platform(短縮名)
42	115	extension	拡大
43	114	occurrences	出来事
44	114	td	Timing Description（短縮名）
45	111	are	それは
46	109	id	identifier, 識別子(短縮名）
47	108	autosar_tps_adaptive	autosar_tps_adaptive
48	108	point	点
49	107	class	級
50	105	component	成分
51	101	constr_	constr_
52	101	instance	実例
53	100	chain	鎖
54	100	used	使用済み
55	99	package	小包
56	97	by	に
57	97	or	または
58	96	constraints	制約
59	95	specifies	指定する
60	94	expression	表現
61	92	figure	形
62	91	table	表
63	90	system	系
64	87	ar	AUTOSAR（短縮名）
65	87	chains	鎖
66	85	attribute	属性
67	85	can	できる
68	85	on	の上
69	85	rs_timex_	rs_timex_
70	80	sw	software（短縮名）
71	78	response	応答
72	78	status	状態
73	77	aggr	aggregation(短縮名）
74	77	identifiable	識別可能
75	76	as	なので
76	76	pattern	類型
77	76	structure	構造
78	76	with	と
79	75	which	どの
80	74	m	m
81	74	ref	reference(短縮名）
82	74	templates	雛形
83	73	reference	参照
84	72	variable	変数
85	69	stimulus	刺激
86	67	enumeration	列挙
87	67	kind	親切
88	67	purpose	目的
89	64	base	基づく
90	63	between	の間に
91	63	common	一般
92	63	parameter	引数
93	62	given	既定の
94	62	object	物体
95	61	c	c
96	61	interval	間隔
97	60	mult	複数の（接頭辞）
98	60	multilanguage	多言語
99	60	only	それだけ
100	59	behavior	行動

参考(reference)

Glossary も　参考に入れましょう。
https://www.autosar.org/fileadmin/standards/foundation/22-11/AUTOSAR_TR_Glossary.pdf

[1] Requirements on Timing Extensions, AUTOSAR_RS_TimingExtensions
[2] Methodology for Adaptive Platform, AUTOSAR_TR_AdaptiveMethodology
[3] Virtual Functional Bus, AUTOSAR_EXP_VFB
[4] Standardization Template, AUTOSAR_TPS_StandardizationTemplate
[5] Generic Structure Template, AUTOSAR_TPS_GenericStructureTemplate

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Specification of Timing Extension for Adaptive Platform, No.968, AP , AUTOSAR R22-11 新

https://qiita.com/kaizen_nagoya/items/320177b7a2d9e2d605e2
＜この記事は個人の過去の経験に基づく個人の感想です。現在所属する組織、業務とは関係がありません。＞

文書履歴(document history)

ver. 0.01 初稿 20221209
ver. 0.02 URL追記　20221229
ver. 0.03 URL追記　20230210

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