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| 型號： | EVAL-AD2S1200SDZ |
| 廠商： | Analog Devices Inc |
| 文件頁數(shù)： | 23/24頁 |
| 文件大?。?/td> | 0K |
| 描述： | BOARD EVAL FOR AD2S1200 |
| 標準包裝： | 1 |
| 主要目的： | 接口，旋轉(zhuǎn)變壓至數(shù)字 |
| 嵌入式： | 否 |
| 已用 IC / 零件： | AD2S1200 |
| 主要屬性： | 圖形用戶界面（GUI） |
| 已供物品： | 板，CD，電源 |
AD2S1200
Rev. 0 | Page 8 of 24
RESOLVER FORMAT SIGNALS
04406-0-003
Vr = Vp × Sin(t)
Vb = Vs × Sin(t) × Sin(θ)
(A) CLASSICAL RESOLVER
S1
S3
Va = Vs × Sin(t) × Cos(θ)
S2
S4
R1
R2
θ
Vr = Vp × Sin(t)
Vb = Vs × Sin(t) × Sin(θ)
(B) VARIABLE RELUCTANCE RESOLVER
S1
S3
Va = Vs × Sin(t) × Cos(θ)
S2
S4
R1
R2
θ
Figure 3. Classical Resolver vs. Variable Reluctance Resolver
A resolver is a rotating transformer typically with a primary
winding on the rotor and two secondary windings on the stator.
In the case of a variable reluctance resolver, there are no wind-
ings on the rotor as shown in Figure 3. The primary winding is
on the stator as well as the secondary windings, but the saliency
in the rotor design provides the sinusoidal variation in the
secondary coupling with the angular position. Either way, the
resolver output voltages (S3–S1, S2–S4) will have the same
equations as shown in Equation 1.
Amplitude
Excitation
Rotor
E
Frequency
Excitation
Rotor
t
Sin
Angle
Shaft
Cos
t
Sin
E
S
Sin
t
Sin
E
S
=
×
=
×
=
0
4
2
1
3
ω
θ
ω
θ
ω
Equation 1.
The stator windings are displaced mechanically by 90° (see
Figure 3). The primary winding is excited with an ac reference.
The amplitude of subsequent coupling onto the stator secon-
dary windings is a function of the position of the rotor (shaft)
relative to the stator. The resolver, therefore, produces two
output voltages (S3–S1, S2–S4) modulated by the SinE and
CoSinE of shaft angle. Resolver format signals refer to the
signals derived from the output of a resolver as shown in
Equation 1. Figure 4 illustrates the output format.
04406-0-004
0°
S2 TO S4
(Cos)
S3 TO S1
(Sin)
R2 TO R4
(REF)
90°
180°
θ
270°
360°
Figure 4. Electrical Resolver Representation
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參數(shù)描述 |
|---|---|
| EVAL-AD2S1205CBZ | 制造商:Analog Devices 功能描述:EVALUATION BOARD I.C. |
| EVAL-AD2S1205SDZ | 功能描述:BOARD EVAL FOR AD2S1205 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標準包裝:1 系列:- 主要目的:電信，線路接口單元（LIU） 嵌入式:- 已用 IC / 零件:IDT82V2081 主要屬性:T1/J1/E1 LIU 次要屬性:- 已供物品:板，電源，線纜，CD 其它名稱:82EBV2081 |
| EVAL-AD2S1210EDZ | 功能描述:BOARD EVAL AD2S1210 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:- 標準包裝:1 系列:PSoC® 主要目的:電源管理，熱管理 嵌入式:- 已用 IC / 零件:- 主要屬性:- 次要屬性:- 已供物品:板，CD，電源 |
| EVAL-AD4001FMCZ | 功能描述:EVAL BOARD FOR AD4001 制造商:analog devices inc. 系列:- 零件狀態(tài):在售 A/D 轉(zhuǎn)換器數(shù):1 位數(shù):16 采樣率（每秒）:2M 數(shù)據(jù)接口:SPI，DSP 輸入范圍:±VREF 不同條件下的功率（典型值）:20mW @ 2MSPS 使用的 IC/零件:AD4001 所含物品:板，電源 標準包裝:1 |
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