diff --git a/source/Lab_Report/Custom_Board/NewDPS_Verify.md b/source/Lab_Report/Custom_Board/NewDPS_Verify.md new file mode 100644 index 0000000..1375941 --- /dev/null +++ b/source/Lab_Report/Custom_Board/NewDPS_Verify.md @@ -0,0 +1,79 @@ +# 硬件验证测试报告 + +## 1. 测试概述 + +### 1.1 测试目的 + +验证自研DPS板卡功能及性能指标 + +### 1.2 测试对象 + +- **设备型号**: New_DPS +- **硬件版本**: N_JC025M005_A4 +- **固件版本**: ARM==20251024 +- **序列号**: NT25060801002 + +### 1.3 测试环境 + +- **测试平台**: Mars_2K +- **测试工具**: 示波器、八位半 +- **环境温度**: 24°C ± 2°C + +## 2. 测试项目与结果 + +### 2.1 电源测试 + +| 测试项目 | 实测结果 | +|---------|----------| +| 输入电压 | 20V-24V | +| -16VA纹波 | 9.6549W | +| -16VB纹波 | 15.631mV | +| -16VC纹波 | 17.470mV | +| GND噪声 | 16.781mV | + +### 2.2 功能测试 + +| 功能模块 | 测试方法 | 预期结果 | 实际结果 | +|----------|----------|----------|----------| +| ForceV | FVMV/FVMI @ 10Ω/Hi-Z All Channel | ForceV -15V~15V | [Note1](#custom-anchor1) | +| ForceI | FIMV @ 10Ω All Channel| ForceI according to range | [Note1](#custom-anchor1) | +| MeasureV | FVMV/FIMV @ 10Ω All Channel| | [Note2](#custom-anchor2) | +| MeasureI | FVMI @ 10Ω All Channel| | [Note2](#custom-anchor2) | +|ClampV| FIMV @ 10Ω All Channel|| Pass! | +|ClampI| FVMV/FVMI @ 10Ω All Channel| | Fail! [Note3] | + +## 3. 问题 + +### 3.1 发现的问题 + +1. Force存在±10mV抖动 + +2. 取得正确的测量结果的流程较为复杂,需: + 1. 在取得初始值前通过ATE_Debugger发送指令:newdpsfunc("newdpsinitvalue","enable"); + 2. 上位机连接获取初始值 + 3. 检查初始值无误后上传初始值至Zynq中 + 4. 通过ATE_Debugger发送指令:newdpsfunc("newdpsinitvalue","disable"); + 5. 执行测量 + +3. 在ClampI模式下(FVMV/FVMI),若Clamp值与Force值接近(如80mA档位Clamp60mA,Force70mA;2mA档位Clamp1mA,Force1.5mA)则Force输出与Sense管脚及对应信号链均会出现震荡,且在极端情况下震荡 ***可能不收敛*** + +![ClampI](../../_images/NewDPS/clamp_003.png) + +### 3.2 原因分析 + +1. 初步推测由地平面噪声引入,整板均存在,影响Force输出稳定性 +2. ADC计算公式不同,现通过固件进行区分修正,导致需额外指令切换计算公式,猜测固件通过映射初始值进行转换 +3. 由于Clamp经过采样电阻后作为反馈输入运放构成Clamp电压,但其反馈、试探过程时间较长且可能导致不收敛,在这过程中输出电压不受控 + +## 4. 测试结论 + +Force存在噪声影响稳定性,Measure欲获得正确回读值需发送指令,过程较为复杂,Clamp除短路时生效外基本无实用意义 + +--- + +## 附件: + +1. -16VA纹波 ![-16V_A](../../_images/NewDPS/15V0.png) +2. -16VB纹波 ![-16V_B](../../_images/NewDPS/15V1.png) +3. -16VC纹波 ![-16V_C](../../_images/NewDPS/15V2.png) +4. [ClampI波形(WFM格式)](../../_static/data/NewDPS/Waveform/ClampI.7z) \ No newline at end of file diff --git a/source/Lab_Report/Custom_Board/index.rst b/source/Lab_Report/Custom_Board/index.rst new file mode 100644 index 0000000..cf0e7f2 --- /dev/null +++ b/source/Lab_Report/Custom_Board/index.rst @@ -0,0 +1,10 @@ +############################## +自制板卡测试报告 +############################## + +.. toctree:: + :maxdepth: 1 + :caption: Contents: + :glob: + + * \ No newline at end of file diff --git a/source/Lab_Report/index.rst b/source/Lab_Report/index.rst index d1e08c3..3635c03 100644 --- a/source/Lab_Report/index.rst +++ b/source/Lab_Report/index.rst @@ -12,3 +12,4 @@ Hardware Verification Load_Verify/index Cal/index PPMU2.0/index + Custom_Board/index diff --git a/source/_images/NewDPS/15V0.png b/source/_images/NewDPS/15V0.png new file mode 100644 index 0000000..434115f Binary files /dev/null and b/source/_images/NewDPS/15V0.png differ diff --git a/source/_images/NewDPS/15V1.png b/source/_images/NewDPS/15V1.png new file mode 100644 index 0000000..ff3dfc8 Binary files /dev/null and b/source/_images/NewDPS/15V1.png differ diff --git a/source/_images/NewDPS/15V2.png b/source/_images/NewDPS/15V2.png new file mode 100644 index 0000000..37eaaf4 Binary files /dev/null and b/source/_images/NewDPS/15V2.png differ diff --git a/source/_images/NewDPS/GND0.png b/source/_images/NewDPS/GND0.png new file mode 100644 index 0000000..40454a2 Binary files /dev/null and b/source/_images/NewDPS/GND0.png differ diff --git a/source/_images/NewDPS/clamp_001.bmp b/source/_images/NewDPS/clamp_001.bmp new file mode 100644 index 0000000..989bfa9 Binary files /dev/null and b/source/_images/NewDPS/clamp_001.bmp differ diff --git a/source/_images/NewDPS/clamp_003.png b/source/_images/NewDPS/clamp_003.png new file mode 100644 index 0000000..fdd3af5 Binary files /dev/null and b/source/_images/NewDPS/clamp_003.png differ diff --git a/source/_static/data/NewDPS/Waveform/ClampI.7z b/source/_static/data/NewDPS/Waveform/ClampI.7z new file mode 100644 index 0000000..43ac500 Binary files /dev/null and b/source/_static/data/NewDPS/Waveform/ClampI.7z differ