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Merge pull request #26 from kmgovind/master
Added solar rover specs
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docs/px4_robots/solar_rover_setup.md

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# Solar Rover Setup
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## Solar rover & components imporant to the Solar Panels
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## Solar rover & components
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The Solar-Rover
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![](./images/Rover_Front.png)
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**Solar Rover**
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Topside view
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![](./images/Rover_Front.png)
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![](./images/Rover_Topside.png)
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Components:
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**Components:**
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12V Battery with an XT60 connection
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**12V Battery with an XT60 connection**
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![](./images/Battery.png)
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Solar Panels
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**Solar Panels**
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![](./images/SolarPanels.png)
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MPPT
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**MPPT**
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![](./images/MPPT.png)
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## Solar panel specifications
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Voltage: 18v
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Watts: 9w
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Current: 0.5 amps
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## Current solar panel configuration
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**Distinction between parallel and series connections (solar panels):**
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- **Series connection:** Increases the voltage.
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- For the rover, this was unnecessary since the battery operates at 12V and each solar panel also has a 12V rating.
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- For the rover, this was unnecessary since the battery operates at 12V and each solar panel operates at a voltage raving above 12v.
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- **Parallel connection:** Increases the current.
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- Since the battery’s voltage requirement is already satisfied, the panels must be connected in parallel to provide the necessary current.
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To power the rover’s electronics, especially the motors, all solar panels are wired in **parallel**.
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**Simplified solar-rover wiring diagram:**
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**Simplified solar rover wiring diagram:**
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![](./images/Rover_Wiring_Diagram.png)
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## Turning on the Solar-Rover
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## Solar rover dimensions & max speed
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Length: 16 inch
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Width: 8.5 inch
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height: 4.5 inch
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Max speed: 1 m/s
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## Solar panel configuration specifications
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Total surface area: 0.549918 m^2
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Idle current yeild: 4.5 amps
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## Solar rover energy specfications
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Total energy capacity: 207,792 J
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Idle discharge: approximately **0.50 A**
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Moving discharge: **2 A**
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## Turning on the solar rover
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**Warning:**
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The battery must be connected to the MPPT *before* the solar panels, otherwise the MPPT could be damaged.
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2. Connect the solar panels to the MPPT using the XT60 connectors. *(Optional, only if you want to use the panels.)*
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3. Connect the load (the rover) to the MPPT via the XT60 connector.
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4. Press the right arrow button on the MPPT to activate discharging/charging.
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- The MPPT will display the current drawn from the battery and the current generated by the panels.
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- Idle discharge is approximately **0.50 A**.
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- While moving at ~1 m/s (on a box), the discharge is approximately **2 A**.
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- The MPPT will display the current drawn from the battery and the current generated by the panels.
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5. Once completed, you should see these icons on the MPPT:
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- ![](./images/MPPT.png)
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## Connect to the solar-rover
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## Connect to the solar rover
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Info:
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The solar-rover already has all of the necessary repositories already therefore you will only need to clone groundstation_cps_solar repo on your laptop.
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Info: The solar-rover already has all of the necessary repositories already therefore you will only need to clone groundstation_cps_solar repo on your laptop.
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1. Clone the groundsation_cps_solar repository.
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