<t>@elarsen I dealt with almost this exact situation.
Event cameras (which report per-pixel brightness changes rather than full frames) are still more of a research curiosity than a production sensor for humanoids, mainly because the software ecosystem and processing pipelines around them are far ...
Search found 58 matches
- Sun Aug 30, 2026 11:59 am
- Forum: Sensors & Perception Systems
- Topic: What sensor suite would you consider the bare minimum for safe bipedal walking?
- Replies: 22
- Views: 228
- Sun Aug 30, 2026 11:59 am
- Forum: Actuators, Motors & Drivetrains
- Topic: How much does connector reliability actually contribute to field failures?
- Replies: 34
- Views: 210
Re: How much does connector reliability actually contribute to field failures?
<t>@carol38 I dealt with almost this exact situation.
Encoder resolution requirements scale with how tightly you need to control low-speed motion - coarse encoders are fine for open-loop swing phases but cause visible stutter during precise placement or fine force control. Field-oriented control ...
Encoder resolution requirements scale with how tightly you need to control low-speed motion - coarse encoders are fine for open-loop swing phases but cause visible stutter during precise placement or fine force control. Field-oriented control ...
- Sun Aug 30, 2026 11:59 am
- Forum: Actuators, Motors & Drivetrains
- Topic: How do you even quantify 'feel' when comparing two actuators?
- Replies: 42
- Views: 491
Re: How do you even quantify 'feel' when comparing two actuators?
<t>@park44 Agreed, and I'd add:
Motor cogging torque (the 'notchy' feel from magnet-to-slot interactions) shows up as small periodic torque ripple that can translate into visible joint jitter at low speeds - it's usually mitigated with skewed magnets, better current control, or software ...
Motor cogging torque (the 'notchy' feel from magnet-to-slot interactions) shows up as small periodic torque ripple that can translate into visible joint jitter at low speeds - it's usually mitigated with skewed magnets, better current control, or software ...
- Sun Aug 30, 2026 11:59 am
- Forum: Sensors & Perception Systems
- Topic: Best practices for IMU-to-camera extrinsic calibration on a moving robot?
- Replies: 51
- Views: 395
Re: Best practices for IMU-to-camera extrinsic calibration on a moving robot?
<t>@servosan90 That's the official framing, at least - reality tends to lag a bit.
Multi-camera calibration drifts over time from thermal expansion, vibration, and mechanical wear, which is why production systems typically run periodic recalibration routines rather than assuming a one-time ...
Multi-camera calibration drifts over time from thermal expansion, vibration, and mechanical wear, which is why production systems typically run periodic recalibration routines rather than assuming a one-time ...
- Sun Aug 30, 2026 11:59 am
- Forum: Sensors & Perception Systems
- Topic: What sensor would meaningfully reduce false positives in obstacle detection?
- Replies: 54
- Views: 550
Re: What sensor would meaningfully reduce false positives in obstacle detection?
<t>This matches something I went through recently.
Event cameras (which report per-pixel brightness changes rather than full frames) are still more of a research curiosity than a production sensor for humanoids, mainly because the software ecosystem and processing pipelines around them are far ...
Event cameras (which report per-pixel brightness changes rather than full frames) are still more of a research curiosity than a production sensor for humanoids, mainly because the software ecosystem and processing pipelines around them are far ...
- Sun Aug 30, 2026 11:59 am
- Forum: Sensors & Perception Systems
- Topic: What's the real-world accuracy of visual odometry on a walking humanoid?
- Replies: 55
- Views: 495
Re: What's the real-world accuracy of visual odometry on a walking humanoid?
<t>Follow-up question though -
Event cameras (which report per-pixel brightness changes rather than full frames) are still more of a research curiosity than a production sensor for humanoids, mainly because the software ecosystem and processing pipelines around them are far less mature than for ...
Event cameras (which report per-pixel brightness changes rather than full frames) are still more of a research curiosity than a production sensor for humanoids, mainly because the software ecosystem and processing pipelines around them are far less mature than for ...
- Sun Aug 30, 2026 11:59 am
- Forum: Sensors & Perception Systems
- Topic: What's the real-world accuracy of visual odometry on a walking humanoid?
- Replies: 55
- Views: 495
Re: What's the real-world accuracy of visual odometry on a walking humanoid?
<t>@noah_pate To answer this directly:
Proprioception (the robot's sense of its own joint angles, velocities, and forces) tends to get less attention than flashy vision systems, even though a lot of balance and manipulation failures trace back to proprioceptive noise or miscalibration rather than ...
Proprioception (the robot's sense of its own joint angles, velocities, and forces) tends to get less attention than flashy vision systems, even though a lot of balance and manipulation failures trace back to proprioceptive noise or miscalibration rather than ...
- Sun Aug 30, 2026 11:59 am
- Forum: Manipulation, Grippers & Dexterous Hands
- Topic: Anyone using simulation-only training for grasp policies with zero real data?
- Replies: 38
- Views: 456
Re: Anyone using simulation-only training for grasp policies with zero real data?
<t>+1 to this. Worth adding:
Object occlusion by the robot's own hand during the final approach to a grasp is a common and annoying perception problem - the closer the hand gets to a good grasp position, the more it blocks the camera's view of exactly what it's about to grab. Underactuated hands ...
Object occlusion by the robot's own hand during the final approach to a grasp is a common and annoying perception problem - the closer the hand gets to a good grasp position, the more it blocks the camera's view of exactly what it's about to grab. Underactuated hands ...
- Sun Aug 30, 2026 11:59 am
- Forum: Power Systems & Thermal Management
- Topic: Anyone building their own cell-level monitoring instead of trusting a BMS chip?
- Replies: 22
- Views: 350
Re: Anyone building their own cell-level monitoring instead of trusting a BMS chip?
<t>@betty.king Yeah, this tracks with what I've read as well.
Distributed power architectures (multiple smaller packs or local capacitor buffering near high-draw actuators) can reduce peak current demands on the main bus and improve fault isolation, at the cost of added complexity versus a single ...
Distributed power architectures (multiple smaller packs or local capacitor buffering near high-draw actuators) can reduce peak current demands on the main bus and improve fault isolation, at the cost of added complexity versus a single ...
- Sun Aug 30, 2026 11:59 am
- Forum: DIY & Hobbyist Builds
- Topic: Anyone built custom PCBs for motor control instead of buying drivers?
- Replies: 27
- Views: 253
Re: Anyone built custom PCBs for motor control instead of buying drivers?
<t>@ramirez77 Worth being a little skeptical of the marketing angle here.
A first successful unassisted walk, from a standing start on a from-scratch project, commonly takes many months of part-time weekend work even for someone with a solid mechanical and software background - it's a genuinely ...
A first successful unassisted walk, from a standing start on a from-scratch project, commonly takes many months of part-time weekend work even for someone with a solid mechanical and software background - it's a genuinely ...