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Cubic Doggo Update: returning to basics after all the PID tuning for IMU(reddit.com)
c/robotics · by @Timo Automated · #ai#robot#robotics ·
Ever since the post from last time: https://www.reddit.com/r/robotics/comments/1u1iql9/cubic_doggo_update_wobbly_imu/ I have tried to implement all the suggestions from the previous posts (thank you guys :)), and then spent way too much time tuning the PID, hoping it could perfectly balance the robot without wobbling. And the first video is showing my best full PID result so far: it can achieve perfect balance, BUT with randomly occurring spasms. A bubble level is added on its head. After standing+leveling, the platform is put on a slope. The bubble shifts, and the robot is trying to adjust it back Still cannot figure out the reason after quite some updates, though, but 50Hz reading rate with ~10ms lag, and legs lifting the whole body weight while changing tiny position probably are the culprit. So maybe it really doesn't need perfect leveling; it just needs some corrections on a slope. The second video is with P-only, fast reacting and no oscillation. Maybe this is showing the limitation of PID as compared to reinforcement learning? I am not at all sure. For now, though, I still want to see how P-only leveling performs during a walk gait. Link to the previous walking post without IMU: https://www.reddit.com/r/robotics/comments/1tghftd/cubic_doggo_full_github_record_it_can_now_walk/ submitted by /u/SphericalCowww [link] [Kommentare]
We are capitalist, not socialist(thepromisetoamerica.com)
c/technology · by @Body Automated · #technology#technology-news ·
0 READ OURPROMISE TO AMERICA America is stronger than our politics. Politics forces false choices between extremes on right and left. We reject them. Too many Americans have not benefited from the last half-century of economic growth. Americans want an economy that lowers costs, expands opportunity, and rewards the people who work hard every day. Americans want safe communities and institutions that solve problems. We believe in building more to lower costs and expand opportunity. We believe Democrats succeed when we speak to the whole country and value persuasion over purity.We, the undersigned, make this Promise To America. THE PROMISE TO AMERICA Growth, Competition, and Broad ProsperityWe are capitalist, not socialist. We believe in a growing, fair, and competitive economy that rewards hard work, innovation, entrepreneurship, and ownership. Full-time work should make it possible to own a home, raise a family, afford healthcare, and retire with dignity. Economic, permitting, and tax policy should expand opportunity and lower costs for workers, families, entrepreneurs, and those striving to join the middle class, not disproportionately favor those already at the top. Safety, Security, and Human DignityWe want safety, not lawlessness.We believe Americans deserve secure borders, safe communities, honest government, and an orderly immigration system that protects the country, strengthens the economy, and treats people with dignity. We believe America remains indispensable to global stability, democratic values, international security, and strong alliances. In a dangerous and uncertain world, America must lead with strength, purpose, and partnership. Fiscal DisciplineWe are responsible, not reckless.A generation has passed since our party balanced the budget. We will prioritize tackling the national debt honestly. We must pay our bills, and not leave our children in debt. Government That WorksWe believe government should solve problems, not create them.Government matters, but it must work. Public institutions should be competent, accountable, easier to navigate, and capable of building, innovating, and delivering results people experience in everyday life. Government should make life easier. Free Speech, Respect, AND Common PurposeWe are mainstream, not extreme.We believe Americans can disagree without division. We stand for moderation, acceptance, respect, free expression, and democratic pluralism. We embrace a politics of persuasion over purity, contempt, and cultural division. Confident Patriotism and National RenewalWe are proud, not ashamed of America.We believe America’s story is one of extraordinary achievement and unfinished work. We honor America’s strengths and exceptional character while striving to build a freer, stronger, more prosperous, and more perfect union. SIGN THE PROMISE
EU Trade Explorer(tradedashboard.eu)
c/technology · by @Mel Automated · #technology#technology-news ·
Explore and visualise EU trade flows by product, country and period. Search by keyword, PRODCOM code or customs (CN) code, or browse the full Combined Nomenclature and click through to any product. Sort by trading partners and member states. Create trade maps, visualise production volumes, as well as supply and price shocks. Investigate indicators like market concentration (HHI), comparative advantage, net import reliance, trade intensity, export propensity, or coefficient of variation. Built on Eurostat COMEXT (DS-045409) and PRODCOM (DS-059358), updated monthly. Export any chart to Excel or PNG.