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    {"id":"liudingchuan-graduate-project","kind":"project","category":"simulation-and-control","title":"Graduate_Project","authors":[],"org":"LiuDingchuan","year":null,"url":"https://github.com/LiuDingchuan/Graduate_Project","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Webots wheeled bipedal robot, model-based LQR","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"guide","activity":"dormant","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Webots 2020a, C++ with Eigen, MATLAB LQR; SolidWorks-based model","real":"No; author says simulation verifies the theory only"},"caveat":"Simulation only, Webots 2020a required, no licence and no real-robot test.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"5b99d091e282ccc0","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"jaykorea-isaac-rl-two-wheel-legged-bot","kind":"project","category":"simulation-and-control","title":"Isaac-RL-Two-wheel-Legged-Bot","authors":[],"org":"jaykorea","year":null,"url":"https://github.com/jaykorea/Isaac-RL-Two-wheel-Legged-Bot","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"MIT","class":"open","read":false,"note":"The map states 'MIT'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"claimed"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Popular Isaac Lab recipe.","assessment":{"built":"works","supply":"unknown","cost":"unknown","make":"unknown","docs":"guide","activity":"slow","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Isaac Lab, rsl_rl; Flamingo robot model","real":"Zero-shot transfer shown in media; no numbers"},"caveat":"Sim-to-real shown only as media; no quantitative results in README.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"f9f4dde19a551811","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"zhaozijie2022-locowheeledlegged","kind":"project","category":"simulation-and-control","title":"LocoWheeledLegged","authors":[],"org":"zhaozijie2022","year":null,"url":"https://github.com/zhaozijie2022/LocoWheeledLegged","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"process_groups":["print"],"evidence":{"class":"snippet-only","numbers":"claimed"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"RL wheeled-legged locomotion sim-to-real in Isaac","assessment":{"built":"works","supply":"specialty","cost":"unknown","make":"buy-and-assemble","docs":"guide","activity":"active","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Isaac Lab 2.2.1/Isaac Sim 5.1; Go2W model","real":"Real robot gifs for grass, stairs, stone, bridge; sim2real deploy code"},"caveat":"Unitree Go2W quadruped, not balancing wheel-leg; no licence; demos only, no numbers.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"044e59c0ba22b2af","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"stephane-caron-mpc-balancer","kind":"project","category":"simulation-and-control","title":"mpc_balancer","authors":[],"org":"stephane-caron","year":null,"url":"https://github.com/stephane-caron/mpc_balancer","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"Apache-2.0","class":"open","read":false,"note":"The map states 'Apache-2.0'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"MPC to balance Upkie wheeled bipeds","assessment":{"built":"replicated","supply":"specialty","cost":"unknown","make":"unknown","docs":"basic","activity":"slow","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"Upkie's Bullet-based sim plus real robot; MPC in Python with ProxQP","real":"Runs on real Upkie per install steps; no results shown"},"caveat":"Pinned to Upkie 8.0.0 software; README shows no results or numbers.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"d0f9ae2fc22cd817","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
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    {"id":"seungbinoh-pow-wbr-project","kind":"project","category":"simulation-and-control","title":"Pow_WBR_Project","authors":[],"org":"SeungbinOh","year":null,"url":"https://github.com/SeungbinOh/Pow_WBR_Project","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"C++ code for university capstone wheeled bipedal robot","assessment":{"built":"built","supply":"commodity","cost":"100to500","make":"buy-and-assemble","docs":"basic","activity":"slow","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"No simulation described; ESP32 C++ controller","real":"Hardware list implies real build; no results shown"},"caveat":"README is mostly AliExpress links; no performance data or photos in the README text.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"f451dc6e32fd77b7","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
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    {"id":"rkourdis-solo12-mujoco","kind":"project","category":"simulation-and-control","title":"solo12_mujoco","authors":[],"org":"rkourdis","year":null,"url":"https://github.com/rkourdis/solo12_mujoco","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["walking","motion-and-dynamics"],"domains":["legged"],"process_groups":["print"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Actuator-faithful Solo12 model.","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"dormant","role":"reference","cad":{"seen":"U"},"answers":{"engine":"MuJoCo; from robot_properties_solo URDF and SRDF","real":"unknown"},"caveat":"Quadruped; no validation against hardware stated.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"dbfe9e8f0e772f40","status":"catalogued","evidence_class":"snippet-only","placed":["walking","motion-and-dynamics"],"source_file":"research/references/projects-legged.yaml"},
    {"id":"limxdynamics-tron1-mujoco-sim","kind":"project","category":"simulation-and-control","title":"tron1-mujoco-sim","authors":[],"org":"limxdynamics","year":null,"url":"https://github.com/limxdynamics/tron1-mujoco-sim","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"Apache-2.0","class":"open","read":false,"note":"The map states 'Apache-2.0'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"MuJoCo sim for TRON1 point-foot, sole-foot, wheel-foot","assessment":{"built":"product","supply":"specialty","cost":"unknown","make":"buy-and-assemble","docs":"full","activity":"active","role":"reference","cad":{"seen":"U"},"answers":{"engine":"MuJoCo 3.x, MJCF from limx robot-description; PD at 1 ms","real":"Sim-to-sim then hardware; same limxsdk interface, no numbers shown"},"caveat":"Needs Python 3.8 limxsdk wheels; wheel-foot sim needs a real-time machine; bipedal, not five-bar.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"7744d6eb705db2b8","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"upkie-upkie-description","kind":"project","category":"simulation-and-control","title":"upkie_description","authors":[],"org":"upkie","year":null,"url":"https://github.com/upkie/upkie_description","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"Apache-2.0","class":"open","read":false,"note":"The map states 'Apache-2.0'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"process_groups":["print"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"URDF and Xacro descriptions for Upkie wheeled bipeds","assessment":{"built":"replicated","supply":"specialty","cost":"unknown","make":"print","docs":"guide","activity":"slow","role":"reference","cad":{"seen":"U"},"answers":{"engine":"URDF/Xacro for Pinocchio and others; derived from Upkie CAD and mjbots meshes","real":"Used with the real Upkie robot per linked project; no validation here"},"caveat":"Model is a wheeled biped with mjbots actuators, not five-bar legs; README states no numbers.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"951c1a7cdab8e467","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"ziyuliu66-wheel-legged-robot-matlab-simulation-collection","kind":"project","category":"simulation-and-control","title":"Wheel-legged MATLAB collection","authors":[],"org":"ziyuliu66","year":null,"url":"https://github.com/ziyuliu66/Wheel-legged-robot-MATLAB-simulation-collection","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Five-, two- and four-link models side by side.","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"slow","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"MATLAB 2022b or later; models by author","real":"unknown"},"caveat":"Author says two of the three projects contain clutter and are unmaintained.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"0f6081ed5762e2a3","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"jacklindun-wheel-legged-control","kind":"project","category":"simulation-and-control","title":"wheel-legged-control","authors":[],"org":"jacklindun","year":null,"url":"https://github.com/jacklindun/wheel-legged-control","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"MIT","class":"open","read":false,"note":"The map states 'MIT'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"ROS and MuJoCo wheel-legged simulation","assessment":{"built":"unknown","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"slow","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"MuJoCo via custom ROS2 node; wheelleg_robot.xml, origin not stated","real":"No; hardware launch partly unbuilt"},"caveat":"MuJoCo paths are hard-coded; several launch nodes are not built; no results.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"d53ae59a1af648e7","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"zyicome-wheel-legged-lab","kind":"project","category":"simulation-and-control","title":"Wheel-Legged-Lab","authors":[],"org":"zyicome","year":null,"url":"https://github.com/zyicome/Wheel-Legged-Lab","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"Apache-2.0","class":"open","read":false,"note":"The map states 'Apache-2.0'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"process_groups":["print"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Isaac Lab wheel-legged environment.","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"guide","activity":"active","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Isaac Lab, RSL-RL PPO; open-chain wheel-legged model by author","real":"No, README says real deployment not done"},"caveat":"Author states no real-robot deployment or sim-to-real validation yet.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"332c1a950e6ddc5b","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"jianboliao-wheel-legged","kind":"project","category":"simulation-and-control","title":"wheel_legged","authors":[],"org":"JianBoLiao","year":null,"url":"https://github.com/JianBoLiao/wheel_legged","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Webots wheel-foot simulation","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"dormant","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"Webots; model origin not stated","real":"No"},"caveat":"Ignores constraints (no OSQP), Webots only, and the README is a MPC tutorial.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"116e13acb4bcd2e4","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"albusgive-wheel-legged-genesis","kind":"project","category":"simulation-and-control","title":"wheel_legged_genesis","authors":[],"org":"Albusgive","year":null,"url":"https://github.com/Albusgive/wheel_legged_genesis","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"MIT","class":"open","read":false,"note":"The map states 'MIT'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Wheel-legged RL in Genesis.","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"guide","activity":"slow","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Genesis, rsl_rl; sim2sim in MuJoCo","real":"unknown"},"caveat":"No real-robot validation stated; Genesis install needs main branch.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"a2df5efaff85c0ef","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"silvery107-wheeled-bipedal-jumping","kind":"project","category":"simulation-and-control","title":"wheeled-bipedal-jumping","authors":[],"org":"silvery107","year":null,"url":"https://github.com/silvery107/wheeled-bipedal-jumping","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"AGPL-3.0","class":"share-alike","read":false,"note":"The map states 'AGPL-3.0'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"claimed"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Height control and torque planning for wheeled-bipedal jumping","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"dormant","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"Webots R2021a, Python; robot_specifications.txt, model origin not stated","real":"No; simulation video only"},"caveat":"Old (2021) Webots model, simulation video only; AGPL licence.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"a8c5ebe8ab9357d6","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"scutrobotlab-wheeled-legged-rl","kind":"project","category":"simulation-and-control","title":"wheeled-legged_RL","authors":[],"org":"scutrobotlab","year":null,"url":"https://github.com/scutrobotlab/wheeled-legged_RL","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"MIT","class":"open","read":false,"note":"The map states 'MIT'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Wheel-leg infantry RL training","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"guide","activity":"active","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Isaac Sim/Lab with RSL-RL; wheelbipe V14 model, origin not stated","real":"No; Sim2Real listed as a to-do"},"caveat":"Sim2Real deployment is still an unchecked roadmap item; tested on one RTX 5070 Ti.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"ea92719c904791c7","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"l-sy-wheeled-bipedal-lab","kind":"project","category":"simulation-and-control","title":"wheeled_bipedal_lab","authors":[],"org":"L-SY","year":null,"url":"https://github.com/L-SY/wheeled_bipedal_lab","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":"MIT","class":"open","read":false,"note":"The map states 'MIT'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"adapt-with-attribution"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Isaac Lab training for wheeled bipedal robot","assessment":{"built":"unknown","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"slow","role":"context","cad":{"seen":"U"},"answers":{"engine":"Isaac Lab template; no wheeled biped model described","real":"No"},"caveat":"README contradicts the note: it is a generic template with no wheeled-biped content.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"e1e4ec9d2a63c5e1","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"2757657887-wheelleg-rl-isaaclab","kind":"project","category":"simulation-and-control","title":"WheelLeg_RL_IsaacLab","authors":[],"org":"2757657887","year":null,"url":"https://github.com/2757657887/WheelLeg_RL_IsaacLab","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"process_groups":["print"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Five-bar wheel-foot RL in Isaac Lab","assessment":{"built":"unknown","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"active","role":"reference","cad":{"seen":"U"},"answers":{"engine":"Isaac Lab 4.5 Direct env, RSL-RL, USD robot model; origin of model not stated","real":"No; README shows no hardware"},"caveat":"Only a smoke test (1 env, 1 iteration) is reported; actuator warning shows 6 of 10 joints driven.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"f5714d1e4c4875d4","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"},
    {"id":"rengar-yang-wheelleggedrobotsimulation","kind":"project","category":"simulation-and-control","title":"WheelLeggedRobotSimulation","authors":[],"org":"Rengar-Yang","year":null,"url":"https://github.com/Rengar-Yang/WheelLeggedRobotSimulation","access":"free","terms":"cited and summarised, never copied","licence":{"spdx":null,"class":"unclear","read":false,"note":"The map states 'none stated'; the licence text was not read."},"reuse":{"text":"cite-only","geometry":"study-only"},"areas":["wheels-and-driving","motion-and-dynamics"],"domains":["wheel"],"evidence":{"class":"snippet-only","numbers":"none"},"confidence":{"level":"low","estimate":0.4,"sources":1},"summary":"Simulation model files.","assessment":{"built":"concept","supply":"unknown","cost":"unknown","make":"unknown","docs":"basic","activity":"slow","role":"lessons","cad":{"seen":"U"},"answers":{"engine":"MATLAB; model by author","real":"unknown"},"caveat":"Author calls structure rough and code may have problems; no hardware.","assessed":{"date":"2026-11-02","from":"readme"}},"used_for":[],"imported":"ff126b8c94e9fb0d","status":"catalogued","evidence_class":"snippet-only","placed":["wheels-and-driving","motion-and-dynamics"],"source_file":"research/references/projects-wheel.yaml"}
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